Alliances Diamant Noir

Yes. All GEMNAT black diamonds are 100% natural and ethically sourced.
They are carefully selected for their intense, opaque color and unique inner reflections that give each stone a bold and mysterious beauty.
Every piece is hand-inspected by our gemologists to ensure exceptional quality and brilliance.

GEMNAT black diamond wedding rings are crafted in luxurious 18k gold alloy, available in yellow, white, or rose gold. This ensures lasting beauty, durability, and a premium finish that perfectly complements the striking black diamonds.

Yes. Black diamond wedding rings are highly durable and ideal for everyday wear. Crafted with 18k gold and tough natural black diamonds, they withstand daily use while maintaining their striking elegance.

Yes. Every GEMNAT black diamond wedding ring is fully customizable. You can choose your diamond size and cut, select the gold color, pick your ring size (including half‑sizes), and even add a personalized engraving or request a bespoke design created just for you.

Yes. Black diamond rings make striking and unconventional wedding rings. Their durability, timeless elegance, and unique bold color make them perfect for everyday wear while symbolizing individuality and lasting commitment.

You can determine your perfect ring size using GEMNAT’s detailed online size guide or by measuring a ring you already own. If your ring doesn’t fit perfectly, contact our team and we offer complimentary resizing for a quick and easy adjustment.

Each GEMNAT black diamond wedding ring is made to order, with production taking about 6–8 business days. Express worldwide delivery via DHL takes an additional 2–3 days, fully tracked and secure. For special occasions, expedited production can often be arranged upon request.

GEMNAT black diamond wedding rings are unique for their bold, contemporary elegance, exceptional craftsmanship, and fully customizable designs. Each ring is handcrafted with ethically sourced black diamonds set in luxurious 18k gold, offered at fair prices—often up to 70% below traditional retail and backed by a 30-day money-back guarantee, combining lasting value with a truly distinctive symbol of love.