Loose Lab Grown Diamonds
Explore premium loose lab grown diamonds crafted with precision and purpose. Each diamond is ethically created and IGI certified, offering exceptional brilliance, clarity, and value. Choose from a wide range of shapes, carat weights, and quality grades to create a custom engagement ring or fine jewelry made uniquely for you.
4 Key Assurances for Loose Lab Grown Diamonds
Luminary Gem — Frequently Asked Questions
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.
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.
- 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.
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.
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
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.
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.
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.