Lab Grown Diamond Jewelry

Explore IGI certified lab grown diamond jewelry crafted in 14K and 18K gold, including engagement rings, earrings, necklaces, tennis bracelets, and custom fine jewelry.

Lab Grown Diamond Rings
Shop Engagement Rings
92 products
Luminary Gem Oval Cut Prong Studs - 14k Gold
Shop Earrings
35 products
Luminary Gem Mix Cut Radiance Tennis Bracelet - 14k Gold
Shop Diamond Bracelets
24 products
Luminary Gem Round Cut Six Prong Pendant Necklace - 14k Gold
Shop Diamond Necklaces
22 products
Luminary Gem Aurora Pear Cut Double Row Diamond Band (3.3 Carat) - 14k Gold
Shop Wedding Rings
54 products
Luminary Gem Aurelia Hexa Diamond Eyewear (1.70 Carat) - 14k Gold
Shop Diamond Eyewears
3 products

Complimentary Worldwide Shipping

Orders over $500 ship free worldwide, fully insured for peace of mind.

IGI Certified Diamonds

Every diamond comes with an official IGI certificate for verified quality.

Complimentary Ring Resizing

One complimentary resizing within 30 days to ensure your perfect fit.

30 Day Returns & Exchanges

Not perfect? Return eligible items within 30 days, we make it simple.

Why Choose Luminary Gem

Luminary Gem offers lab grown diamond jewelry designed for modern luxury, including engagement rings, diamond earrings, tennis bracelets, necklaces, wedding bands, and custom jewelry. Each piece is crafted in 14K or 18K gold with carefully selected lab grown diamonds, offering exceptional brilliance, ethical sourcing, and outstanding value.