Tell If Engagement Ring Is Lab-Grown or Natural

Buyer Decision Snapshot

Best fit	Tell If Engagement Ring Is Lab-Grown or Natural decisions where beauty, comfort, documentation, service terms, and long-term wear need to be checked together.
Compare first	Stone shape, cut quality, setting height, metal tone, certification, return window, shipping insurance, resizing support, and care requirements.
Ask the jeweler	Request grading details, real hand photos or video, prong or setting notes, care guidance, delivery timing, and after-sale service coverage.
Main tradeoff	The most impressive photo is not always the easiest ring or jewelry piece to wear, insure, resize, or pair with daily styling.

Fast answer: Tell If Engagement Ring Is Lab-Grown or Natural: Shape, Setting Height, Comfort, and Care is a buyer decision, not just a style choice. Shortlist pieces by real-light appearance, comfort, documentation, budget fit, and service terms.

Inspection points before purchase

Check the grading report, measurements, setting profile, metal color, return terms, warranty, and delivery timing. Two lab-grown diamond pieces with similar photos can feel very different once cut, spread, setting height, and daily-wear comfort are compared side by side.

Questions that prevent regret

Ask whether the piece can be resized, how it should be cleaned, what is covered after delivery, and whether the photos show the actual stone or a representative sample. Clear answers protect the purchase after the excitement of the design wears off.

The diamond industry has shifted dramatically over the past decade. More couples want transparency about their purchases, especially when spending thousands of dollars on a symbol of commitment. Understanding Your Diamond's origin has become essential knowledge for anyone investing in fine jewelry.

Last spring, a nervous groom-to-be sat in our showroom, his grandmother's engagement ring in his palm. He was getting married in three weeks and desperately needed to know if the stone was natural or lab grown—he was about to propose with a family heirloom and wanted to understand exactly what he was passing forward. That question, asked with such genuine care, captures why this knowledge matters so deeply.

at StoneBridge Jewelry, we've helped thousands of couples navigate this exact question. After working with so many engaged couples, you start to notice patterns in what people are actually worried about. The answer isn't always straightforward, but with the right knowledge, you can confidently determine your ring's origin.

Why Knowing the Difference Between Lab Grown and Natural Diamonds Matters

More couples are asking about Lab Grown Diamond engagement rings, and the reasons go far beyond curiosity.

What drives this interest? Financial considerations play a significant role. Lab Grown Diamonds typically cost 30-50% less than their natural counterparts of equivalent quality. A 1.5ct E-VS1 round brilliant cut in 14K white gold might retail for $3,200-$4,800 if lab grown, compared to $8,500-$14,000 for a natural stone of equivalent grade. Understanding which type you own affects insurance valuations, resale potential, and long-term investment strategy. We regularly hear from customers who inherited a family ring and need to determine its value for estate planning.

Are ethical concerns on your radar? Natural diamonds have complex supply chains that trace back through multiple intermediaries, while lab grown options offer complete traceability from growth chamber to final setting. Couples increasingly want to know exactly where their stones come from and under what conditions they were created.

Here's what nobody tells you: the Lab Grown Diamond market is growing 20-30% annually. Explosive growth means more people own or encounter these stones. The demand for identification knowledge has never been higher.

The emotional significance matters too. When someone receives an engagement ring in a classic six-prong platinum setting, they deserve to understand every detail about that piece of jewelry. The origin story becomes part of the ring's meaning.

Understanding the Science: How Lab Grown and Natural Diamonds Are Formed

Natural diamonds formed over one to three billion years ago, deep within Earth's mantle. Extreme pressure exceeding 50,000 atmospheres and temperatures above 2,000 degrees Fahrenheit created the conditions necessary for carbon atoms to crystallize into diamond structure. Volcanic activity eventually brought these stones closer to the surface, where mining operations could retrieve them.

The Lab Grown Diamond creation process replicates these conditions artificially. Two primary methods dominate modern production.

High Pressure High Temperature (HPHT) mimics natural formation using massive cubic presses that generate enormous pressure. Carbon sources are placed in growth chambers that experience conditions resembling those deep underground. This method often produces diamonds with characteristics similar to natural Type Ia stones containing nitrogen aggregates.

Chemical Vapor Deposition (CVD) involves placing diamond seeds in sealed chambers filled with hydrogen and methane gas. The gas heats to approximately 800-900 degrees Celsius while pressure remains relatively low. Carbon atoms separate from the gas mixture and deposit onto the seeds layer by layer. This process allows more controlled growth and produces gems with exceptional Type IIa clarity, meaning minimal nitrogen or boron impurities.

Both methods create stones with identical chemical composition to natural diamonds. Carbon atoms arrange in the same crystal structure, producing the same hardness of 10 on the Mohs scale and identical optical properties. GIA research confirms Lab Grown Diamonds rank 10 on the Mohs scale, just like mined stones.

The atomic-level similarity makes visual identification nearly impossible without specialized equipment and training—which is why you can't just look at a stone and know for sure.

Understanding how are Lab Grown Diamonds made helps explain why identification requires more than casual observation. The technology has advanced significantly, creating gems that rival natural diamonds in every measurable way except origin.

Visual and Physical Indicators: How to Tell If Engagement Ring Is Lab Grown or Natural

Examining your ring closely reveals potential indicators of origin. Several physical characteristics distinguish lab grown from natural stones, though none provide absolute certainty without professional verification.

The Loupe Examination Method

What can magnification reveal? A jeweler's loupe provides 10x magnification that reveals inclusion patterns typical of each diamond type. Natural diamonds often contain mineral inclusions such as crystalline garnet, diopside, or olivine, along with crystalline structures or feather-like fractures formed during their billions of years underground. These imperfections serve as natural birthmarks.

Lab Grown Diamonds grown under controlled conditions frequently display fewer visible inclusions. Many appear almost flawlessly clean under magnification, which paradoxically becomes a clue to their origin. A 1ct D-FL round brilliant from a laboratory setting will typically show minimal inclusions, while a natural stone of equivalent carat weight often contains SI1 or VS2 clarity characteristics. The HPHT process may show metallic inclusions from manufacturing equipment appearing as dark spots under magnification, while CVD stones often exhibit distinctive growth patterns including color zoning visible under certain lighting conditions.

Never assume a flawless appearance indicates lab grown origin. Natural diamonds of exceptional quality do exist, and a pristine stone doesn't automatically mean synthetic. Visual inspection provides supporting evidence rather than definitive proof.

Professional gemologists combine loupe examination with extensive experience. At StoneBridge, our team has examined thousands of diamonds and can often identify characteristics suggesting origin, but we always recommend certification for certainty. I've been fooled before, and I won't pretend otherwise.

Reading Diamond Inscriptions

Modern grading laboratories laser-inscribe registration numbers on diamond girdles. These thin bands encircle the stone's perimeter. These micro-inscriptions, visible under magnification, provide direct verification of certification status.

What do these inscriptions actually say? GIA and IGI inscriptions include registration numbers that correspond to official grading reports. Lab Grown Diamonds typically carry "LG" designations or explicit mentions on their certificates. A GIA-inscribed lab grown diamond might read "GIA 2205123456 LG," while an IGI report would include similar designation protocols. Checking these inscriptions represents one of the simplest identification methods available to consumers.

To read your diamond's inscription, hold it under good lighting and use a 10x loupe. Rotate the stone slowly, examining the girdle surface. Numbers typically appear in a single line, often requiring precise positioning to read clearly.

Once you locate numbers, verify them through the issuing laboratory's online database. GIA's Report Check service allows you to enter numbers and confirm the stone's characteristics match documentation. This step confirms authenticity and provides origin details.

The presence of inscriptions doesn't guarantee natural origin. Lab grown stones carry their own identification. However, inscription absence on certified diamonds warrants further investigation.

A bride recently told me she nearly said no to her ring—not because of the diamond itself, but because she felt something was "off" when her fiancé couldn't answer basic questions about where it came from. When we verified the stone's origin together, she finally felt the confidence to say yes. That moment reminded me that knowledge isn't just about facts—it's about trust.

Certification and Documentation: Your Diamond's Birth Certificate

Diamond certification provides authoritative identification through independent gemological assessment. Understanding these documents helps you verify origin with confidence.

Leading Certification Laboratories

GIA (Gemological Institute of America) sets the global standard for diamond grading. Their reports provide comprehensive analysis including the 4Cs, proportions, finish characteristics, and origin identification. GIA began distinguishing Lab Grown Diamonds in reports starting in 2020, clearly indicating origin with specific language including "Laboratory-Grown" designation.

IGI (International Gemological Institute) offers detailed grading services and has been particularly proactive in documenting Lab Grown Diamonds. Their reports explicitly state whether stones are natural or laboratory-created, providing detailed growth method information for HPHT and CVD stones.

GCAL (Gem Certification & Assurance Lab) provides specialized verification services including optical brilliance assessment and 360-degree light reflection analysis. Their documentation clearly categorizes diamond origin and includes unique optical property measurements that supplement traditional grading.

Certificates from these respected laboratories provide the most reliable identification available.

When asking how to tell if Engagement Ring is Lab grown or natural, certification examination should be your first step. Always verify report numbers independently rather than accepting photocopies or photos alone.

What to Request When Purchasing

Before completing any diamond purchase, request documentation confirming origin. Essential paperwork includes:

Original grading report from GIA, IGI, or GCAL
Proof of origin statement from the seller
Documentation of any treatments or enhancements
Registration verification through issuing laboratory

When purchasing from StoneBridge Jewelry, we provide complete documentation for every stone. Our team walks customers through certification details, explaining exactly how to interpret each section including the grading scale for color (D-Z), clarity (FL to I3), and carat weight measurements.

A couple came to us devastated after purchasing their engagement ring elsewhere. They loved the ring but had no certificate, no inscription, and the jeweler had since closed. They were left wondering if they'd paid for a natural stone and received something else entirely. We tested their diamond, explained the results, and gave them peace of mind—but their story haunts me. That uncertainty could have been avoided with proper documentation from the start.

Questions to ask jewelers include:

Can I verify this certificate number online through the grading laboratory?
Does the report explicitly state natural or laboratory-created?
What laboratory conducted the grading and when was the report issued?
Are there any treatments not disclosed on the certificate?

Red flags include reluctance to provide documentation, pressure to rush the transaction, or inconsistency between stone characteristics and stated grades. A 2ct E-VS1 diamond should not be priced at $1,500 regardless of origin. Reputable jewelers welcome verification and provide transparent information.

Professional Testing Methods: What Gemologists Use to Determine Origin

Beyond visual examination, gemologists employ specialized equipment and techniques for definitive identification. These methods go beyond what consumers can access at home.

Advanced Testing Equipment

Diamond testing devices measure electrical and thermal conductivity properties. Traditional testers distinguish diamonds from simulants like cubic zirconia or glass, but they cannot differentiate lab grown from natural stones. Both types share identical conductivity characteristics. Instruments like the GIA's iD100 gem identification device provide more sophisticated analysis.

UV fluorescence testing examines how stones respond to ultraviolet light. Natural diamonds often exhibit blue fluorescence under UV exposure, while Lab Grown Diamonds may show different patterns including green, yellow, or no fluorescence. However, this serves as supporting evidence rather than definitive identification, as significant variation exists within both categories. A natural diamond showing no fluorescence remains equally valid as one with strong blue reaction.

Phosphorescence testing detects afterglow following UV exposure. HPHT Lab Grown Diamonds may display distinctive orange or green phosphorescence that natural stones rarely show. This characteristic provides additional evidence when combined with other factors including UV reaction patterns and inclusion characteristics.

Advanced spectroscopic analysis examines trace elements and growth patterns invisible through standard examination. Fourier-transform infrared spectroscopy (FTIR) identifies nitrogen content and platelet structures, while photoluminescence spectroscopy detects unique growth markers in lab grown stones. These laboratory techniques reveal subtle differences in crystal structure that definitively indicate origin.

When to Consult Certified Gemologists

Certain situations warrant professional gemological testing:

Inherited jewelry with unknown origin in vintage three-stone settings
Purchases from unverified sources or online marketplaces
Insurance documentation requirements for 950 platinum mountings
Resale planning with significant value implications

Certified gemologists (GIA Graduate Gemologist credentials, for example) have completed rigorous training and have access to professional-grade testing equipment. Their services typically cost $75-250 depending on complexity and required analysis, providing certainty that justifies the investment.

At StoneBridge Jewelry, our gemologists provide complimentary preliminary assessments with purchase. We also offer independent verification services for those with existing pieces. We believe accurate information empowers better decisions.

At-Home vs Professional Testing

Consumer-grade testing tools have limitations. Diamond testers from jewelry stores provide basic differentiation from common simulants, but they cannot distinguish lab grown from natural stones. Moissanite, increasingly popular as a diamond alternative, requires different testing methods entirely due to its different thermal conductivity. This is another reason professional verification proves valuable.

Professional gemological testing provides conclusive identification through equipment unavailable to consumers. If origin certainty matters for your situation, consulting an expert delivers the definitive answer you need.

Lab Grown vs Natural Diamonds: Value, Quality, and Long-Term Considerations

Understanding differences in value and quality helps contextualize identification's importance.

Pricing trends in 2026 show continued divergence between the two categories. Natural diamond prices have remained relatively stable, while lab grown options have decreased in cost as production technology improves. A one-carat natural diamond in a classic solitaire might cost $5,000-8,000 depending on color and clarity grades, while an equivalent lab grown stone in a cathedral setting could sell for $2,500-4,000. Larger stones show greater price differentials—a 3ct natural round brilliant in 14K yellow gold might retail for $25,000-40,000, while the lab grown equivalent could be $8,000-15,000.

Resale considerations differ significantly. Natural diamonds generally retain 50-70% of original retail value at resale, though exact rates vary based on market conditions and specific stones. Lab Grown Diamonds have experienced faster price depreciation, often retaining only 20-40% of original purchase price. This doesn't make them inferior purchases—it simply reflects different market dynamics and the maturing technology of laboratory production.

Quality comparisons reveal identical physical characteristics. Both types rank 10 on the Mohs hardness scale, both offer exceptional brilliance, and both can be cut into the same beautiful shapes including round brilliant, cushion, oval, and princess cuts. A lab grown 1.5ct Princess Cut Diamond in a pavé halo setting will display the same fire and scintillation as a natural stone of identical proportions. The best diamond shapes for engagement rings apply equally to both categories.

Ethical diamond jewelry considerations influence many buyers. Lab grown options eliminate concerns about conflict regions and mining conditions, providing a clear conscience that many couples value. Natural diamond producers have made significant improvements in ethical sourcing, with many mines following strict environmental and labor standards including the Responsible Jewellery Council certification.

Sustainability-focused buyers often prefer lab grown stones for their lower environmental impact. Natural diamond mining does affect ecosystems, though modern operations increasingly implement sustainable practices. A life cycle assessment comparing the two options considers land use, water consumption, and carbon emissions throughout the production chain.

One couple I remember vividly came in with a $4,000 budget and a clear priority: they wanted the largest, most impressive stone possible because the groom-to-be had saved for two years to afford this moment. They chose a stunning 2.2ct Lab Grown Diamond in a breathtaking halo setting. When he proposed at their favorite overlook at sunset, she said yes before he finished speaking. That ring created exactly the moment they'd dreamed of—no regrets, no compromise on the proposal story. Budget isn't just numbers; it's the foundation of memories.

Common Mistakes to Avoid When Identifying Diamond Origin

Several misconceptions lead to incorrect assumptions about diamond origin.

Price alone never indicates origin. A $3,000 ring might contain a natural SI1-clarity stone or a lab grown VVS1-clarity diamond of larger carat weight. Extremely discounted diamonds might be lab grown, natural stones with undisclosed treatments, or outright fakes. Exceptional deals require verification before assumption.

Flawless diamonds aren't automatically lab grown. While many synthetic stones exhibit exceptional clarity, natural diamonds with VVS1, VVS2, or IF grades exist. A 1.2ct D-FL round brilliant from a natural source represents one of the rarest gems on Earth. Apparent perfection requires context through certification.

Documentation omissions cause problems. Assuming diamonds come with paperwork without verifying creates risk. Always request and confirm certification. Some sellers claim certificates are "being processed" or were "lost" – these delays should raise immediate concerns.

Retailer reputation matters enormously. Established jewelers like StoneBridge Jewelry have established relationships with certified suppliers and stand behind their merchandise. Unverified sources carry higher risk of misrepresentation, whether intentional or due to inadequate expertise.

We once had a customer come in heartbroken three days before her wedding. Her fiancé had ordered a ring from an online retailer, and when it arrived, it was two full sizes too small. There was no time for proper resizing with the intricate pave band, and she spent her wedding week feeling self-conscious about the ring that kept sliding off her finger. That wasn't about lab grown versus natural—it was about the chaos of rushing and skipping proper sizing consultations. But it taught us that details matter as much as the diamond itself.

Avoiding these mistakes prevents common identification errors that could lead to uninformed purchases or incorrect assumptions about existing jewelry.

How to Care for Your Lab Grown or Natural Diamond Engagement Ring

Proper maintenance preserves beauty regardless of origin. These rings—whether featuring lab created stones or mined diamonds—deserve consistent care.

Daily care involves removing rings during activities that risk damage. Chlorine from swimming pools, harsh chemicals from cleaning products, and physical impacts affect both diamond types equally. Apply perfumes and lotions before wearing jewelry, allowing products to dry completely. Remove rings when applying sunscreen or engaging in manual activities.

Cleaning frequency depends on lifestyle. Buildup from daily wear dulls brilliance over time. Clean your ring weekly using warm water, mild dish soap, and a soft brush. An ultrasonic cleaner safe for lab-grown diamonds works well for both types when stones have no fractures or inclusions that might trap cleaning solution. Steam cleaners provide professional-grade results at home for solid mountings without delicate gemstones. Professional cleaning every six months removes accumulated residue and restores maximum sparkle.

Professional maintenance extends beyond cleaning. During professional cleaning, jewelers inspect prongs and settings for wear, ensuring stones remain secure. For cathedral settings with pave bands, specialists check that small accent stones remain tight. At StoneBridge, we provide complimentary cleaning and inspection for all purchases.

Insurance considerations protect your investment. Document your ring thoroughly with photographs, certification, and appraisal. Update coverage as values change, and store documentation safely. Many homeowners policies have limited jewelry coverage of $1,000-2,500. Separate rider policies often prove worthwhile for significant pieces, with appraisals required every 2-3 years to reflect current market values.

Wedding bands with Lab Grown Diamonds and natural stone rings require identical care approaches. The diamonds themselves respond similarly to maintenance practices regardless of origin. Whether your 14K rose gold solitaire or 950 platinum three-stone setting holds a lab grown or natural stone, consistent care preserves both beauty and value.

Years ago, a woman brought in her mother's ring for cleaning—the same ring she'd worn every day for forty-seven years. The diamond had become loose in its setting, and she hadn't noticed. When we tightened it, cleaned it, and returned it looking nearly new, she sat in our showroom and cried. That ring had been there for her parents' wedding, her own proposal, her daughter's birth, every anniversary. It carried decades of moments. Proper care isn't vanity—it's honoring the stories your ring will hold.

Making Your Decision: Choosing the Right Diamond for Your Marriage Band

Whether you prefer lab grown or natural diamonds, selecting the right stone requires balancing multiple factors.

Budget alignment matters significantly. A $5,000 budget might secure a 1.8ct F-VS2 lab grown diamond in an elaborate halo setting, while a natural stone of equivalent quality would be closer to 1ct. Some couples prefer maximizing carat weight in their 14K white gold solitaire. Others prioritize exceptional quality in smaller stones with superior color grades.

Personal values influence decisions. Ethical considerations matter to many buyers, and lab grown stones offer complete origin traceability. Other couples appreciate natural diamonds' geological history and the romance of stones formed over billions of years. Honestly, there's no wrong choice here—only what feels right for you.

Matching bands require consideration when building complete bridal sets. Some couples choose matching wedding bands with lab grown diamond accents to complement their engagement rings. Others prefer mixed approaches combining different stone origins. A classic plain 950 platinum band complements both lab grown and natural center stones equally well.

Trends in 2026 show growing interest in colored lab grown diamonds. Pink, blue, and yellow fancy-colored stones have become increasingly popular, offering unique expressions of personal style. Lab grown pink diamonds in 1-2ct sizes retail for $3,000-8,000, while natural pink diamonds of equivalent size would cost $50,000-200,000. Natural colored diamonds remain rare and expensive, making lab grown alternatives attractive for colorful preferences.

Lifestyle factors influence shape selection. Active individuals might prefer lower-set designs that resist snagging, such as bezel settings or cathedral mountings. Those who prioritize maximum brilliance might choose brilliant-cut rounds or princess cuts in six-prong settings. Best diamond shapes for engagement rings depend on daily activities and personal priorities.

Celebrity Inspiration and Style Trends

Celebrity lab grown engagement rings have generated significant consumer interest. High-profile announcements featuring synthetic stones have normalized these options for mainstream buyers.

Popular celebrity choices include classic solitaire designs in 14K or 18K gold settings and vintage-inspired settings with intricate milgrain details. Many stars opt for unique Lab Grown Diamond Rings that reflect personal style rather than following trends. This approach creates timeless pieces that endure beyond momentary fads.

When incorporating trends, prioritize designs that match your aesthetic. Classic settings maintain appeal across decades, while trendy elements can feel dated quickly. A timeless pavé band in platinum will always complement both lab grown and natural center stones. At StoneBridge, our design team helps balance current styles with timeless appeal.

Customization options abound for those seeking distinctive pieces. We offer try our ring builder to explore configurations that match your vision perfectly. Engraving and unique settings create one-of-a-kind rings with personalized touches.

Key Takeaways

Understanding how to tell if engagement ring is lab grown or natural empowers you to make confident decisions about fine jewelry. While visual examination and inscriptions provide helpful clues, certification and professional verification deliver the certainty that matters most.

Whether you choose lab grown or natural diamonds, both options create beautiful, meaningful engagement rings. The right choice aligns with your values, budget, and preferences.

Need guidance selecting the perfect ring? Our jewelry experts at StoneBridge are here to help. Contact our team for personalized recommendations, or schedule a consultation to explore options that match your vision. Browse our collection of engagement rings or explore our diamond selection to see available options.

Understanding your ring's origin becomes part of its story. Make sure that story includes accurate information.

How to Tell If Engagement Ring Is Lab Grown or Natural: decision table

Decision area	Best fit	What to verify	Risk if skipped
Setting design	Comfort, security, and everyday wear	Profile height, prongs, band width, and matching band fit	The ring photographs well but catches or feels awkward
Stone choice	Shape, spread, brightness, and budget	Measurements, cut quality, ratio, and certification	A larger number does not translate into a better look
Metal choice	Durability, color, maintenance, and skin sensitivity	Gold karat, platinum, rhodium, nickel concerns, and resize policy	The metal choice creates care or comfort issues later

Frequently Asked Questions

Can a jeweler tell if a diamond is lab grown or natural without certification?

While experienced jewelers can observe certain visual characteristics suggesting lab grown origin—like unusual clarity for the carat weight or distinctive growth patterns visible under magnification—definitive identification typically requires professional gemological testing and proper certification documentation. Most reputable jewelers will not state origin definitively without supporting documentation from an accredited laboratory like GIA or IGI.

Is it possible to convert a lab grown diamond to natural through any process?

No laboratory or treatment process can convert a lab grown diamond to a natural one. The growth process determines origin permanently, and advanced testing methods including spectroscopy can always distinguish between the two categories based on growth markers and trace element profiles. This permanence makes proper certification from initial purchase essential for accurate documentation.

Do lab grown diamonds have the same physical properties as natural diamonds?

Lab grown diamonds share identical chemical composition, crystal structure, and physical properties with natural diamonds. Both types rank 10 on the Mohs hardness scale and exhibit the same optical characteristics including brilliance and fire. A 1ct round brilliant lab grown diamond measures the same proportions as a natural 1ct round brilliant with equivalent cut quality. This atomic-level similarity is precisely why specialized gemological testing is required to distinguish them, rather than simple visual inspection.

What's the most reliable way to identify a Lab Grown vs Natural diamond at home?

Checking the diamond's girdle inscription provides the most accessible home verification method. Look for the laser-inscribed registration number using a 10x loupe. Cross-reference this number with the issuing laboratory's online database—GIA's Report Check at reportcheck.gia.edu is free and instantaneous. If no inscription exists on a diamond that should have one, or if the stone came without a certificate, professional gemological testing becomes necessary.

Are Lab Grown Diamond Engagement Rings a good choice for Sustainable Engagement Rings?

Lab grown diamonds generally have a lower environmental footprint than mined diamonds. They require less land disruption and use controlled manufacturing processes. The sustainability comparison does depend on energy sources used during production. Many manufacturers now use renewable energy, making these stones an excellent choice for couples prioritizing environmental responsibility. Natural diamond mining has also improved significantly, with many operations following strict environmental protocols including land rehabilitation requirements and water management systems.

Tell If Engagement Ring Is Lab-Grown or Natural: Shape, Setting Height, Comfort, and Care