Solitaire Diamond 12 Karat
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Delightful Cabochon Ruby and Diamond Solitaire Ring in 18 Karat
Located in Wailea, HI
Delightful Cabochon Ruby and Diamond Solitaire Ring in 18k
One Cabochon Ruby weighing 1.12 carats
Category
Late 20th Century American Modern Solitaire Rings
Materials
White Diamond, Ruby
14 Karat Gold Aquamarine Ring / Round Diamond Ring / Solitaire Ring
By JEWELICK
Located in Jaipur, RJ
Diamond (H-I) (SI): 10 pcs 0.2 MM
• Round Diamond (H-I) (SI): 12 pcs 0.7 MM
• Total CTW: 1.050 ctw
If you
Category
2010s Indian Modern Solitaire Rings
Materials
Aquamarine, Diamond, Gold, 14k Gold
Amethyst and Diamond 10 Karat Yellow Gold Ring, Solitaire Prong Setting
Located in Milford, DE
/4
Hallmarks: 10K
Amethyst size: 8 x 6 mm
Diamond (12) total carat weight approx .23 ct
Category
Late 20th Century Solitaire Rings
Materials
Amethyst, Diamond, 10k Gold
Georgios Collections 18 Karat Yellow Gold Solitaire Blue and White Diamond Ring
By Georgios Collections Inc
Located in Astoria, NY
This is a stunning S.Georgios designer Solitaire Ring in Yellow Gold 18 Karat all decorated with a
Category
21st Century and Contemporary Greek Byzantine Solitaire Rings
Materials
Blue Diamond, Diamond, White Diamond, Gold, 18k Gold, Yellow Gold
1.65 Carat Padparadscha Sapphire Solitaire & Baguette Diamond 18 Karat Gold Ring
Located in METAIRIE, LA
Containing 1 Central Bezel set 1.65 carat Oval cut Natural Padparadscha Sapphire solitaire at 7.7mm
Category
Vintage 1970s Solitaire Rings
Materials
Diamond, Sapphire, Yellow Gold, 18k Gold
14 Karat Gold Round Swiss Topaz Ring / Diamond Ring / Solitaire Ring
By JEWELICK
Located in Jaipur, RJ
• Round Diamond (H-I) (SI): 10 pcs 2 MM
• Round Diamond (H-I) (SI): 12 pcs 1.7 MM
• Total CTW: 1.10 ctw
Category
2010s Indian Modern Solitaire Rings
Materials
Diamond, Topaz, Gold, 14k Gold
14 Karat Gold Citrine Ring / Diamond Solitaire Ring / Ring for Her
By JEWELICK
Located in Jaipur, RJ
Diamond (H-I) (SI): 10 pcs 2 MM
• Round Diamond (H-I) (SI): 12 pcs 1.7 MM
• Total CTW: 1.10 ctw
If you
Category
2010s Indian Modern Solitaire Rings
Materials
Diamond, Citrine, Gold, 14k Gold
14 Karat Gold Tanzanite Ring / Diamond Solitaire Ring / Ring for Her
By JEWELICK
Located in Jaipur, RJ
Diamond (H-I) (SI): 10 pcs 2 MM
• Round Diamond (H-I) (SI): 12 pcs 1.7 MM
• Total CTW: 1.00 ctw
If you
Category
2010s Indian Modern Solitaire Rings
Materials
Diamond, Tanzanite, 14k Gold, Gold
14 Karat Gold Tanzanite Ring / Diamond Solitaire Ring / Ring for Her
By JEWELICK
Located in Jaipur, RJ
Diamond (H-I) (SI): 12 pcs 1.5 MM
• Total CTW: 0.650 ctw
If you have any additional questions about this
Category
2010s Indian Modern Solitaire Rings
Materials
Diamond, Tanzanite, Gold, 14k Gold
14 Karat Gold Swiss Topaz Ring / Round Diamond Ring / Solitaire Ring
By JEWELICK
Located in Jaipur, RJ
Diamond (H-I) (SI): 12 pcs 1.5 MM
• Total CTW: 0.650 ctw
If you have any additional questions about this
Category
2010s Indian Modern Solitaire Rings
Materials
Diamond, Topaz, Gold, 14k Gold
14 Karat Gold Round Pink Sapphire Ring / Diamond Ring / Solitaire Ring
By JEWELICK
Located in Jaipur, RJ
Diamond (H-I) (SI): 10 pcs 2 MM
• Round Diamond (H-I) (SI): 12 pcs 1.7 MM
• Total CTW: 1.2 ctw
If you
Category
2010s Indian Modern Solitaire Rings
Materials
Diamond, Pink Sapphire, Gold, 14k Gold
Alex Jona Blue Sapphire White Diamond 18 Karat Yellow Gold Solitaire Ring
By Alex Jona
Located in Torino, IT
Alex Jona design collection, hand crafted in Italy, 18 karat yellow gold ring centering a blue
Category
2010s Italian Solitaire Rings
Materials
Diamond, White Diamond, Blue Sapphire, 18k Gold, Yellow Gold
Alex Jona Pink Sapphire White Diamond 18 Karat Rose Gold Solitaire Ring
By Alex Jona
Located in Torino, IT
Alex Jona design collection, hand crafted in Italy, 18 karat yellow gold ring centering a pink
Category
2010s Italian Solitaire Rings
Materials
White Diamond, Pink Sapphire, 18k Gold, Rose Gold
14 Karat Gold Pink Tourmaline Ring / Diamond Solitaire Ring / Ring for Her
By JEWELICK
Located in Jaipur, RJ
• Round Diamond (H-I) (SI): 12 pcs 1.5MM
• Total CTW: 0.550 ctw
If you have any additional questions
Category
2010s Indian Modern Solitaire Rings
Materials
Diamond, Tourmaline, Gold, 14k Gold
Luxurious 18 Karat White Gold Ring with Large Emerald and 12 Diamonds
Located in Berlin, DE
Luxurious 18 Karat white gold ring with large emerald and 12 diamonds
The diamonds are of very
Category
20th Century Solitaire Rings
Materials
Diamond, White Diamond, Emerald, 18k Gold, White Gold
14 Karat Gold 5MM Round Garnet Ring / 1.5MM Round Diamond Ring / Solitaire Ring
By JEWELICK
Located in Jaipur, RJ
Diamond (H-I) (SI): 12 pcs 1.5 MM
• Total CTW: 0.750 ctw
If you have any additional questions about this
Category
2010s Indian Modern Solitaire Rings
Materials
Diamond, Garnet, Gold, 14k Gold
14 Karat Gold 5MM Round Peridot Ring / 1.5MM Round Diamond Ring / Solitaire Ring
By JEWELICK
Located in Jaipur, RJ
Diamond (H-I) (SI): 12 pcs 1.5 MM
• Total CTW: 0.65 ctw
If you have any additional questions about this
Category
2010s Indian Modern Solitaire Rings
Materials
Peridot, Diamond, Gold, 14k Gold
1 Carat Ruby and Black Diamond Solitaire Ring Set in 18 Karat Yellow Gold
Located in London, GB
centre complemented with 12 shimmering shoulder black diamonds. Made in 18k yellow gold with the blossom
Category
2010s British Contemporary Solitaire Rings
Materials
Black Diamond, Ruby, 18k Gold, Yellow Gold
14 Karat Gold Round 5 MM Moissanite Ring / 2 MM Diamond Ring / Solitaire Ring
By JEWELICK
Located in Jaipur, RJ
Diamond (H-I) (SI): 10 pcs 2 MM
• Round Diamond (H-I) (SI): 12 pcs 1.7 MM
• Total CTW: 1.000 ctw
If you
Category
2010s Indian Modern Solitaire Rings
Materials
Diamond, Gold, 14k Gold
14 Karat Gold 5MM Round Garnet Ring / 2 MM Round Diamond Ring / Solitaire Ring
By JEWELICK
Located in Jaipur, RJ
Diamond (H-I) (SI): 10 pcs 2 MM
• Round Diamond (H-I) (SI): 12 pcs 1.7 MM
• Total CTW: 1.20 ctw
If you
Category
2010s Indian Modern Solitaire Rings
Materials
Diamond, Garnet, Gold, 14k Gold
14 Karat Gold 5 MM Sapphire Ring / 2 MM Round Diamond Ring / Solitaire Ring
By JEWELICK
Located in Jaipur, RJ
Diamond (H-I) (SI): 10 pcs 2 MM
• Round Diamond (H-I) (SI): 12 pcs 1.7 MM
• Total CTW: 1.20ctw
If you
Category
2010s Indian Modern Solitaire Rings
Materials
Diamond, Sapphire, Gold, 14k Gold
14 Karat Gold Round 5 MM Blue Sapphire Ring / 2 MM Diamond Ring / Solitaire Ring
By JEWELICK
Located in Jaipur, RJ
Diamond (H-I) (SI): 10 pcs 2 MM
• Round Diamond (H-I) (SI): 12 pcs 1.7 MM
• Total CTW: 1.050 ctw
If you
Category
2010s Indian Modern Solitaire Rings
Materials
Diamond, Blue Sapphire, Gold, 14k Gold
Oval 12 Carat Treated Ruby and 1 Carat Diamond 14 Karat Yellow Gold Ring
Located in New York, NY
Diamond Brilliant cut approximately 1 ct ,
Its a treated ruby prong set
14 Karat Yellow Gold: 8.1 gram
Category
2010s Solitaire Rings
Materials
Diamond, Ruby, 14k Gold, Yellow Gold
Antique 1.18 Carat Diamond and Yellow Gold Solitaire Ring
Located in Jesmond, Newcastle Upon Tyne
A stunning, fine and impressive 1.18 carat diamond, 12 karat yellow gold and platinum set
Category
Vintage 1920s Unknown Solitaire Rings
Materials
Diamond, Yellow Gold
Alex Jona White White Diamond Yellow Gold Solitaire Band Ring
By Alex Jona
Located in Torino, IT
Alex Jona design collection, hand crafted in Italy, 18 karat yellow gold solitaire band ring
Category
2010s Italian Contemporary Solitaire Rings
Materials
White Diamond, 18k Gold, Yellow Gold
Alex Jona 9.9 Carat Tanzanite White Diamond Gold Solitaire Cocktail Ring
By Alex Jona
Located in Torino, IT
Alex Jona one-of-a-kind collection, hand crafted in Italy, 18 karat white gold solitaire ring
Category
21st Century and Contemporary Italian Solitaire Rings
Materials
Tanzanite, White Diamond, 18k Gold, White Gold, Gold
Vintage 12 Ct Natural Carved Emerald & 1.5 Ct Diamond Ring 18 Kt Yellow Gold
Located in New York, NY
Vintage 18 Karat Yellow Gold Ring Size 6.5 featuring a single solitaire natural carved emerald
Category
Early 2000s Solitaire Rings
Materials
Diamond, Emerald, 14k Gold, Yellow Gold
12 Ct Natural Marquis Ruby & 0.75 Ct Diamond 18 Kt White Gold Ball Ring Size 6
Located in New York, NY
12 Ct Natural Marquis Ruby & 0.75 Ct Diamond 18 Kt White Gold Ball Ring Size 6
Introducing our
Category
2010s Solitaire Rings
Materials
Diamond, Ruby, Gold, 18k Gold, White Gold
Diamond and Blue Sapphire Ring in 18 Karat White Gold
Located in Bangkok, TH
A brand new diamond and blue sapphire ring in 18 Karat white gold. This modern vintage ring's
Category
Vintage 1930s Thai Art Deco Solitaire Rings
Materials
Diamond, Blue Sapphire, Gold, 18k Gold, White Gold
Natural Diamond Ring 0.11 Carats 18 Karat Rose Gold Engagement Ring
Located in Antwerpen, BE
At the heart of the ring lies a stunning baguette diamond, radiating a sleek and modern allure. The
Category
2010s Belgian Modern Solitaire Rings
Materials
Diamond, 18k Gold, Rose Gold
Natural Diamond Ring 0.11 Carats 18 Karat Yellow Gold Engagement Ring
Located in Antwerpen, BE
At the heart of the ring lies a stunning baguette diamond, radiating a sleek and modern allure. The
Category
2010s Belgian Modern Solitaire Rings
Materials
Diamond, 18k Gold, Yellow Gold
Natural Diamond Ring 0.11 Carats 18 Karat White Gold Engagement Ring
Located in Antwerpen, BE
At the heart of the ring lies a stunning baguette diamond, radiating a sleek and modern allure. The
Category
2010s Belgian Modern Solitaire Rings
Materials
Diamond, 18k Gold, White Gold
GIA Certified Blue 7.2 Carat Aquamarine Diamond 18 Karat Gold Ring
Located in Wallkill, NY
cut, Surrounded by 12 Diamonds Approximately 1/2 Carat, 3 on each angle. Ring is a size 8-3/4 and can
Category
Vintage 1950s Unknown Solitaire Rings
Materials
Aquamarine, Diamond, 18k Gold, Gold, Yellow Gold
GIA Certified 13.33 C Natural No Heat Sapphire Diamond Ring Unheated 14 Karat
Located in New York, NY
: 5182922381
Emerald cut: 13.12 X 11.78 X 8.31mm
Transparent, Blue
2.00ct. Side natural Round diamonds
F
Category
2010s American Solitaire Rings
Materials
Diamond, Blue Sapphire, 14k Gold, White Gold
Estate Opal Triplet Cabochon Solitaire 1970s Cathedral Ring 14K Yellow Gold
Located in Austin, TX
ring is also lightweight yet sturdy! The opal triplet measures 12 mm long by 10 mm wide and would look
Category
Late 20th Century American Contemporary Solitaire Rings
Materials
Opal, 14k Gold, Yellow Gold
1960s Malaya Garnet 18 Karat Yellow Gold Band Ring
Located in Poitiers, FR
Ring in 18 karat yellow gold, eagle head hallmark.
A delightful band ring, the band is decorated
Category
Vintage 1960s French Retro Solitaire Rings
Materials
Garnet, Gold, 18k Gold, Yellow Gold
Alex Jona Tsavorite 18 Karat White Gold Band Ring
By Alex Jona
Located in Torino, IT
Alex Jona design collection, hand crafted in Italy, 18 karat white gold band ring set with a
Category
21st Century and Contemporary Italian Solitaire Rings
Materials
Tsavorite, 18k Gold, White Gold
Alex Jona Aquamarine White Diamond White Gold Halo Ring
By Alex Jona
Located in Torino, IT
Alex Jona design collection, hand crafted in Italy, 18 karat white gold solitaire ring showcasing a
Category
2010s Italian Contemporary Solitaire Rings
Materials
Aquamarine, White Diamond, 18k Gold, White Gold
Antique French Diamond and Yellow Gold Gent's Ring, circa 1920
Located in Jesmond, Newcastle Upon Tyne
A stunning, fine and impressive antique French 0.64 carat diamond and 12 karat yellow gold gent's
Category
Vintage 1920s French Solitaire Rings
Materials
Diamond, Yellow Gold
Ladies 14k White Gold Semi Mount Halo Diamond Engagement Ring
Located in Houston, TX
of wear.
Pavé set in 14 Karat White Gold with:
Fifty-two (52) round brilliant cut natural diamonds
Category
21st Century and Contemporary Unknown Solitaire Rings
Materials
Diamond, 14k Gold, White Gold
Ladies 18K White Gold Accented Diamond Round Semi Mount Engagement Ring
Located in Houston, TX
signs of wear.
Pavé set in 18 Karat White Gold with:
Twelve (12) round brilliant cut natural diamonds
Category
21st Century and Contemporary Unknown Solitaire Rings
Materials
Diamond, Gold, 18k Gold, White Gold
GIA Certified 3.03ct No Heat Natural Ruby Diamond Ring 18kt Classic Halo
Located in New York, NY
certificate to accompany.
.50ct natural side round diamonds.
F-G-color, vs2-clarity
18 karat white gold
Category
2010s American Solitaire Rings
Materials
Diamond, Ruby, 18k Gold, White Gold
GIA Certified 3.48 Carat Natural Color Change Alexandrite Ruby Diamond Ring
Located in New York, NY
natural diamonds.
G color vs2 clarity.
14 karat white gold
12 grams
Deck of ring measures 15 x 13 mm
Category
2010s American Solitaire Rings
Materials
Diamond, Ruby, Alexandrite, 14k Gold, White Gold
Ladies Tolkowsky Legacy 14k White Gold Semi Mount Halo Diamond Engagement Ring
By Tolkowsky
Located in Houston, TX
of wear.
Pavé set in 14 Karat White Gold with:
Twelve (12) round brilliant cut natural diamonds
Category
21st Century and Contemporary Solitaire Rings
Materials
14k Gold, White Gold
Flamboyant Ring with GIA Certified 7.14ct Brilliant in Rose Gold
Located in Lucerne, CH
solitaire ring is a show- stopper. Made from 18 Karat rose gold, it is majestically crowned with GIA
Category
2010s Swiss Modern Solitaire Rings
Materials
Diamond, Rose Gold, 18k Gold
Diamonds, 18 Karat Rose Gold Engagement/Solitaire Ring
Located in Marcianise, Marcianise (CE)
/solitaire ring created in 18kt rose gold and mounted with a central diamonds of 0.41 ct surrounded by 0.36
Category
Early 2000s Italian Modern Engagement Rings
Materials
Diamond, 18k Gold, Rose Gold
Solitaire Ring Emerald Oval Shape Diamonds White Gold 18 Karat
Located in Vannes, FR
emerald set with 12 diamonds in 18-carat white gold is a true work of jewelry art. Its timeless beauty
Category
20th Century French Romantic Engagement Rings
Materials
Diamond, Emerald, 18k Gold, Yellow Gold
Blue Sapphire, Diamonds, 18 Karat White Gold Engagement/Solitaire Ring
Located in Marcianise, Marcianise (CE)
mounted with a central sapphire of 0.62 ct surrounded by 0.36 ct of white diamonds all around it and on
Category
2010s Italian Modern Engagement Rings
Materials
Diamond, Blue Sapphire, 18k Gold, White Gold
Natural Diamond Ring 1.00cts 18 Karat White Gold 5 Round Diamond Solitaire Ring
Located in Antwerpen, BE
diamonds solitaires. Each solitaire, a symbol of individual brilliance, contributes its unique sparkle to
Category
2010s Belgian Modern Engagement Rings
Materials
Diamond, 18k Gold, White Gold
Natural Diamond 0.35 Carats 18 Karat White Gold Solitaire Engagement Ring
Located in Antwerpen, BE
Introducing the epitome of timeless sophistication, behold the exquisite solitaire engagement ring
Category
2010s Belgian Modern Engagement Rings
Materials
Diamond, 18k Gold, White Gold
Natural Diamond 0.35 Carats 18 Karat Yellow Gold Solitaire Engagement Ring
Located in Antwerpen, BE
Introducing the epitome of timeless sophistication, behold the exquisite solitaire engagement ring
Category
2010s Belgian Modern Engagement Rings
Materials
Diamond, Yellow Gold, 18k Gold
Boucheron 0.47 Carat Diamond 18 Karat White Gold Facet Solitaire Ring
By Boucheron
Located in Tokyo, JP
Brand:BOUCHERON
Name:Facet Solitaire Ring
Material :1P Diamond (D0.47ct E-VVS2-VG), 750 K18 WG
Category
2010s French More Rings
Materials
Diamond, 18k Gold, White Gold
Natural Diamond 1.00 Carats 18 Karat White Gold 5 Solitaire Engagement Ring
Located in Antwerpen, BE
and refined taste.
Adorned with five brilliant natural diamonds totaling 1.00 carats, this ring
Category
2010s Belgian Modern Engagement Rings
Materials
Diamond, 18k Gold, White Gold
Alex Jona 2.52 Carat White Diamond Certified 18 Karat Yellow Gold Solitaire Ring
By Alex Jona
Located in Torino, IT
cut diamond, F color, VVS2 Clarity, HRD certificate. Ring size US 6.5- EU 12. Can be sized to any
Category
21st Century and Contemporary Italian Cocktail Rings
Materials
Diamond, White Diamond, 18k Gold, Yellow Gold
Blue Paraiba Tourmaline Diamond Halo Classic Simple Solitaire 18 Karat Gold Ring
By Galt & Bro. Jewelers
Located in Oakton, VA
12 Carats Genuine Aqua Teal Blue Paraiba Tourmaline
Oval Shape Brilliant Cut Form
15.45 mm length
Category
2010s American Art Deco Cocktail Rings
Materials
Diamond, Tourmaline, Paraiba, Rose Gold, 18k Gold, Gold
Van Cleef & Arpels 1.04 Carat Diamond D-VVS2 18 Karat White Gold Solitaire Ring
By Van Cleef & Arpels
Located in Tokyo, JP
Brand:Van Cleef&Arpels
Name:Diamond Solitaire ring
Material:1P diamond (1.04ct D-VVS2), 750 K18 WG
Category
21st Century and Contemporary French More Rings
Materials
Diamond, White Gold, 18k Gold
Alex Jona Tanzanite 18 Karat White Gold Solitaire Ring
By Alex Jona
Located in Torino, IT
Alex Jona design collection, hand crafted in Italy, 18 karat white gold ring centering a cabochon
Category
21st Century and Contemporary Italian Contemporary Engagement Rings
Materials
Tanzanite, 18k Gold, White Gold
Edwardian 2.16 carat Diamond and 18k Yellow Gold Solitaire Ring
Located in Jesmond, Newcastle Upon Tyne
A stunning, fine, and impressive 2.16 carat diamond and 18 karat yellow gold solitaire ring; part
Category
Vintage 1910s Engagement Rings
Materials
Diamond, 18k Gold, Yellow Gold
Vera Wang Ring Love Collection 0.85 Carat Solitaire Split Shank 18 Karat WG
By Vera Wang
Located in San Diego, CA
VERA WANG Diamond Engagement Ring
Style: Split Shank Solitaire
Metal: 18kt White Gold
Size: 6.25
Category
2010s American Engagement Rings
Materials
Diamond, 18k Gold, White Gold
Ring Wrap Enhancer, Estate Diamond Wedding Band, 12 Diamond Wrap Yellow Gold
Located in Austin, TX
place. The ring is solid 14 karat yellow gold and there are six diamonds on either side.
The details for
Category
2010s American Contemporary Wedding Rings
Materials
Diamond, 14k Gold, Yellow Gold
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Solitaire Diamond 12 Karat For Sale on 1stDibs
Surely you’ll find the exact solitaire diamond 12 karat you’re seeking on 1stDibs — we’ve got a vast assortment for sale. 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. You’re likely to find the perfect solitaire diamond 12 karat among the distinctive items we have available, which includes versions made as long ago as the 19th Century as well as those produced as recently as the 21st Century. Creating a solitaire diamond 12 karat has been a part of the legacy of many jewelers, but those produced by JEWELICK, Vaibhav Dhadda and Alex Jona are consistently popular. A round cut version of this piece has appeal, but there are also oval cut and baguette cut versions for sale. Finding a solitaire diamond 12 karat for sale for women should be easy, but there are 49 pieces available to browse for unisex as well as men, too.
How Much is a Solitaire Diamond 12 Karat?
Prices for a solitaire diamond 12 karat can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $170 and can go as high as $350,000, while this accessory, on average, fetches $2,973.
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