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5.00-10.00 Carat Diamonds

Our 5.00–10.00 carat lab-grown diamonds are designed for those who want uncompromising presence and breathtaking sparkle. Whether you’re searching for a 5 carat engagement ring or a dramatic 10 carat statement diamond, this collection delivers unmatched visual impact — without the traditional luxury markup.
Each diamond is IGI certified and crafted with the same physical, chemical, and optical properties as mined diamonds.

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IGI 5.00 Carat Lab-Grown Diamond, Emerald, Ideal Cut

IGI 5.00 Carat Lab-Grown Diamond, Emerald, Ideal Cut

$1,502.00 – $2,515.00
5.00 Carat Lab-Grown Diamond – IGI Certified, Round Brilliant, 3EX Cut

5.00 Carat Lab-Grown Diamond – IGI Certified, Round Brilliant, 3EX Cut

$1,596.00 – $3,824.00
IGI 5.00 Carat Lab-Grown Diamond, Oval, Ideal Cut

IGI 5.00 Carat Lab-Grown Diamond, Oval, Ideal Cut

$1,638.00 – $3,440.00
IGI 5.00 Carat Lab-Grown Diamond, Marquise, Ideal Cut

IGI 5.00 Carat Lab-Grown Diamond, Marquise, Ideal Cut

$1,701.00 – $2,613.00
IGI 5.00 Carat Lab-Grown Diamond, Pear, Ideal Cut

IGI 5.00 Carat Lab-Grown Diamond, Pear, Ideal Cut

$1,741.00 – $3,117.00
IGI 5.00 Carat Lab-Grown Diamond, Cushion, Ideal Cut

IGI 5.00 Carat Lab-Grown Diamond, Cushion, Ideal Cut

$1,757.00 – $2,444.00
IGI 5.00 Carat Lab-Grown Diamond, Princess, Ideal Cut

IGI 5.00 Carat Lab-Grown Diamond, Princess, Ideal Cut

$1,943.00 – $2,531.00
6.00 Carat Lab-Grown Diamond – IGI Certified, Round Brilliant, 3EX Cut

6.00 Carat Lab-Grown Diamond – IGI Certified, Round Brilliant, 3EX Cut

$2,176.00 – $5,600.00
IGI 6.00 Carat Lab-Grown Diamond, Oval, Ideal Cut

IGI 6.00 Carat Lab-Grown Diamond, Oval, Ideal Cut

$2,385.00 – $6,552.00
7.00 Carat Lab-Grown Diamond – IGI Certified, Round Brilliant, 3EX Cut

7.00 Carat Lab-Grown Diamond – IGI Certified, Round Brilliant, 3EX Cut

$2,712.00 – $7,044.00
IGI 7.00 Carat Lab-Grown Diamond, Oval, Ideal Cut

IGI 7.00 Carat Lab-Grown Diamond, Oval, Ideal Cut

$2,993.00 – $6,962.00
IGI 6.00 Carat Lab-Grown Diamond, Princess, Ideal Cut

IGI 6.00 Carat Lab-Grown Diamond, Princess, Ideal Cut

$3,092.00 – $3,375.00
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4 Key Assurances for Loose Lab Grown Diamonds

Complimentary Worldwide Shipping

Orders of $500 or more qualify for fully insured complimentary shipping, bringing your carefully chosen piece safely to your doorstep.

IGI Certified Quality

Each lab-grown diamond arrives with its official IGI certificate, providing independent verification of its quality and characteristics for your complete confidence.

Secure Delivery & Tracking

Your jewelry is packaged with protective care and comes with real-time tracking, ensuring its journey to you is secure and visible every step of the way.

30 Day Return Assurance

We invite you to experience your diamond in person, offering a 30-day return period should it not perfectly match your expectations.

Luminary Gem — Frequently Asked Questions

Are Luminary Gem diamonds real diamonds?

Yes! Our lab-grown diamonds are 100% real diamonds, identical in chemical composition and sparkle to mined diamonds — just created through sustainable technology. They are conflict-free, ethical, and eco-friendly.

Are your diamonds in stock?

Yes, all Luminary Gem loose lab-grown diamonds are in stock and ready to ship.
We ship within 3 business days after your order is confirmed.

How long does it take to receive my order?
  • Loose diamonds: ship within 3 business days.
  • Finished jewelry: made to order and typically ships within 7–15 business days.
    Delivery time depends on your location — usually 5–7 business days via FedEx, DHL, or UPS.
Accordion itemDo your diamonds come with certification?

Yes. Every Luminary Gem diamond above 0.5 carat includes an IGI certification that details its cut, color, clarity, and carat weight.
Each certificate number is laser-inscribed on the diamond and verifiable on the official IGI website.

Can I customize my jewelry?

Absolutely. We offer custom design and setting services. Choose your diamond shape, size, metal type (platinum, 14K/18K gold, etc.), and ring design — our artisans will create your piece with precision and care.
Contact our team to start your bespoke order. Whatsapp:+86 186 8226 6506

What is your return policy?

We accept returns within 30 days of delivery for unworn items in their original condition and packaging.
Custom-made jewelry may not be returnable unless defective.
Please contact our support team to initiate a return.

Are Luminary Gem diamonds sustainable and ethical?

Yes. All our diamonds are lab-grown, meaning they are conflict-free, traceable, and created with minimal environmental impact.
Luminary Gem stands for beauty with conscience — real brilliance, responsibly made.

How can I contact Luminary Gem?

Our support team is always here to assist you.
Email: service@luminarygem.com
Or reach out via live chat on our website for fast, personalized help.