Discover our Black Diamond Ring Collection. Solitaires, trilogies, side stones or halos, customize your ring in 18k gold of 3 different colors and with 4 shapes of stones. To complete your look, discover our Black Diamond Earrings and Black Diamond Pendants.
GEMNAT’s black diamond rings are crafted in 18k gold and set with natural, AAA-quality black diamonds. Their deep, opaque tone and modern look make them a popular choice for those seeking a distinctive alternative to traditional white diamonds.
This collection includes a range of customizable styles: solitaire, trilogy, halo, side-stone, pavé, engagement rings, and wedding bands — all available in multiple center stone sizes.
Customization Options
Choose from yellow, white, or rose 18k gold
Available in multiple center stone sizes
Full size range, including half sizes
Black diamond is one of 15 natural gemstones available at GEMNAT
About Our Black Diamonds
We use only naturally formed black diamonds, hand-selected by GEMNAT gemologists in AAA quality. Sourced through Antwerp from trusted origins in India and Africa, each stone is evaluated for its depth of color, finish, and overall consistency.
Black Diamond, the alternative birthstone of April, symbolizes strength, mystery, and individuality — a bold and meaningful choice for celebrating birthdays, personal milestones, or modern commitments.
Learn more about gemstone meanings and all 12 birthstones on our Birthstone Guide.
What to Expect
Made to order in our atelier, production in 6–8 days
Delivered worldwide via tracked DHL Express (2–3 days)
Presented in GEMNAT’s premium packaging
Why Choose GEMNAT
Natural black diamonds, carefully selected for quality
Customization across design, size, and gold color
Fair pricing, 30–70% lower than traditional retail