Black Diamond Rings

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.

Adore | 18k White Gold 7 x 5 mm Emerald Black Diamond Ring

Adore Emerald Black Diamond Ring

$2,650

Adore | 18k White Gold 7 x 5 mm Oval Black Diamond Ring

Adore Oval Black Diamond Ring

$2,400

Adore | 18k White Gold 6 mm Round Black Diamond Ring

Adore Round Black Diamond Ring

$2,610

Affection | 18k White Gold 5 x 3 mm Oval Black Diamond & Diamond Ring

Affection Oval Black Diamond & Diamond Ring

$5,380

Affection | 18k White Gold 5 x 3 mm Oval Black Diamond Ring

Affection Oval Black Diamond Ring

$3,060

Blossom | 18k White Gold 6 x 4 mm Oval Black Diamond Ring

Blossom Halo Oval Black Diamond Ring

From $1,900

Blossom | 18k White Gold 4.5 mm Round Black Diamond Ring

Blossom Round Black Diamond Ring

From $1,980

Brim | 18k White Gold 4.5 mm Round Black Diamond Ring

Brim Round Black Diamond Ring

$1,640

Cathedral | 18k White Gold 6 x 4 mm Emerald Black Diamond Ring

Cathedral Emerald Black Diamond Ring

From $1,440

Cathedral | 18k White Gold 6 x 4 mm Oval Black Diamond Ring

Cathedral Oval Black Diamond Ring

From $1,300

Cathedral | 18k White Gold 6 x 4 mm Pear Black Diamond Ring

Cathedral Pear Black Diamond Ring

From $1,270

Cathedral | 18k White Gold 4.5 mm Round Black Diamond Ring

Cathedral Round Black Diamond Ring

From $1,370

Celeste | 18k White Gold 7 x 5 mm Emerald Black Diamond Ring

Celeste Halo Emerald Black Diamond Ring

$3,360

Celeste | 18k White Gold 7 x 5 mm Oval Black Diamond Ring

Celeste Halo Oval Black Diamond Ring

$3,020

Celeste | 18k White Gold 7 x 5 mm Pear Black Diamond Ring

Celeste Halo Pear Black Diamond Ring

$3,090

Celeste | 18k White Gold 4.5 mm Round Black Diamond Ring

Celeste Round Black Diamond Ring

From $2,590

Crest | 18k White Gold 3 mm Round Black Diamond Ring

Crest Round Black Diamond Ring

$1,170

Dawn | 18k White Gold 1.1 mm Round Black Diamond & Diamond Ring

Dawn Round Black Diamond & Diamond Ring

From $1,830

Dawn | 18k White Gold 1.1 mm Round Black Diamond Ring

Dawn Round Black Diamond Ring

From $1,650

Daze | 18k White Gold 7 x 5 mm Oval Black Diamond Ring

Daze Oval Black Diamond Ring

$1,810

Daze | 18k White Gold 7 x 5 mm Pear Black Diamond Ring

Daze Pear Black Diamond Ring

$1,810

Destiny | 18k White Gold 1.5 mm Round Black Diamond Ring

Destiny Round Black Diamond Ring

From $980

Devotion | 18k White Gold 1.3 mm Round Black Diamond Ring

Devotion Round Black Diamond Ring

From $1,110

Dream | 18k White Gold 6 x 4 mm Emerald Black Diamond Ring

Dream Emerald Black Diamond Ring

From $2,390

Dream | 18k White Gold 6 x 4 mm Oval Black Diamond Ring

Dream Oval Black Diamond Ring

From $2,190

Dream | 18k White Gold 6 mm Round Black Diamond Ring

Dream Round Black Diamond Ring

$2,730

Drift | 18k White Gold 2.5 mm Round Black Diamond Ring

Drift Trilogy Round Black Diamond Ring

From $1,710

Echo | 18k White Gold 1.3 mm Round Black Diamond Ring

Echo Round Black Diamond Ring

$1,020

Ember | 18k White Gold 4.5 mm Round Black Diamond Ring

Ember Round Black Diamond Ring

From $1,220

Embrace | 18k White Gold 4.5 mm Round Black Diamond Ring

Embrace Round Black Diamond Ring

$1,410

Eminence | 18k White Gold 5 x 3 mm Emerald Black Diamond Ring

Eminence Emerald Black Diamond Ring

$3,110

Eminence | 18k White Gold 5 x 3 mm Oval Black Diamond Ring

Eminence Oval Black Diamond Ring

$2,520

Eminence | 18k White Gold 5 x 3 mm Pear Black Diamond Ring

Eminence Pear Black Diamond Ring

$2,570

Everlasting | 18k White Gold 7 x 5 mm Emerald Black Diamond Ring

Everlasting Emerald Black Diamond Ring

$2,710

Everlasting | 18k White Gold 7 x 5 mm Oval Black Diamond Ring

Everlasting Oval Black Diamond Ring

$2,460

Everlasting | 18k White Gold 7 x 5 mm Pear Black Diamond Ring

Everlasting Pear Black Diamond Ring

$2,520

Everlasting | 18k White Gold 6 mm Round Black Diamond Ring

Everlasting Round Black Diamond Ring

$2,620

Exception | 18k White Gold 2.5 mm Round Black Diamond Ring

Exception Round Black Diamond Ring

From $1,630

Exquisite | 18k White Gold 5 x 3 mm Emerald Black Diamond Ring

Exquisite Emerald Black Diamond Ring

From $1,260

Exquisite | 18k White Gold 5 x 3 mm Oval Black Diamond Ring

Exquisite Oval Black Diamond Ring

From $1,170

Exquisite | 18k White Gold 5 x 3 mm Pear Black Diamond Ring

Exquisite Pear Black Diamond Ring

From $1,150

Exquisite | 18k White Gold 4.5 mm Round Black Diamond Ring

Exquisite Round Black Diamond Ring

From $1,440

Faith | 18k White Gold 5 x 3 mm Emerald Black Diamond & Diamond Ring

Faith Emerald Black Diamond & Diamond Ring

$6,290

Faith | 18k White Gold 5 x 3 mm Emerald Black Diamond Ring

Faith Emerald Black Diamond Ring

$3,760

Fascination | 18k White Gold 1.1 mm Round Black Diamond Ring

Fascination Round Black Diamond Ring

$1,760

Flow | 18k White Gold 2.5 mm Round Black Diamond Ring

Flow Trilogy Round Black Diamond Ring

From $1,250

Fusion | 18k White Gold 1.3 mm Round Black Diamond Ring

Fusion Round Black Diamond Ring

From $1,340

Grace | 18k White Gold 6 x 4 mm Emerald Black Diamond Ring

Grace Halo Emerald Black Diamond Ring

From $3,110

Grace | 18k White Gold 6 x 4 mm Oval Black Diamond Ring

Grace Halo Oval Black Diamond Ring

From $2,950

Grace | 18k White Gold 6 mm Round Black Diamond Ring

Grace Round Black Diamond Ring

$3,290

Made-to-Order Black Diamond in 18k Gold

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
Free resizing and 30-day money-back guarantee
Transparent sourcing and direct-to-client service