12 Karat Diamond
100
to
650
4,030
1,327
1,188
990
274
267
144
122
68
59
21
18
17
12
11
5
1
21
188
2,021
3,547
53
34
58
39
55
90
122
193
131
151
8
126
85
80
63
60
3,984
1,686
114
5,780
4
5,634
3,022
2,204
2,114
1,446
5,310
1,082
826
507
473
8
7
5
1957
527
489
278
204
to
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Tahitian Diamond Drop Earrings 0.61 Carats 18 Karat White Gold 12-13 MM
By Harbor Diamonds
Located in New York, NY
18 Karat White Gold drop earrings featuring 38 round brilliants weighing 0.61 carats with two
Category
2010s Contemporary Drop Earrings
Materials
Diamond, 18k Gold, White Gold
Free Shipping
W 0.45 in L 0.88 in
Diamond Cluster Floral Tahitian Pearl Drop Earrings 1.03 Carat 18 Karat 12-13 MM
By Harbor Diamonds
Located in New York, NY
18 Karat White Gold drop earrings featuring a floral diamond cluster weighing 1.03 Carats with two
Category
2010s Contemporary Drop Earrings
Materials
Diamond, Pearl, 18k Gold, White Gold
Free Shipping
L 0.88 in
18 Karat White Gold South Sea & Tahitian Pearl Diamond Lariat 0.61 Carats 12-13M
By Harbor Diamonds
Located in New York, NY
18 Karat White Gold Lariat featuring one South Sea Pearl & one Tahitian Pearl measuring 12-13 MM
Category
2010s Contemporary Drop Necklaces
Materials
Diamond, Pearl, White Gold
Diamond Drop Swirl Earrings 2 Carats G VS2 18 Karat White Gold 12 Grams
By Harbor Diamonds
Located in New York, NY
Diamond swirl earrings featuring 84 round brilliants weighing 2 carats, in 18 Karat White Gold
Category
2010s Contemporary Drop Earrings
Materials
Diamond, 18k Gold, White Gold
South Sea Pearl Diamond Drop Earrings 0.61 Carats 18 Karat Yellow Gold 12-13MM
By Harbor Diamonds
Located in New York, NY
18 Karat Yellow Gold drop earrings featuring 38 round brilliants weighing 0.61 carats and two South
Category
2010s Contemporary Drop Earrings
Materials
Diamond, South Sea Pearl, 18k Gold, Yellow Gold
Free Shipping
W 0.45 in L 0.88 in
Tahitian Pearl Diamond Bangle Bracelet 0.12 Carats 11-12 MM 18 Karat White Gold
By Harbor Diamonds
Located in New York, NY
18 Karat white gold bangle bracelet featuring 32 round brilliants weighing 0.12 carats and one grey
Category
2010s American Contemporary Bangles
Materials
Diamond, Pearl, Cultured Pearl, 18k Gold, White Gold
18 Karat White Gold Diamond South Sea Open Bangle Cuff 0.40 Carats 12-13 MM
By Harbor Diamonds
Located in New York, NY
18 Karat White gold open cuff bangle featuring one South Sea Pearl measuring 12-13 MM and a diamond
Category
2010s Contemporary Cuff Bracelets
Materials
Diamond, 18k Gold, White Gold
South Sea Pearl Diamond Drop Earrings 0.60 Carats 12-13 MM 18 Karat Rose Gold
By Harbor Diamonds
Located in New York, NY
18 Karat rose gold drop earrings featuring two South Sea Pearls measuring 12-13 mm with 8 round
Category
21st Century and Contemporary Unknown Contemporary Dangle Earrings
Materials
Diamond, South Sea Pearl, 18k Gold, Rose Gold
South Sea Pearl Diamond Drop Earrings 0.61 Carats 18 Karat White Gold 12-13 MM
By Harbor Diamonds
Located in New York, NY
18 Karat White Gold drop earrings featuring 38 round brilliants weighing 0.61 carats and two South
Category
2010s Contemporary Drop Earrings
Materials
Diamond, South Sea Pearl, 18k Gold, White Gold
Free Shipping
L 0.88 in
Tahitian Pearl Diamond Drop Bar Earrings 0.63 Carat 18 Karat White Gold 12-13 MM
By Harbor Diamonds
Located in New York, NY
18K White gold drop earrings featuring two Tahitian pearls measuring 12-13 mm with a diamond bar
Category
2010s Contemporary Drop Earrings
Materials
Diamond, Pearl, 18k Gold, White Gold
Free Shipping
L 2.13 in
14 Karat Yellow Gold Diamond South Sea Pearl Open Bangle 0.13 Carats 11-12 MM
By Harbor Diamonds
Located in New York, NY
14 Karat Yellow Gold open bracelet cuff featuring 37 round brilliants weighing 0.13 Carats and one
Category
2010s Contemporary Cuff Bracelets
Materials
Diamond, South Sea Pearl, 14k Gold, Yellow Gold
Free Shipping
Dm 2.38 in
Diamond South Sea Pearl Drop Earrings 0.37 Carats 11-12 MM 18 Karat Rose Gold
By Harbor Diamonds
Located in New York, NY
18 Karat rose gold drop earrings featuring two South Sea Pearls measuring 11-12 MM and 42 round
Category
2010s Contemporary Drop Earrings
Materials
Diamond, South Sea Pearl, 18k Gold, Rose Gold, White Gold, Yellow Gold
South Sea Pearl Diamond Drop Bar Earrings 0.63 Carat 18 Karat Rose Gold 12-13 MM
By Harbor Diamonds
Located in New York, NY
18K Rose gold drop earrings featuring two South Sea pearls measuring 12-13 mm with a diamond bar
Category
2010s American Contemporary Drop Earrings
Materials
Diamond, South Sea Pearl, Rose Gold
South Sea Pearl Diamond Drop Earrings 0.76 Carat 18 Karat Rose Gold 11-12 MM
By Harbor Diamonds
Located in New York, NY
Pearls measuring 11-12 mm.
Pearl luster: AA
Pearl Quality: AA
Category
21st Century and Contemporary American Contemporary Dangle Earrings
Materials
Diamond, South Sea Pearl, 18k Gold, Rose Gold
18 Karat Two Tone Diamond Link Bracelet 25 Grams
By Harbor Diamonds
Located in New York, NY
18 Karat Yellow & White gold bracelet featuring 6 diamond links weighing approximately 0.60 carats
Category
Vintage 1980s Contemporary Link Bracelets
Materials
Diamond, 18k Gold
South Sea Diamond Drop Earrings, 1.40 Carat 18 Karat
By Harbor Diamonds
Located in New York, NY
South Sea pearl drop earrings featuring 10 pear shape diamonds weighing 1.40 carats, in 18k white
Category
2010s American Contemporary Drop Earrings
Materials
Diamond, White Gold
Amethyst Diamond Rhodonite Pearl Earrings 3.10 Carat 18 Karat
By Harbor Diamonds
Located in New York, NY
18K White Gold drop earrings featuring two pearls measuring 12-13 mm with diamonds, 0.50 carats
Category
2010s American Contemporary Drop Earrings
Materials
Amethyst, Diamond, Pearl, White Gold
Diamond Drop Earrings 4.35 Carat 18 Karat White Gold
By Harbor Diamonds
Located in New York, NY
18K White gold drop earrings featuring 170 round brilliants weighing 2.41 carats and 12 round
Category
2010s American Contemporary Drop Earrings
Materials
Diamond, White Gold
Italian Flat Paperclip Link Bracelet Diamond Clasp 14 Karat White Gold
By Harbor Diamonds
Located in New York, NY
Made in Italy, this 14 karat yellow gold features 12 flat paperclip links with one white gold
Category
21st Century and Contemporary Italian Contemporary Link Bracelets
Materials
Diamond, 14k Gold, White Gold
18 Karat White Gold Tahitian Pearl Diamond Floral Bangle 0.07 Carats
By Harbor Diamonds
Located in New York, NY
18 Karat White Gold open cuff bangle featuring one Tahitian Pearl measuring 11-12 MM and one floral
Category
2010s Contemporary Bangles
Materials
Diamond, Pearl, 14k Gold, White Gold
18 Karat Rose Gold Pink Freshwater Pearl Diamond Earring 0.27 Carats
By Harbor Diamonds
Located in New York, NY
18 Karat Rose Gold stud earring featuring one Pink Freshwater Pearl measuring 12-13 MM with 2 round
Category
2010s Contemporary Stud Earrings
Materials
Diamond, Freshwater Pearl, 18k Gold, Rose Gold
18 Karat White Gold Diamond South Sea Drop Earrings 0.16 Carats
By Harbor Diamonds
Located in New York, NY
18 Karat White Gold drop earrings featuring 14 round brilliants weighing 0.16 Carats and two South
Category
2010s Contemporary Drop Earrings
Materials
Diamond, 18k Gold, White Gold
Emerald Diamond Halo Floral Link Bracelet 10.96 Carats 18 Karat White Gold
By Harbor Diamonds
Located in New York, NY
Alternating Emerald and Diamond link bracelet containing 12 Emeralds weighing 5.48 Carats and 254
Category
2010s Contemporary Modern Bracelets
Materials
Diamond, Emerald, 18k Gold, White Gold
Free Shipping
W 0.3 in L 7.25 in
18 Karat Rose Gold Morganite Diamond Pearl Drop Earrings 2.80 Carats
By Harbor Diamonds
Located in New York, NY
18 Karat Rose gold drop earrings featuring two Pear shape Morganite weighing 2.04 carats flanked
Category
2010s Contemporary Drop Earrings
Materials
Diamond, Morganite, Pearl, 18k Gold, Rose Gold
Diamond Cluster Floral South Sea Pearl Drop Earrings 1.03 Carats 18 Karat
By Harbor Diamonds
Located in New York, NY
18 Karat White Gold drop earrings featuring a floral diamond cluster weighing 1.03 Carats with two
Category
2010s Contemporary Drop Earrings
Materials
Diamond, South Sea Pearl, 18k Gold, White Gold
18 Karat White Gold Diamond Tahitian Pearl Drop Earrings 0.58 Carats
By Harbor Diamonds
Located in New York, NY
18 Karat white gold drop earrings featuring round brilliants weighing 0.58 carats and two Tahitian
Category
2010s Contemporary Drop Earrings
Materials
Diamond, Pearl, 18k Gold, White Gold
Tahitian Pearl Diamond Drop Earrings 0.57 Carat 18 Karat White Gold
By Harbor Diamonds
Located in New York, NY
18K White gold drop earrings featuring two grey Tahitian Pearls measuring 12-13 mm with 56 round
Category
2010s American Contemporary Drop Earrings
Materials
Diamond, Pearl, White Gold
Tahitian Pearl Diamond Drop Earrings 0.37 Carat 18 Karat White Gold
By Harbor Diamonds
Located in New York, NY
18K White gold drop earrings featuring two Tahitian pearls measuring 11-12 MM flanked with 68 round
Category
2010s American Contemporary Drop Earrings
Materials
Pearl, Diamond, White Gold
18 Karat Tahitian Pearl South Sea Diamond Fashion Ring 0.50 Carats
By Harbor Diamonds
Located in New York, NY
18 Karat white gold fashion ring featuring one Tahitian pearl measuring 12 MM and one South Sea
Category
2010s Contemporary Fashion Rings
Materials
Diamond, Pearl, South Sea Pearl, White Gold
18 Karat Yellow Gold South Sea Pearl Diamond Tassel Necklace 0.27 Carats
By Harbor Diamonds
Located in New York, NY
18 Karat Yellow Gold tassel necklace featuring a White & Golden South Sea pearls measuring 12-13 mm
Category
2010s Contemporary Multi-Strand Necklaces
Materials
Diamond, South Sea Pearl, 18k Gold, Yellow Gold
Tahitian Pearl Diamond Drop Earrings 0.45 Carat 18 Karat White Gold
By Harbor Diamonds
Located in New York, NY
18K White gold drop earrings featuring two Grey Tahitian pearls measuring 11-12 mm and 54 round
Category
2010s American Contemporary Drop Earrings
Materials
Diamond, Pearl, White Gold
South Sea Pearl Tahitian Diamond Lariat Necklace 18 Karat White Gold
By Harbor Diamonds
Located in New York, NY
18 Karat White gold chain featuring two Pearls, one South Sea & one Tahitian measuring 12-13 MM
Category
21st Century and Contemporary American Contemporary Beaded Necklaces
Materials
Diamond, South Sea Pearl, White Gold, 18k Gold
Vintage Diamond Pearl Drop Earrings 4.50 Carats 18 Karat White Gold
By Harbor Diamonds
Located in New York, NY
Circa 1950's drop earrings featuring numerous round diamonds and baguettes weighing approximately
Category
Vintage 1950s American Drop Earrings
Materials
Diamond, Pearl, White Gold
18 Karat White Gold Diamond Ribbon South Sea Pearl Earrings .057 Carats
By Harbor Diamonds
Located in New York, NY
18 Karat White Gold drop earrings featuring a diamond ribbon motif containing 52 diamonds weighing
Category
2010s Contemporary Drop Earrings
Materials
Diamond, South Sea Pearl, 18k Gold, White Gold
Free Shipping
W 0.25 in L 1.25 in
Tahitian Pearl Diamond Drop Earrings 0.26 Carat 18 Karat White Gold
By Harbor Diamonds
Located in New York, NY
18K White gold drop earrings featuring two Tahitian pearls measuring 11-12 mm with 44 round
Category
2010s American Contemporary Drop Earrings
Materials
Diamond, Pearl, White Gold
South Sea Pearl and Tahitian Diamond Earrings 0.32 Carats 18 Karat
By Harbor Diamonds
Located in New York, NY
pearl with 4 round brilliants weighing 0.32 carats.
Color G-H
Clarity SI
Pearls measure 12-14 mm
Category
2010s American Contemporary Drop Earrings
Materials
Diamond, South Sea Pearl, White Gold
Tahitian Pearl Diamond Drop Earrings 1.08 Carat 18 Karat White Gold
By Harbor Diamonds
Located in New York, NY
18k White gold drop earrings featuring two Tahitian pearls measuring 12-13 mm and 64 round
Category
2010s American Contemporary Drop Earrings
Materials
Diamond, Pearl, White Gold
South Sea Diamond Drop Earrings 0.60 Carat 18 Karat Yellow Gold
By Harbor Diamonds
Located in New York, NY
pearls measuring 12-13 mm.
Category
2010s American Contemporary Drop Earrings
Materials
Diamond, South Sea Pearl, 18k Gold
South Sea Pearl Diamond Bangle Bracelet 0.19 Carats 14 Karat White Gold
By Harbor Diamonds
Located in New York, NY
14 Karat White gold bangle bracelet featuring two South Sea Pearls measuring 11-12 mm with diamond
Category
2010s American Contemporary Bangles
Materials
Diamond, South Sea Pearl, 14k Gold, White Gold
18 Karat White Gold Diamond Drop South Sea Pearl Earrings 1.14 Carats
By Harbor Diamonds
Located in New York, NY
18 Karat White Gold drop earrings featuring 104 round brilliants weighing 1.14 carats and two South
Category
2010s Contemporary Drop Earrings
Materials
Diamond, South Sea Pearl, 18k Gold, White Gold
South Sea Pearl Diamond Bangle Bracelet 0.13 Carats 18 Karat White Gold
By Harbor Diamonds
Located in New York, NY
18 Karat White gold bangle bracelet featuring one South Sea Pearl measuring 11-12 MM with a diamond
Category
2010s American Contemporary Bangles
Materials
Diamond, South Sea Pearl, 18k Gold, White Gold
18 Karat White Gold Sapphire Diamond Floral Drop Day & Night Earring 2.45 Carats
By Harbor Diamonds
Located in New York, NY
18 Karat white gold earrings featuring two blue Sapphires weighing 1.45 carats flanked with round
Category
2010s Contemporary Drop Earrings
Materials
Diamond, Sapphire, White Gold
Free Shipping
W 0.5 in L 1.25 in
South Sea Pearl Diamond Drop Earrings 0.97 Carats 18 Karat White Gold
By Harbor Diamonds
Located in New York, NY
18 Karat White Gold drop earrings featuring 144 round brilliants weighing 0.97 carats with two
Category
2010s Contemporary Drop Earrings
Materials
Diamond, South Sea Pearl, 18k Gold, White Gold
Morganite South Sea Pearl Diamond Earrings 2.53 Carat 18 Karat Rose Gold
By Harbor Diamonds
Located in New York, NY
brilliants weighing 0.50 carats and two south sea pearls measuring 12-13mm.
Category
2010s American Contemporary Drop Earrings
Materials
Diamond, Morganite, Rose Gold
14 Karat White Gold Diamond South Sea Pearl Open Bangle 0.13 Carats
By Harbor Diamonds
Located in New York, NY
14 Karat White Gold open bracelet cuff featuring 37 round brilliants weighing 0.13 Carats and one
Category
2010s Contemporary Cuff Bracelets
Materials
Diamond, South Sea Pearl, 14k Gold, White Gold
Tahitian Pearl Diamond Starfish Pendant Necklace 0.13 Carat 18 Karat White Gold
By Harbor Diamonds
Located in New York, NY
18K White gold pendant necklace featuring one diamond starfish motif weighing 0.13 carats and a
Category
2010s American Contemporary Pendant Necklaces
Materials
Diamond, Pearl, White Gold
Free Shipping
H 0.88 in L 16 in
Diamond Cluster Tahitian Pearl Drop Earrings 0.77 Carat 18 Karat White Gold
By Harbor Diamonds
Located in New York, NY
18K White gold drop earrings featuring two Tahitian Pearls measuring 11-12 mm with 8 round
Category
2010s American Contemporary Drop Earrings
Materials
Diamond, Pearl, White Gold
South Sea Pearl Diamond Drop Earrings 2.30 Carat 14 Karat White Gold
By Harbor Diamonds
Located in New York, NY
14K White gold drop earrings featuring four South Sea Pearls measuring 12-16 mm with 16 diamonds on
Category
2010s American Contemporary Drop Earrings
Materials
Diamond, South Sea Pearl, White Gold
South Sea Pearl Diamond Drop Earrings 0.47 Carat 18 Karat White Gold
By Harbor Diamonds
Located in New York, NY
Pearl upon request. Price subject to change.
Measurements:
Diamond Ball: 7.4 MM
South Sea Pearl: 12-13
Category
2010s American Contemporary Drop Earrings
Materials
South Sea Pearl, Diamond, White Gold
South Sea Pearl Diamond Drop Earrings 1.12 Carat 18 Karat White Gold
By Harbor Diamonds
Located in New York, NY
18K White gold drop earrings featuring two South Sea Pearls measuring 12-13 mm with a diamond top
Category
2010s American Contemporary Drop Earrings
Materials
Diamond, South Sea Pearl, White Gold
South Sea Pearl Diamond Drop Earrings 0.58 Carats 18 Karat White Gold
By Harbor Diamonds
Located in New York, NY
18 Karat White Gold drop earrings featuring two South Sea Pearls measuring 11-12 mm flanked with 68
Category
2010s American Contemporary Drop Earrings
Materials
South Sea Pearl, Diamond, 18k Gold, White Gold
18 Karat White Gold Tahitian Three Row Diamond Drop Hoop Earrings 0.78 Carats
By Harbor Diamonds
Located in New York, NY
18 Karat White Gold drop earrings featuring 44 round brilliants weighing 0.78 Carats and two
Category
2010s Contemporary Drop Earrings
Materials
Diamond, 18k Gold, White Gold
18 Karat White Gold South Sea Pearl Diamond X Ring 0.76 Carats
By Harbor Diamonds
Located in New York, NY
18 Karat White gold fashion X design ring featuring one white South Sea Pearl measuring 11-12 MM
Category
2010s Contemporary Fashion Rings
Materials
Diamond, South Sea Pearl, 18k Gold, White Gold
South Sea Pearl Diamond Drop Earrings 1.53 Carat 18 Karat White Gold
By Harbor Diamonds
Located in New York, NY
18K White gold drop earrings featuring two South Sea Pearls measuring 12-13 mm with 42 round
Category
2010s American Contemporary Drop Earrings
Materials
Diamond, South Sea Pearl, White Gold
South Sea Pearl Diamond Drop Earrings 0.45 Carat 18 Karat White Gold
By Harbor Diamonds
Located in New York, NY
Pearls measuring 11-12 mm.
Color G
Clarity SI
Pearl can be changed to Pink, Golden or Tahitian upon
Category
2010s American Contemporary Drop Earrings
Materials
South Sea Pearl, Diamond, White Gold
14 Karat White Gold Petal Diamond South Sea Pearl Drop Earrings 0.24 Carats
By Harbor Diamonds
Located in New York, NY
14 Karat White Gold floral motif drop earrings featuring 24 round brilliants weighing 0.24 carats
Category
2010s Contemporary Drop Earrings
Materials
Diamond, South Sea Pearl, 18k Gold, White Gold
Free Shipping
W 0.4 in L 1.25 in
Tahitian Pearl Diamond Drop Earrings 0.61 Carat 18 Karat Yellow Gold 11-12MM
By Harbor Diamonds
Located in New York, NY
18K Yellow gold drop earrings featuring two Tahitian pearls measuring 11-12 mm flanked with 34
Category
2010s American Contemporary Drop Earrings
Materials
Diamond, Pearl, Yellow Gold
Tahitian Pearl Diamond Heart Drop Earrings 0.47 Carat 18 Karat White Gold
By Harbor Diamonds
Located in New York, NY
18K White gold drop earrings featuring two Tahitian pearls measuring 12-13 mm with 58 round
Category
2010s American Contemporary Drop Earrings
Materials
Diamond, Pearl, White Gold
South Sea Pearl Diamond Drop Earrings 0.48 Carat 18 Karat White Gold
By Harbor Diamonds
Located in New York, NY
18K White gold drop earrings featuring two South Sea Pearls measuring 12-13 mm with 74 round
Category
2010s American Contemporary Drop Earrings
Materials
Diamond, South Sea Pearl, White Gold
South Sea Pearl Diamond Bar Drop Earrings 0.45 Carat 18 Karat White Gold
By Harbor Diamonds
Located in New York, NY
18K White gold drop earrings featuring two South Sea Pearls measuring 11-12 mm with a diamond top
Category
2010s American Contemporary Drop Earrings
Materials
Diamond, South Sea Pearl, White Gold
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12 Karat Diamond For Sale on 1stDibs
On 1stDibs, you can find the most appropriate 12 karat diamond for your needs in our varied inventory. Each design created in this style — which was crafted with great care and often made from gold, 18k gold and white gold — can elevate any look. In our selection of items, you can find a vintage example as well as a contemporary version. Making the right choice when shopping for a 12 karat diamond may mean carefully reviewing examples of this item dating from different eras — you can find an early iteration of this piece from the 18th Century and a newer version made as recently as the 21st Century, both of which have proven very popular over the years. As it relates to this specific piece, our collection includes designs that are universally popular, but .5 carat and 1 carat carat weights, specifically, are sought with frequency. A 12 karat diamond from Meghna Jewels, LB Exclusive and Cartier — each of whom created a beautiful version of this treasured accessory — is worth considering. Take a look at a 12 karat diamond featuring diamond from our inventory today to add the perfect touch to your look. A round cut version of this piece has appeal, but there are also oval cut and brilliant cut versions for sale. Finding a 12 karat diamond for sale for women should be easy, but there are 4585 pieces available to browse for unisex as well as men, too.
How Much is a 12 Karat Diamond?
Prices for a 12 karat diamond can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $95 and can go as high as $1,575,000, while this accessory, on average, fetches $3,471.
Questions About 12 Karat Diamond
- How big is a 12 carat diamond?1 Answer1stDibs ExpertFebruary 22, 2021The size of a 12 carat diamond is dependent on diamond cut. A 12 carat round diamond is roughly 15 mm in size.
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