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LAB CREATED MARQUISE ENGAGEMENT RINGS

10% OFF
Hidden Halo
Seraphina Three Stone Hidden Halo Lab Diamond Engagement RingSeraphina Three Stone Hidden Halo Lab Diamond Engagement Ring
She Knows Exactly The Ring She Wants. Do You?
Get her the ring of her dreams by
answering these 6 questions.
Flat lay showcasing custom engagement ring design sketches, a purple colored pencil, ring settings, and loose lab-grown diamonds.
She Knows Exactly The Ring She Wants. Do You?

Get her the ring of her dreams by answering these 6 questions.

Customer Reviews

Kylie B.

United State

I cannot believe the size of the diamond for the price

I cannot believe the size of the diamond for the p ...Read More

Alexis L.

United State

I would definitely recommend La Joya

I would definitely recommend La Joya

Janelle G.

United State

Very very pretty

Very very pretty

Sydney A.

United State

I am never going back to natural diamonds

I am never going back to natural diamonds

Teri E.

United State

I think the sparkle is just incredible

I think the sparkle is just incredible

Miranda G.

United State

I am just absolutely obseesed

I am just absolutely obseesed

Close up of a brilliant round-cut loose lab-grown diamond sparkling under direct light.

The Jeweler to the Jewelers

For years, we supplied diamonds to the world’s most prestigious brands. Now, we are opening the vault directly to you. By removing the middleman, we guarantee a bigger, brighter diamond at the true insider price. And because we are the source, we offer unmatched protection: we maintain your jewelry for free, and if it’s ever lost, we replace it.

Best Price Guarantee

Lifetime Warranty

Lost Jewelry Replacement

A purple line-art icon of a hand holding a coin with a dollar sign, representing La Joya's best price guarantee.

Best Price
Guarantee

A purple line-art icon of a person's silhouette integrated with an infinity symbol, representing La Joya's lifetime warranty.

Lifetime
Warranty

A purple line-art icon of a diamond ring featuring a question mark in the center of the stone, representing La Joya's lost jewelry replacement program.

Lost Jewelry
Replacement

Heirloom Quality. Radical Honesty

We believe you shouldn’t have to choose between your values and your dream ring. La Joya was born to disrupt the industry with a simple promise: luxury without compromise. We combine world-class design with 100% conflict-free, responsibly sourced diamonds. We refuse to cut corners on sourcing, sparkle, or service—so you never have to.

100% Conflict-Free

IGI Certified

Free Shipping & Returns

A purple line-art icon of a globe topped with a small leaf, representing La Joya's commitment to 100% conflict-free lab-grown diamonds.

100%
Conflict-Free

A purple line-art icon of a shield containing a checkmark, representing La Joya's IGI certified lab-grown diamonds.

IGI
Certified

A purple line-art icon of an open shipping box, representing La Joya's free shipping and returns policy for lab-grown diamond jewelry.

Free Shipping
& Returns

Close up of a brilliant round-cut loose lab-grown diamond sparkling under direct light.

The Jeweler to the Jewelers

For years, we supplied diamonds to the world’s most prestigious brands. Now, we are opening the vault directly to you. By removing the middleman, we guarantee a bigger, brighter diamond at the true insider price. And because we are the source, we offer unmatched protection: we maintain your jewelry for free, and if it’s ever lost, we replace it.

A purple line-art icon of a hand holding a coin with a dollar sign, representing La Joya's best price guarantee.

Best Price Guarantee

A purple line-art icon of a person's silhouette integrated with an infinity symbol, representing La Joya's lifetime warranty.

Lifetime Warranty

A purple line-art icon of a diamond ring featuring a question mark in the center of the stone, representing La Joya's lost jewelry replacement program.

Lost Jewelry Replacement

Heirloom Quality. Radical Honesty

We believe you shouldn’t have to choose between your values and your dream ring. La Joya was born to disrupt the industry with a simple promise: luxury without compromise. We combine world-class design with 100% conflict-free, responsibly sourced diamonds. We refuse to cut corners on sourcing, sparkle, or service—so you never have to.

A purple line-art icon of a globe topped with a small leaf, representing La Joya's commitment to 100% conflict-free lab-grown diamonds.

100% Conflict-Free

A purple line-art icon of a shield containing a checkmark, representing La Joya's IGI certified lab-grown diamonds.

IGI Certified

A purple line-art icon of an open shipping box, representing La Joya's free shipping and returns policy for lab-grown diamond jewelry.

Free Shipping & Returns

Why Choose Lab-Grown Diamonds?

Lab-grown diamonds offer the same brilliance and beauty as natural diamonds, but without the steep price or environmental cost. They’re physically, chemically, and optically identical to mined stones. Choose lab-created diamond jewelry for a smarter, more ethical way to shine. Luxury is now more accessible than ever before.

Guilt-Free Sparkle

Lab diamond jewelry delivers dazzling brilliance without the guilt. These diamonds are created in controlled environments that avoid harmful mining practices. That means no environmental destruction and no ties to conflict. Feel good about what you wear. Every sparkle tells a story of sustainability and conscious luxury that lasts forever.

Ethical & Sustainable

Lab-created diamonds are an eco-friendly alternative that supports human rights and minimizes environmental impact. No land is displaced, no ecosystems are harmed, and no conflict is funded. It’s a win for the planet and a statement of integrity. Choose sustainability with every ring, necklace, and bracelet from La Joya Jewelry.

Exceptional Quality

At La Joya, every lab-grown diamond is carefully selected for its exceptional sparkle, clarity, and cut. Our lab-created engagement rings and jewelry rival the finest natural diamonds, offering heirloom-level beauty at a fraction of the price. You’ll enjoy unmatched brilliance and timeless elegance that’s made to last a lifetime.

Affordable but Luxurious

Get more sparkle for your budget with La Joya’s lab diamond jewelry. Lab-grown diamonds cost up to 80% less than mined stones, giving you room to choose larger, more stunning pieces. Indulge in luxurious designs, without sacrificing quality or ethics. High-end style and smart savings come together beautifully.

How to Choose the Right Lab-Grown Jewelry: A Buyer’s Guide

Buying jewelry should feel exciting, not overwhelming. Whether you’re looking for lab-grown diamond earrings, a stunning engagement ring, or a timeless necklace, this guide will help you shop smart. Learn how to set your budget, evaluate diamond quality, choose settings and metals, and enjoy luxurious yet affordable diamond jewelry.

Setting Your Budget

Start by determining what you’re comfortable spending. Lab diamond jewelry gives you the look of luxury at a fraction of the cost of mined diamonds, so your money goes further. Prioritize features that matter most to you, whether it’s a larger stone, designer setting, or a matching diamond bracelet

Understanding the 4 C’s: Cut, Color, Clarity, and Carat

The 4 C’s define a diamond’s value. Cut affects sparkle, color impacts purity, clarity shows flawlessness, and carat measures size. La Joya’s lab-created diamonds are expertly graded, giving you the best of all four at a better value. Knowing what matters to you helps you choose the perfect diamond.

Selecting Your Diamond Jewelry Setting Type

Your setting style affects both look and wearability. Solitaire, halo, pavé, and three-stone settings each offer a unique aesthetic. Choose based on personal taste and lifestyle. Lab-created diamond rings from La Joya come in every setting imaginable, ensuring your jewelry feels just as good as it looks

Picking the Metal Type

Gold comes in several shades: white, yellow, and rose, while platinum adds durability. Each offers a different mood. White gold is sleek and modern, yellow gold feels classic, and rose gold is romantic. La Joya’s lab diamond jewelry is available in every metal, letting you match your perfect tone.

Choosing Your Jewelry Stones

Lab-grown diamonds offer unmatched brilliance, but you can also explore additional gems for added personality. Heart-shaped, pear, oval, and marquise cuts all bring unique flair. At La Joya, our stones are conflict-free, ethically sourced, and visually stunning, giving you guilt-free options that look and feel just right.

Choosing Your Jewelry Size

Fit is everything. Whether you’re buying a ring, bracelet, or necklace, size matters for comfort and confidence. Use La Joya’s ring size guide or contact our team for help. A well-fitting piece of lab diamond jewelry ensures long-term wearability and elevates the look of your favorite statement piece.

Financing and Purchasing

La Joya offers easy financing with Buy Now, Pay Later options that make luxury affordable. Enjoy free shipping, free returns, and our lowest price guarantee. With secure payments and expert customer support, shopping for lab-created diamond jewelry has never been easier. Treat yourself without stretching your budget.

Enjoy the Beauty!!

Once you’ve chosen your dream piece, it’s time to shine. Every La Joya design is made to impress, with sustainable sparkle and unbeatable value. Whether it’s a gift, a proposal, or a self-love purchase, your lab-grown diamond jewelry will be a lasting symbol of style, elegance, and smart choices.

Setting Your Budget
Start by determining what you’re comfortable spending. Lab diamond jewelry gives you the look of luxury at a fraction of the cost of mined diamonds, so your money goes further. Prioritize features that matter most to you, whether it’s a larger stone, designer setting, or a matching diamond bracelet.
Understanding the 4 C’s: Cut, Color, Clarity, and Carat
The 4 C’s define a diamond’s value. Cut affects sparkle, color impacts purity, clarity shows flawlessness, and carat measures size. La Joya’s lab-created diamonds are expertly graded, giving you the best of all four at a better value. Knowing what matters to you helps you choose the perfect diamond.
Selecting Your Jewelry Setting Type
Your setting style affects both look and wearability. Solitaire, halo, pavé, and three-stone settings each offer a unique aesthetic. Choose based on personal taste and lifestyle. Lab-created diamond rings from La Joya come in every setting imaginable, ensuring your jewelry feels just as good as it looks.
Picking the Metal Type
Gold comes in several shades: white, yellow, and rose, while platinum adds durability. Each offers a different mood. White gold is sleek and modern, yellow gold feels classic, and rose gold is romantic. La Joya’s lab diamond jewelry is available in every metal, letting you match your perfect tone.
Choosing Your Jewelry Stones
Lab-grown diamonds offer unmatched brilliance, but you can also explore additional gems for added personality. Heart-shaped, pear, oval, and marquise cuts all bring unique flair. At La Joya, our stones are conflict-free, ethically sourced, and visually stunning, giving you guilt-free options that look and feel just right.
Choosing Your Jewelry Size​
Fit is everything. Whether you’re buying a ring, bracelet, or necklace, size matters for comfort and confidence. Use La Joya’s ring size guide or contact our team for help. A well-fitting piece of lab diamond jewelry ensures long-term wearability and elevates the look of your favorite statement piece.
Financing and Purchasing
La Joya offers easy financing with Buy Now, Pay Later options that make luxury affordable. Enjoy free shipping, free returns, and our lowest price guarantee. With secure payments and expert customer support, shopping for lab-created diamond jewelry has never been easier. Treat yourself without stretching your budget.
Enjoy the Beauty!!
Once you’ve chosen your dream piece, it’s time to shine. Every La Joya design is made to impress, with sustainable sparkle and unbeatable value. Whether it’s a gift, a proposal, or a self-love purchase, your lab-grown diamond jewelry will be a lasting symbol of style, elegance, and smart choices.

Quality & Craftsmanship

At La Joya, quality isn’t a feature. It’s our foundation. Every lab-grown diamond is hand-selected and every setting is carefully constructed to meet the highest standards. From sourcing to finishing, our lab diamond jewelry represents the best in beauty, durability, and ethical design: crafted to be treasured forever.

The Hallmark of Fine Jewelry

True luxury lies in the details. La Joya’s fine jewelry collections are the result of skilled craftsmanship, precise design, and flawless execution. Each lab-created diamond is hand-set into premium metals, reflecting a commitment to heirloom quality. The result is timeless beauty that looks and feels exceptional, every single day.

Expertly Designed & Handcrafted 

From sketch to stone setting, La Joya’s pieces are crafted by seasoned artisans who blend creativity with care. Each piece of lab diamond jewelry is thoughtfully engineered for both beauty and comfort, ensuring it looks stunning and feels amazing. Every step of the process shows our passion for excellence.

Materials & Diamond Sourcing 

La Joya uses only high-grade, lab-grown diamonds and recycled metals, ensuring every piece is sustainable, conflict-free, and responsibly made. Our materials are carefully chosen for brilliance, strength, and ethical standards. When you wear La Joya, you wear jewelry that aligns with your values and radiates responsible luxury.

Ensuring Longevity & Brilliance 

Your jewelry should sparkle for life. That’s why La Joya lab-created diamond pieces are built to last. Each design undergoes rigorous quality checks and is finished to resist wear while maintaining shine. With proper care, your jewelry will remain radiant, symbolizing your moments for years to come.

The Hallmark of Fine Jewelry
True luxury lies in the details. La Joya’s fine jewelry collections are the result of skilled craftsmanship, precise design, and flawless execution. Each lab-created diamond is hand-set into premium metals, reflecting a commitment to heirloom quality. The result is timeless beauty that looks and feels exceptional, every single day.
Expertly Designed & Handcrafted
From sketch to stone setting, La Joya’s pieces are crafted by seasoned artisans who blend creativity with care. Each piece of lab diamond jewelry is thoughtfully engineered for both beauty and comfort, ensuring it looks stunning and feels amazing. Every step of the process shows our passion for excellence.
Materials & Diamond Sourcing
La Joya uses only high-grade, lab-grown diamonds and recycled metals, ensuring every piece is sustainable, conflict-free, and responsibly made. Our materials are carefully chosen for brilliance, strength, and ethical standards. When you wear La Joya, you wear jewelry that aligns with your values and radiates responsible luxury.
Ensuring Longevity & Brilliance
Your jewelry should sparkle for life. That’s why La Joya lab-created diamond pieces are built to last. Each design undergoes rigorous quality checks and is finished to resist wear while maintaining shine. With proper care, your jewelry will remain radiant, symbolizing your moments for years to come.

How to Care For Your Diamond Jewelry

Proper care keeps your lab diamond jewelry looking as breathtaking as the day you got it. With a few easy steps, you can maintain its brilliance, protect its setting, and extend its lifespan. Follow our expert care tips to ensure your La Joya jewelry always shines at its brightest.

Daily Wear & Maintenance

Remove your jewelry during intense activities like workouts or house chores to avoid unnecessary wear. Wipe your lab-grown diamond jewelry with a soft cloth at the end of the day to clear away oils and residue. Small daily habits can preserve brilliance and protect your jewelry’s settings over time

Proper Storage Tips

Store your lab-created diamond jewelry in a soft pouch or a lined box to prevent scratches. Keep pieces separated to avoid tangling or abrasion. If possible, use anti-tarnish strips for metals. Safe, organized storage ensures your jewelry stays beautiful and ready to wear whenever you need it.

Keeping Lab-Created Jewelry Safe

Protect your jewelry by removing it before sleeping, swimming, or applying lotions. When traveling, carry it in a secure case. For added peace of mind, La Joya offers an industry-best loss guarantee and a three-year care plan. Your lab diamond jewelry is precious: treat it like the treasure it is.

Cleaning & Polishing

To clean your jewelry, use a mix of mild soap and warm water with a soft brush. Avoid harsh chemicals that can damage the finish. For deep cleaning, use La Joya’s professional care plan services. A simple routine keeps your lab diamond jewelry sparkling and camera-ready at all times.

FAQs

What makes lab-grown diamonds different from natural diamonds?

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Lab-grown diamonds are physically and chemically identical to natural diamonds, offering the same sparkle and durability. The difference is in how they’re created. Lab diamonds are made in high-tech labs without environmental harm or conflict. You get a real diamond with ethical origins and a much more affordable price tag.

How do I choose the right jewelry piece for me?

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Start with your style, lifestyle, and budget. Whether it’s a lab-grown diamond ring or a statement necklace, think about when and how you’ll wear it. Browse La Joya’s collections for inspiration or use our guides to find a piece that suits your personal taste and daily wear needs.

What metals do you offer for your Diamond Jewelry?

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La Joya offers a wide selection of metals for our lab-created diamond jewelry, including white gold, yellow gold, rose gold, and platinum. Each has its own look and feel. Choose based on your skin tone, style preferences, and how often you plan to wear your new favorite piece.

Can I customize my jewelry piece?

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Yes. La Joya offers custom options to help you bring your vision to life. Upload your inspiration through our ring builder or connect with our team for a bespoke design. Whether it’s an engagement ring or fine jewelry, we can create something truly personal and unforgettable just for you.

How do I determine my Diamond Jewelry metal?

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Consider your skin tone, lifestyle, and personal style. White gold is timeless and modern, yellow gold offers a classic warmth, while rose gold is romantic and trendy. For durability, platinum is best. All our lab-grown diamond pieces come in these options so you can find your perfect match.

What is the best way to care for my Diamond Jewelry?

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Gently clean with mild soap and warm water using a soft brush. Avoid exposing it to chemicals, lotions, or extreme temperatures. Store your lab diamond jewelry in a soft-lined box. Regular cleaning and mindful wear help maintain its shine and protect its setting for years of brilliance.

Do you offer a warranty on your Diamond Jewelry?

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Yes. Every La Joya lab-created diamond jewelry purchase includes a three-year comprehensive care plan from Jewelers Mutual. It covers repairs, inspections, and cleanings. Plus, we offer a lost ring replacement plan with 40% off reorders. You’re always protected, because we believe jewelry should be worry-free.

What is your return and exchange policy?

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We offer free 30-day returns and exchanges on all eligible lab-grown diamond jewelry. If you’re not completely in love with your piece, simply send it back. No hassle, no stress. At La Joya, customer satisfaction comes first. That’s part of our commitment to a seamless shopping experience.

Is your jewelry ethically sourced?

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Absolutely. All La Joya lab diamond jewelry is crafted from lab-grown diamonds and recycled metals. We’re committed to sustainability, fair labor, and cruelty-free practices. You can feel proud knowing your piece is conflict-free and environmentally responsible without sacrificing quality, luxury, or brilliance.

How long does shipping take?

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We offer fast, free shipping on every order. Most lab-grown diamond jewelry ships within 1–3 business days. Custom orders may take slightly longer. Once shipped, you’ll receive tracking details to follow your delivery. Enjoy secure packaging and prompt arrival—because you shouldn’t have to wait to sparkle.

Last Modified Date: October 27, 2025