18k Diamond
2,488
to
30,637
172,994
67,339
60,594
46,865
16,013
6,655
6,105
6,063
3,228
2,875
708
678
666
527
509
243
171
47
10
7
495
7,232
75,603
191,327
2,421
1,855
2,659
2,060
2,039
3,458
5,319
6,297
8,182
7,844
308
10,358
5,101
4,529
3,613
2,681
190,673
83,073
3,905
274,721
2,930
266,524
237,076
94,636
77,673
22,036
251,394
57,474
35,637
23,176
23,143
636
591
283
75494
21771
17281
10839
8960
to
Sort By
18k Diamond Ring
Located in New York, NY
Indulge in timeless elegance with our exquisite 18k Diamond Ring. Crafted from 18k white gold and
Category
21st Century and Contemporary Engagement Rings
Materials
Diamond, Gold, 18k Gold, White Gold
18k Diamond Ring
Located in New York, NY
This stunning 18k Diamond Ring features a dazzling 3.89 carat diamond set in 18k white gold. In
Category
21st Century and Contemporary Engagement Rings
Materials
Diamond, 18k Gold, White Gold
18k Diamond Floral Ring
Located in New York, NY
Add some glamour with our Multi-Toned 18k Diamond Floral Ring! With sparkling 1.31 carat diamonds
Category
21st Century and Contemporary Engagement Rings
Materials
Diamond, 18k Gold, Rose Gold, White Gold, Yellow Gold
18k Diamond Floral Earrings
Located in New York, NY
These stunning 18k Diamond Floral Earrings feature a total of 2.19 carats of sparkling diamonds
Category
21st Century and Contemporary Clip-on Earrings
Materials
Diamond, Yellow Diamond, Gold, 18k Gold, Rose Gold, White Gold, Yellow Gold
18k Diamond Band Ring
Located in New York, NY
This elegant 18k diamond band ring, with a ring size of 7, boasts a total weight of 1.27 carats
Category
21st Century and Contemporary Engagement Rings
Materials
Diamond, White Diamond, Gold, 18k Gold, Rose Gold, White Gold
18K Diamond Donut Necklace
Located in New York, NY
Elegant 18K Diamond Donut Necklace from the 1990's. Matte gold donut set with 6 sparkling diamonds
Category
1990s American Chain Necklaces
Materials
Diamond, 14k Gold, 18k Gold
18k Diamond and Sapphire Ring
Located in New York, NY
Put a pop of color on your finger with our 18k Diamond and Sapphire Ring! Made with 18k white gold
Category
21st Century and Contemporary Engagement Rings
Materials
White Diamond, Blue Sapphire, Gold, 18k Gold, White Gold
18k Diamond Wide Band Ring
Located in New York, NY
Elevate any outfit with this stunning 18k Diamond Wide Band Ring! Crafted in 18k White Gold, this
Category
21st Century and Contemporary Band Rings
Materials
Diamond, Gold, 18k Gold, White Gold
18k Diamond Wide Band Ring
Located in New York, NY
This elegant 18k diamond wide band ring is crafted from 18k white gold and features a total of 2.22
Category
21st Century and Contemporary Band Rings
Materials
Diamond, Gold, 18k Gold, White Gold
18k Diamond Wide Band Ring
Located in New York, NY
Indulge in luxury with our 18k Diamond Wide Band Ring. Crafted from 18k white gold and adorned with
Category
21st Century and Contemporary Band Rings
Materials
Diamond, Gold, 18k Gold, White Gold
18k Diamond and Sapphire Ring
Located in New York, NY
Elevate your style with our 18k Diamond and Sapphire Ring. The exquisite 4.11 carat sapphire is
Category
21st Century and Contemporary Engagement Rings
Materials
Diamond, Sapphire, 18k Gold, White Gold
18k Diamond and Ruby Ring
Located in New York, NY
This dainty and dazzling 18k Diamond and Ruby Floral Ring is sure to make a statement on your
Category
21st Century and Contemporary Cocktail Rings
Materials
Diamond, Ruby, Gold, 18k Gold, White Gold
Giovane Italy Estate 18K Diamond Earrings
By Giovane
Located in New York, NY
Giovane Italy Estate 18K Diamond Earrings
Reital $20,000
Category
20th Century Italian Contemporary Chandelier Earrings
Materials
Diamond, 18k Gold, Yellow Gold
18k Diamond Wide Band Ring
Located in New York, NY
Indulge in the luxuriously elegant style of our 18k Diamond Wide Band Ring. Crafted from 18k White
Category
21st Century and Contemporary Band Rings
Materials
Diamond, Gold, 18k Gold, White Gold
18k Diamond Wide Band Ring
Located in New York, NY
Indulge in luxury with our 18k Diamond Wide Band Ring. Crafted from 18k white gold, this ring
Category
21st Century and Contemporary Band Rings
Materials
Diamond, Gold, 18k Gold, White Gold
18k Diamond Wide Band Ring
Located in New York, NY
Indulge in luxury with this exquisite 18k Diamond Wide Band Ring. Crafted from 18k white gold, this
Category
21st Century and Contemporary Band Rings
Materials
Diamond, Gold, 18k Gold, White Gold
18k Diamond and Emerald Ring
Located in New York, NY
Indulge in pure luxury with our 18k Diamond and Emerald Ring. Crafted from gleaming 18k white gold
Category
21st Century and Contemporary Engagement Rings
Materials
Diamond, Emerald, Gold, 18k Gold, White Gold
18k Diamond and Emerald Ring
Located in New York, NY
Indulge in the ultimate luxury with our 18k Diamond and Emerald Ring. Crafted from white gold and
Category
21st Century and Contemporary Engagement Rings
Materials
Diamond, Emerald, Gold, 18k Gold, White Gold
18K Diamonds Ball Clasp 15.8x11.5 mm
Located in New York, NY
18K Diamonds Ball Clasp 15.8x11.5 mm
0.25 cts Diamonds
4 grams
Category
21st Century and Contemporary Hong Kong Contemporary Necklace Enhancers
Materials
Diamond, 18k Gold, White Gold
18K Diamonds Ball Clasp 17.8x12.5 mm
Located in New York, NY
18K Diamonds Ball Clasp 17.8x12.5 mm
0.425 cts Diamonds
3 grams
Category
21st Century and Contemporary Hong Kong Contemporary Necklace Enhancers
Materials
Diamond, 18k Gold, White Gold
18k Diamond Wide Band Ring
Located in New York, NY
Indulge in luxury with our 18k Diamond Wide Band Ring. Crafted in shimmering 18k white gold, this
Category
21st Century and Contemporary Band Rings
Materials
Diamond, Gold, 18k Gold, White Gold
18k Diamond Wide Band Ring
Located in New York, NY
Immerse yourself in luxury with our 18k Diamond Wide Band Ring. Made of 18k white gold, this ring
Category
21st Century and Contemporary Band Rings
Materials
Diamond, Gold, 18k Gold, White Gold
18k Diamond and Ruby Ring
Located in New York, NY
Indulge in the ultimate luxury with our 18k Diamond and Ruby Ring. Crafted with 18k white gold and
Category
21st Century and Contemporary Engagement Rings
Materials
Diamond, Ruby, Gold, 18k Gold, White Gold
18k Diamond and Ruby Ring
Located in New York, NY
Discover the allure of vintage sophistication with this 18k Diamond and Ruby Ring, presented in
Category
21st Century and Contemporary Three-Stone Rings
Materials
Diamond, Ruby, 18k Gold, White Gold
Jewel of Ocean Garrad 18k Diamond Pendent
Located in New York, NY
GARRAD 18K Diamond 15" Pendent
1.3 Carts Diamonds
Category
Mid-20th Century Unknown Contemporary Pendant Necklaces
Materials
Diamond, 18k Gold, White Gold
18k Diamond and Persian Turquoise Ring
Located in New York, NY
wear consistent with age.
Ring size: 7
Markings: “K-18”
Metal: 18k White Gold
Weight: 13.7 grams
Category
21st Century and Contemporary Cocktail Rings
Materials
Diamond, Turquoise, Gold, 18k Gold, White Gold
18k Diamond and African Ruby Ring
Located in New York, NY
Feast your eyes on our 18k Diamond and African Ruby Ring. Crafted in 18k white gold, this ring has
Category
21st Century and Contemporary Engagement Rings
Materials
Diamond, Ruby, Gold, 18k Gold, White Gold
18k Diamond Ring with Marquise Center
Located in New York, NY
This 18k Diamond Ring is the perfect blend of elegance and sophistication. Made with 18k white and
Category
21st Century and Contemporary Engagement Rings
Materials
Diamond, Gold, 18k Gold, White Gold, Yellow Gold
18k Diamond & Emerald Day/Night Earrings
Located in New York, NY
Elevate any ensemble with these stunning 18k Diamond & Emerald Day/Night Earrings. Crafted in 1960
Category
Vintage 1960s Drop Earrings
Materials
Diamond, Emerald, 18k Gold, Yellow Gold
Hakimoto Pink Cultured Pearl 18K Diamonds Necklace
Located in New York, NY
Hakimoto Pink Cultured Pearl Necklace
18K Diamonds Clacp
16.5 inches
8-7mm
All measurements and
Category
21st Century and Contemporary American Contemporary Beaded Necklaces
Materials
Cultured Pearl, Diamond, 18k Gold, White Gold
Hakimoto 14.5 mm Perfect drop 18k Diamond Pendent
Located in New York, NY
Hakimoto 14.5 mm Perfect drop 18k Diamond Pendent
Category
21st Century and Contemporary American Modern Pendant Necklaces
Materials
Diamond, Cultured Pearl, 18k Gold, White Gold
Hakimoto 14 mm Perfect drop 18k Diamond Pendent
Located in New York, NY
Hakimoto 14 mm Perfect drop 18k Diamond Pendent
Category
21st Century and Contemporary American Modern Pendant Necklaces
Materials
Diamond, Cultured Pearl, 18k Gold, White Gold
18k Diamond and Marquise Cut Emerald Ring
Located in New York, NY
Indulge in luxury with this 18k Diamond and Emerald Ring. Crafted in 18k white gold and adorned
Category
21st Century and Contemporary Engagement Rings
Materials
Diamond, Emerald, 18k Gold, White Gold
18k Diamond and Emerald Ring
Located in New York, NY
Look at this gem: 18k Diamond and Emerald Ring. Weighing 9.84 grams and sized at 6.25, this ring
Category
21st Century and Contemporary Engagement Rings
Materials
Diamond, Emerald, 18k Gold, White Gold
18k Diamond and Sapphire Ring
Located in New York, NY
This 18k diamond and sapphire ring is a stunning piece of jewelry. The 3.05 carat sapphire center
Category
21st Century and Contemporary Engagement Rings
Materials
Diamond, Sapphire, 18k Gold, White Gold
18k Diamond and Emerald Ring
Located in New York, NY
This 18k diamond and emerald ring is perfect for everyday wear.It weighs 6.88 grams and is a size
Category
21st Century and Contemporary Engagement Rings
Materials
Diamond, Emerald, 18k Gold, White Gold
Jewel Of Ocean Mauboussin 18K Diamonds Hart Pendent
By Mauboussin
Located in New York, NY
Mauboussin 18K Diamonds Hart 18" Pendent
1.5 Carts Diamonds
Silk Cord
Category
Late 20th Century Unknown Contemporary Pendant Necklaces
Materials
Diamond, 18k Gold, Yellow Gold
18k Diamond and Sapphire Ring
Located in New York, NY
Elevate your style with our 18k Diamond and Sapphire Ring. The 1.57 carat sapphire center stone is
Category
21st Century and Contemporary Engagement Rings
Materials
Diamond, Sapphire, 18k Gold, White Gold
18k Diamond and Ruby Ring
Located in New York, NY
Indulge in luxury with our 18k Diamond and Ruby Ring. Crafted from white gold, this exquisite piece
Category
21st Century and Contemporary Engagement Rings
Materials
Diamond, Ruby, 18k Gold, White Gold
18k Diamond and Sapphire Ring
Located in New York, NY
Crafted with precision and elegance, this 18k Diamond and Sapphire Ring boasts a stunning 3.32
Category
21st Century and Contemporary Engagement Rings
Materials
Diamond, Blue Sapphire, Gold, 18k Gold, White Gold
18k Diamond Wide Band Ring
Located in New York, NY
Indulge in the luxurious beauty of our 18k Diamond Wide Band Ring! This stunning piece features
Category
21st Century and Contemporary Band Rings
Materials
Diamond, Gold, 18k Gold, White Gold
18k Diamond and Emerald Ring
Located in New York, NY
18k White Diamond and Emerald Ring. Expertly crafted with a remarkable balance of luxury and
Category
21st Century and Contemporary Engagement Rings
Materials
Diamond, Emerald, 18k Gold, White Gold
18k Diamond and Ruby Ring
Located in New York, NY
Indulge in luxury with our beautiful 18k Diamond and Ruby Ring. This exquisite piece boasts a
Category
21st Century and Contemporary Engagement Rings
Materials
Diamond, Ruby, 18k Gold, White Gold
18k Diamond and Ruby Ring
Located in New York, NY
Crafted in elegant 18k white gold, this stunning ring features sparkling 1.26 carat diamonds and a
Category
21st Century and Contemporary Cocktail Rings
Materials
Diamond, Ruby, Gold, 18k Gold, White Gold
18k Diamond and Sapphire Ring
Located in New York, NY
Indulge in luxury with our 18k Diamond and Sapphire Wide Band Ring. Featuring 1.40 carats of
Category
21st Century and Contemporary Engagement Rings
Materials
Diamond, Blue Sapphire, Gold, 18k Gold, White Gold
18k Diamond and Emerald Wide Band Ring
Located in New York, NY
Indulge in luxury with our Heavy 18k Diamond and Emerald Wide Band Ring. Crafted from 18k white
Category
21st Century and Contemporary Band Rings
Materials
Diamond, Emerald, 18k Gold, White Gold
18k Diamond and Emerald Ring
Located in New York, NY
Unveil the captivating allure of this 18k Diamond and Emerald Ring, a testament to enduring beauty
Category
21st Century and Contemporary Cluster Rings
Materials
Diamond, Emerald, 18k Gold, White Gold
18k Diamond and Ruby Ring
Located in New York, NY
Indulge in luxury and sophistication with this 18k Diamond and Ruby Ring. Crafted with 18k white
Category
21st Century and Contemporary Cluster Rings
Materials
Diamond, Ruby, Gold, 18k Gold, White Gold
18k Diamond and Sapphire Ring
Located in New York, NY
Indulge in luxury with our 18k Diamond and Sapphire Ring. Crafted from 18k white gold, this
Category
21st Century and Contemporary Engagement Rings
Materials
Diamond, Blue Sapphire, Gold, 18k Gold, White Gold
18k Diamond and Yellow Sapphire Cocktail Ring.
Located in New York, NY
Indulge in luxury with our 18k Diamond and Yellow Sapphire Cocktail Ring. Crafted with 1.54 carats
Category
21st Century and Contemporary Cocktail Rings
Materials
Diamond, Yellow Sapphire, Gold, 18k Gold, White Gold, Yellow Gold
18k Diamond Wide Band Ring with Abstract Design
Located in New York, NY
Indulge in luxury with our 18k Diamond Wide Band Ring. Crafted in 18k white gold, this ring
Category
21st Century and Contemporary Engagement Rings
Materials
Diamond, Gold, 18k Gold, White Gold
18k Diamond and Yellow Sapphire Three Stone Ring
Located in New York, NY
Elevate your style with our exquisite 18k Diamond and Yellow Sapphire Three Stone Ring. Crafted
Category
21st Century and Contemporary Three-Stone Rings
Materials
Diamond, Yellow Sapphire, Gold, 18k Gold, White Gold
18k Diamond and Australian Sapphire Princess Diana Ring
Located in New York, NY
Indulge in the timeless elegance of our 18k Diamond and Australian Sapphire Princess Diana Ring
Category
21st Century and Contemporary Engagement Rings
Materials
Diamond, Blue Sapphire, Gold, 18k Gold, White Gold
18k Diamond and Ruby Heart Ring
Located in New York, NY
Look at this adorable 18k Diamond and Ruby Heart Shaped Ring. Weighing 6.56 grams and in a size
Category
21st Century and Contemporary Engagement Rings
Materials
Diamond, Ruby, 18k Gold, White Gold
18k Diamond and Green Stone Center Cocktail Ring
Located in New York, NY
Indulge in luxury with our 18k Diamond and Green Stone Center Cocktail Ring. Crafted with 18k white
Category
21st Century and Contemporary Cocktail Rings
Materials
Diamond, Gold, 18k Gold, White Gold, Yellow Gold
Temple St Clair 18K Diamond Classic Amulet
By Temple St. Clair
Located in Scottsdale, AZ
Introducing the Temple St Clair 18K Diamond Classic Amulet—a sleek and simple yet undeniably
Category
2010s European Pendant Necklaces
Materials
Diamond
Bvlgari-Styled 18k Diamond Yellow Gold Earrings
Located in New York, NY
Bvlgari-Styled 18k Diamond Yellow Gold Earrings
Dangling earrings in the style of Bvlgari
Category
Late 20th Century Dangle Earrings
Materials
Diamond, 18k Gold, Yellow Gold
18k Diamond and African Ruby Ring
Located in New York, NY
This stunning 18k diamond and ruby ring features a total of 2.66 carats of diamonds and a beautiful
Category
21st Century and Contemporary Engagement Rings
Materials
Diamond, Ruby, Gold, 18k Gold, White Gold
18k Diamond and Ruby Heart Ring
Located in New York, NY
This 18k Diamond and Ruby Heart Shaped Ring is a true gift for someone you love or for treating
Category
21st Century and Contemporary Engagement Rings
Materials
Diamond, Ruby, 18k Gold, White Gold
18k Diamond and Multi Colored Stone Cocktail Ring
Located in New York, NY
Indulge in luxury with our 18k Diamond and Multi Colored Stone Cocktail Ring. With a total carat
Category
21st Century and Contemporary Engagement Rings
Materials
Diamond, Gold, 18k Gold, White Gold, Yellow Gold
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18k Diamond For Sale on 1stDibs
Surely you’ll find the exact 18k diamond you’re seeking on 1stDibs — we’ve got a vast assortment for sale. Every item for sale was constructed with extraordinary care, often using Gold, 18k Gold and White Gold. Find an antique version now, or shop for 70169 vintage or 87665 modern creation for a more contemporary example of these cherished accessories. Finding the perfect 18k diamond may mean sifting through those created during different time periods — you can find an early version that dates to the 18th Century and a newer variation that were made as recently as the 21st Century. For this particular piece, .5 Carat and 1 Carat are consistently popular carat weights. Finding an appealing 18k diamond — no matter the origin — is easy, but Cartier, Van Cleef & Arpels and Tiffany & Co. each produced a popular version that is worth a look. Today, if you’re looking for a round cut version of this piece and are unable to find the perfect match, our selection also includes oval cut and brilliant cut alternatives. When shopping for a 18k diamond, you’ll find that there are less available pieces for unisex or men today than there are for women.
How Much is a 18k Diamond?
On average, a 18k diamond at 1stDibs sells for $5,526, while they’re typically $1 on the low end and $135,979,328 for the highest priced versions of this item.
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