12carat Diamond
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1,258
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1,732
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283
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2
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268
3,035
6,402
89
90
206
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6
368
164
104
98
87
6,931
2,684
166
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58
7,536
4,425
3,035
2,619
1,974
9,182
1,742
1,662
1,032
970
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12 Carat Diamond Broach in Platinum
Located in New York, NY
Gorgeous 12 carat diamond broach in platinum.
The details are as follows :
Diamond weight : 12
Category
2010s Brooches
Materials
Diamond, Platinum
GIA Certified 12 Carat Diamond Fancy Intense Yellow FLAWLESS Clarity
By Antinori Fine Jewels
Located in Rome, IT
GIA Certified 12 Carat Diamond Fancy Intense Yellow Cushion Cut Ring, set in solid platinum
Category
2010s Italian Cocktail Rings
Materials
Diamond, Yellow Diamond, 18k Gold, Yellow Gold, Platinum
Platinum 12 Carat Diamond One Line Tennis Princess and Emerald Cut Bracelet
Located in New York, NY
This is a beautiful Platinum 12 Carat Diamond One Line Tennis Princess And Emerald Cut Bracelet
Category
20th Century American Modern Tennis Bracelets
Materials
Diamond, Platinum
Tanzanite and 12 Carat Diamond Bracelet in 18K Gold, circa 1970
Located in Goettingen, DE
Tanzanite and 12 Carat Diamond Bracelet in 18K Gold, circa 1970
Very distinctive, floral bracelet
Category
Vintage 1970s Link Bracelets
Materials
Diamond, Tanzanite, 18k Gold, Yellow Gold
South Sea Pearl Day & Night with 12 Carat Diamond Cocktail Earrings 18 K Gold
Located in New York, NY
South Sea Pearl Day & Night with 12 Carats Diamond Cocktail Earrings 18 K White Gold ,
Beautiful
Category
Early 20th Century Stud Earrings
Materials
Diamond, South Sea Pearl, 18k Gold
Natural Fine Multi Color Gemstone & Diamond Earrings
Located in Carlsbad, CA
Gemstones = 12 Carats
Diamonds = 0.60 Carats
( Color: F, Clarity: VS )
Metal: 14K Gold
Category
21st Century and Contemporary Unknown Chandelier Earrings
Materials
Diamond, 14k Gold
12 Carat Diamond Platinum Necklace
Located in Bay Harbor Islands, FL
12 carats. It is further set with a natural color yellow diamond weighing approximately 0.50 carats
Category
Vintage 1940s Unknown More Necklaces
Materials
Diamond, Yellow Diamond, Platinum
GRS Certified 12 Carat NO HEAT Burmese Ruby Oval Diamond Ring
By Antinori Fine Jewels
Located in Rome, IT
diamonds in a handmade platinum setting
Ruby total weight 12 carats
Diamond total weight 1 carats
Ring size
Category
2010s Italian Modern Cocktail Rings
Materials
Diamond, White Diamond, Ruby, Platinum
12 Carat Diamond White Gold 750 Necklace
Located in Lucerne, CH
313 brilliant cut diamonds totaling approx. 12 ct of G/H-vs quality. A brilliant piece!
Please, ask
Category
21st Century and Contemporary Italian Contemporary More Necklaces
Materials
White Diamond, Diamond, 18k Gold, White Gold
Art Deco Platinum 12 Carat Diamond Bracelet
Located in New York, NY
Chic & impressive Art Deco platinum and diamond bracelet, circa 1920s. It features approx. 12-13cts
Category
Early 20th Century American Art Deco Link Bracelets
Materials
Diamond, Platinum
.12 Carat Diamond Pearl White Gold Necklace
Located in Stamford, CT
1970's 8.5mm, 18-Inch cultured pearl necklace with double sided 18k white gold diamond catch
Category
Late 20th Century More Necklaces
Materials
Diamond, Pearl, Gold, 18k Gold, White Gold
Platinum Earrings with 12 Ct. Sapphires & 1.3 Ct Diamonds
Located in Antwerp, BE
, triangle cut : 12 Carats
Diamonds: 22 brilliant cut diamonds together approx. 1.3 ct diamonds
Material
Category
20th Century European Artisan Dangle Earrings
Materials
Diamond, Sapphire, Platinum
Cartier Art Deco 12 Carat Diamond Platinum Bracelet
By Cartier
Located in New York, NY
Exquisite Cartier circa 1930s, Art Deco platinum bracelet, with approximately 12 carats in diamonds
Category
20th Century French More Bracelets
Materials
Diamond, Platinum
Art Deco Style 12 Carat Diamond Chandelier Earrings
Located in Santa Barbara, CA
with an astonishing 1/3 carat diamond. The combination of structured, prominent lines with free-flowing
Category
21st Century and Contemporary Art Deco Chandelier Earrings
Materials
Diamond, Platinum
.12 Carat Diamond Rose Gold Wedding Band Ring
Located in Stamford, CT
full cut diamonds.
6 round full cut Diamonds, approx. total weight .12cts, G, VS2
Size 6.75 – sizable
Category
21st Century and Contemporary Wedding Rings
Materials
Diamond, Gold, 14k Gold, Rose Gold
GIA Certified 12 Carat Diamond Fancy Yellow Radiant Ring
By Antinori Fine Jewels
Located in Rome, IT
An exquisite 12 carat fancy yellow radiant cut diamond solitaire ring with two side trillion cut
Category
2010s Unknown Cocktail Rings
Materials
Diamond, Yellow Diamond, Gold, 18k Gold, White Gold
.12 Carat Diamond White Gold Open Heart Pendant Necklace
Located in Stamford, CT
Open heart diamond pendant necklace. 18k white gold open heart pendant with three floating diamonds
Category
21st Century and Contemporary Pendant Necklaces
Materials
Diamond, Gold, 18k Gold, White Gold
.12 Carat Diamond Pearl Rose Gold Star Brooch Pendant
Located in Stamford, CT
Turn of the century, Antique cushion cut diamond natural pearl brooch pendant. 1 old mine cut
Category
Early 20th Century Brooches
Materials
Diamond, Pearl, Gold, 14k Gold, Rose Gold
Crawford .12 Carat Diamond Ruby Rose Gold Ladies Wristwatch
Located in Stamford, CT
Vintage retro 1940’s Crawford 14k rose gold ruby and diamond wristwatch with rose gold double snake
Category
Mid-20th Century Wrist Watches
Materials
Diamond, Ruby, Gold, 14k Gold, Rose Gold
Belais .12 Carat Diamond Art Deco Gold Engagement Ring
Located in Stamford, CT
Belais diamond engagement ring. 18k white gold original Art Deco circa 1920s with highly detailed
Category
Early 20th Century Engagement Rings
Materials
Diamond, Gold, 14k Gold, White Gold
.12 Carat Diamond Pearl Lady in Red Ladies Wristwatch
Located in Stamford, CT
movement. Bright red band.
20 cultured crème color pearls 2.1mm -2.8mm
6 single cut diamonds VS-SI G-H
Category
Mid-20th Century Wrist Watches
Materials
Diamond, Pearl, Cultured Pearl, Gold, 14k Gold, Yellow Gold
Jules Jurgensen Yellow Gold Bracelet Wristwatch with Ruby Accents
Located in Mount Kisco, NY
carats Diamonds total weight and .32 carats Rubies total weight. Movement is 17 Jewel JxJ. In working
Category
Vintage 1950s Swiss Wrist Watches
Materials
Diamond, Ruby, 14k Gold, Yellow Gold
Mushroom Diamond 14k Gold White Enamel Pendant Necklace
By Meghna Jewels
Located in Hoffman Estate, IL
The mushroom pendant is hand set in 14K gold and .12 carat diamonds.
FOLLOW MEGHNA JEWELS
Category
21st Century and Contemporary Unknown Modern Pendant Necklaces
Materials
Diamond, 14k Gold, Enamel
12 Carat Diamond 14K White Gold Prong Set Tennis Bracelet
Located in SECACUS, NJ
A perfect look just for her, this diamond tennis bracelet is certain to take her breath away
Category
21st Century and Contemporary Indian Modern Tennis Bracelets
Materials
Diamond, 14k Gold, White Gold
.12 Carat Diamond Blue Enamel Yellow Gold Swirl Design Earrings
Located in Stamford, CT
Round diamond and blue enamel swirl design earrings in 18k yellow gold.
2 round brilliant cut
Category
Late 20th Century More Earrings
Materials
Diamond, Gold, 18k Gold, Yellow Gold, Enamel
Art Deco Diamond Engagement Ring .12ct Old European Original 1920's Antique 18K
Located in Dearborn, MI
% Natural Diamond
.12 Carat Diamond Weight
Solid 18K White Gold
Circa 1920's-1930's Genuine Antique; Not
Category
Vintage 1930s Art Deco Engagement Rings
Materials
Diamond, 18k Gold, White Gold
12 Carat Diamond, Ruby, Emerald and Sapphire 18K White Gold Bracelet
Located in Miami, FL
Set in 18K White Gold and accented by roughly 12 total carats of matching Diamonds, Emeralds
Category
Late 20th Century Modern Modern Bracelets
Materials
Diamond, White Diamond, Emerald, Ruby, Sapphire, Blue Sapphire, Gold, 18...
David Webb Platinum & 18K Yellow Gold 12 Carat Diamond Crescent Brooch
By David Webb
Located in New York, NY
. This lovely brooch is set with round cut diamonds of approx. 12 carats.
Brooch measures 2.25 inches.
Category
20th Century American Modern Brooches
Materials
Diamond, 18k Gold, Yellow Gold, Platinum
Genuine Jade Ring, Yellow Gold, Genuine Jadeite Jade with Diamonds, Estate Ring
Located in Austin, TX
Diamond Total Weight: .12 Carat
Diamond Quality: SI1 Clarity and H Color
Gemstone: Jade
Gemstone Shape
Category
Vintage 1980s American Contemporary Three-Stone Rings
Materials
Diamond, Jade, Yellow Gold, Gold, 14k Gold
Tiffany & Co Paloma Picasso .12 Carat Diamond Platinum Heart Pendant Necklace
By Paloma Picasso for Tiffany & Co.
Located in Stamford, CT
Iconic Tiffany & Co Paloma Picasso diamond heart pendant necklace. 17 round brilliant cut diamonds
Category
21st Century and Contemporary Pendant Necklaces
Materials
Diamond, Platinum
Vintage 12 Carat Diamond Flower Floral Earrings White Gold Portuguese 1990s
Located in Lisbon, PT
post and omega clip fitting.
Diamonds: 436 stones (approximate counting); estimated 12 carats in total
Category
1990s Portuguese Modern Clip-on Earrings
Materials
Diamond, Gold, 18k Gold, White Gold
Free Shipping
W 1.19 in L 1.19 in
GIA Certified .12 Carat Diamond Amethyst Pearl Art Nouveau Butterfly Brooch
Located in Stamford, CT
1910 Art Nouveau butterfly brooch. 18k yellow gold with silver tops set with 12 rose cut diamonds
Category
Early 20th Century Brooches
Materials
Amethyst, Diamond, Pearl, Gold, 18k Gold, Yellow Gold, Silver
Aquamarine Diamond Halo Ring, 14 Karat White Gold, 1.29 Carat Aqua .12 Diamond
By Five Star Jewelry
Located in Austin, TX
Gold
Diamond Carat Weight: .12 Carats
Diamond Shape: Round
Diamond Clarity: VS2 (Excellent, Eye Clean
Category
2010s American Modern Fashion Rings
Materials
Aquamarine, Diamond, 14k Gold, White Gold, Gold
18 Karat Yellow Gold, .12 Carat Diamond and Enamel Baby Shoe Charm
Located in New York, NY
set with .12 carats of diamonds . The bootie measures approximately 1" from the bale to the toe. Ideal
Category
Early 2000s American Modern Pendant Necklaces
Materials
Diamond, 18k Gold, Yellow Gold, Enamel
5.39 carats Amethyst Tsavorite Diamond 14K Gold Pendant Necklace
By Meghna Jewels
Located in Hoffman Estate, IL
This pendant necklace is hand set in 14K gold, 5.39 carats amethyst, .43 carats tsavorite and .12
Category
21st Century and Contemporary Unknown Artisan Pendant Necklaces
Materials
Amethyst, Diamond, Tsavorite, 14k Gold
Art Deco 12 Carat Diamond Studded Bracelet with Sapphires in White Gold
Located in Miami, FL
: 18k
Stones: Diamonds, Sapphires
Diamond Color: G – H
Diamond Clarity: VVS
Total Carat Weight: 12
Category
Vintage 1920s More Bracelets
Materials
Diamond, Sapphire, White Gold
1960s 12 Carat Diamond Cocktail Stud Earrings in 18 Karat White Gold
Located in New York, NY
prongs , weighing approximately 12 carat total set in 18 Karat white gold
Clarity -VS2
Color G
Size
Category
Vintage 1960s Stud Earrings
Materials
Diamond, 18k Gold
11 Carat Oval Tanzanite and 12 Carat Diamonds Necklace 18 Karat Gold Estate
Located in New York, NY
. There are total of approximately 13 carats of shimmering white diamonds,
The clear, intense hue of
Category
20th Century Drop Necklaces
Materials
Diamond, Tanzanite, 18k Gold
An Art Deco Diamond Bracelet Set Throughout With 12 Carats Diamonds. Circa 1930s
Located in London, GB
An Art Deco diamond bracelet. Set throughout with baguette and road-cut diamonds. Circa 1930s
Category
Vintage 1930s French Art Deco Anklets
Materials
Diamond
12 carats tennis bracelet 14KT white gold luxury bracelet
Located in Boca Raton, FL
12 carats diamond bracelet-192 diamonds and 60 grams, diamonds are VS-SI clarity and F-G color, the
Category
21st Century and Contemporary Tennis Bracelets
Materials
Diamond, 14k Gold, White Gold
1990s Harry Winston Emerald Diamond Gold Bangle Bracelet
By Harry Winston
Located in Beverly Hills, CA
collection.
Emeralds are the finest quality, transparent, total weight over 12 carats.
Diamonds are F
Category
1990s American Bangles
Materials
Emerald, White Diamond, Yellow Gold, 18k Gold
Pave Diamond Earrings, Yellow Gold Oval Pave Studs, Diamond Studs
By Five Star Jewelry
Located in Austin, TX
6.05 millimeters
Clasp Type: Posts
Diamond Total Weight: .12 Carats
Diamond Clarity: SI 1(excellent
Category
2010s American Modern Stud Earrings
Materials
White Diamond, Diamond, Yellow Gold, Gold, 14k Gold
18 Karat Adler Gèneva Clip, on Earrings 12 Carat, Diamonds Estate Sultan of Oman
By Adler
Located in Antwerp, BE
fit this Special Piece of Art !
Diamonds: Baguette & Taper cut diamonds together approx. 12 ct
Category
20th Century Swiss Artisan Clip-on Earrings
Materials
Diamond
Free Shipping
W 1.03 in L 1.42 in
Diamond Cluster Ring, 14 Karat Yellow Gold Gabriel Bubble Ring Band, LR5649Y45JJ
By Gabriel & Co.
Located in Austin, TX
Weight: .12 Carats
Diamond Shape: Round
Diamond Clarity: S1 1
Diamond Color: H-I
Band Width: 4
Category
2010s American Modern Cluster Rings
Materials
Diamond, Gold, 14k Gold, Yellow Gold
Gianni Lazzaro Emerald 10, 12 Carat Diamond 18K White Gold Brooch for Her for Him
By Natkina
Located in Montreux, CH
Brooch White Gold 18 K Gianni Lazzaro
Diamonds 129-.1,74ct.Gvs
Diamond 2-0,40 ct
Emerald 49
Category
21st Century and Contemporary Swiss Modern Brooches
Materials
Emerald, Diamond, White Gold, Gold, 18k Gold
Diamond Heart Necklace, 14K Yellow Gold Pave Diamond Open Heart, NK5452Y45JJ
By Gabriel & Co.
Located in Austin, TX
: Open Heart
Diamond Shape: Round
Diamond Total Weight: .12 Carats
Diamond Clarity: SI-2
Diamond Color: G
Category
2010s American Modern Pendant Necklaces
Materials
Diamond, 14k Gold, Yellow Gold
Art Deco Diamond Wedding Ring Platinum Granat Bros Original 1930s-1940s
Located in Dearborn, MI
100% Natural Diamonds
.12 Carat Diamond Weight
Platinum
Circa 1930's-1940's
Art Deco Era in
Category
Vintage 1940s Art Deco Band Rings
Materials
Diamond, Platinum
Diamond Anniversary Band Wedding Ring .36ct Marquise 14K Yellow Gold Brand New
Located in Dearborn, MI
Characteristics)
Diamonds Specs/Quality
4 Natural Diamonds (100% Natural Diamonds)
.12 Carats Diamond Weight
Category
2010s Band Rings
Materials
Diamond, 14k Gold, Yellow Gold
Diamond Anniversary Band Wedding Ring .55ct Marquise 14K Yellow Gold Brand New
Located in Dearborn, MI
Characteristics)
Diamonds Specs/Quality
4 Natural Diamonds (100% Natural Diamonds)
.12 Carats Diamond Weight
Category
2010s Band Rings
Materials
Diamond, 14k Gold, Yellow Gold
Diamond Anniversary Band Wedding Ring .48ct Marquise 14K White Gold Brand New
Located in Dearborn, MI
Characteristics)
Diamonds Specs/Quality
4 Natural Diamonds (100% Natural Diamonds)
.12 Carats Diamond Weight
Category
2010s Band Rings
Materials
Diamond, 14k Gold, White Gold
Diamond Anniversary Band Wedding Ring .35ct Marquise 14K White Gold Brand New
Located in Dearborn, MI
Characteristics)
Diamonds Specs/Quality
4 Natural Diamonds (100% Natural Diamonds)
.12 Carats Diamond Weight
Category
2010s Band Rings
Materials
Diamond, 14k Gold, White Gold
Diamond Anniversary Band Wedding Ring .65ct Marquise 14K Yellow Gold Brand New
Located in Dearborn, MI
Characteristics)
Diamonds Specs/Quality
4 Natural Diamonds (100% Natural Diamonds)
.12 Carats Diamond Weight
Category
2010s Band Rings
Materials
Diamond, 14k Gold, Yellow Gold
Diamond Anniversary Band Wedding Ring .39ct Marquise 14K Yellow Gold Brand New
Located in Dearborn, MI
Characteristics)
Diamonds Specs/Quality
4 Natural Diamonds (100% Natural Diamonds)
.12 Carats Diamond Weight
Category
2010s Band Rings
Materials
Diamond, 14k Gold, Yellow Gold
Diamond Anniversary Band Wedding Ring .60ct Marquise 14K White Gold Brand New
Located in Dearborn, MI
Characteristics)
Diamonds Specs/Quality
4 Natural Diamonds (100% Natural Diamonds)
.12 Carats Diamond Weight
Category
2010s Band Rings
Materials
Diamond, 14k Gold, White Gold
Diamond Anniversary Band Wedding Ring .55ct Marquise 14K Yellow Gold Brand New
Located in Dearborn, MI
Characteristics)
Diamonds Specs/Quality
4 Natural Diamonds (100% Natural Diamonds)
.12 Carats Diamond Weight
Category
2010s Band Rings
Materials
Diamond, 14k Gold, Yellow Gold
Original Royalty Blue Topaz Diamond Ring, Genuine Oval Topaz in White Gold
By Five Star Jewelry
Located in Austin, TX
Quality: 14 kt White Gold
Diamond Number: 6
Diamond Total Weight: .12 carat
Diamond Clarity: VS2
Category
21st Century and Contemporary American Contemporary Dome Rings
Materials
Diamond, Topaz, Blue Topaz, 14k Gold, White Gold
Diamond Wedding Band Genuine Antique Deco Dated 4-24-49 Platinum Ring
Located in Dearborn, MI
."
Showcases a .12 carat Diamond Weight
Crafted from Platinum, Adding a Touch of Elegance to the Piece.
Circa
Category
Vintage 1940s Art Deco Wedding Rings
Materials
Diamond, Platinum
Art Deco Diamond Engagement Ring .12ct Old European Cut Original 1930's Antique
Located in Dearborn, MI
Diamond
.12 Carat Diamond Weight
Solid 18K White Gold
Circa 1920's-1930's Genuine Antique; Not a
Category
Vintage 1920s Art Deco Solitaire Rings
Materials
Diamond, 18k Gold, White Gold
Art Deco Diamond Engagement Ring .12ct Transitional Original 1920's Antique 14K
Located in Dearborn, MI
Trademarked FIDELITY Ring
100% Natural Mined Diamonds
.12 Carat Diamond Weight
14K Yellow Gold with White
Category
Vintage 1920s Art Deco Engagement Rings
Materials
Diamond, 14k Gold, White Gold, Yellow Gold
GIA Certified Burma No Heat Natural Spinel & Diamond & Pearl Bracelet, 18KWG
Located in New York, NY
Treatment
Total weight of Three spinel is approximately 12 carat.
Diamond weighs is approximately 4.5 ct
Category
2010s Tennis Bracelets
Materials
Diamond, Pearl, Spinel, 18k Gold
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12carat Diamond For Sale on 1stDibs
You are likely to find exactly the 12carat diamond you’re looking for on 1stDibs, as there is a broad range for sale. Frequently made of Gold, 18k Gold and White Gold, this item was constructed with great care. Our collection of these items for sale includes 516 vintage editions and 1180 modern creations to choose from as well. Finding the perfect 12carat 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 12carat diamond — no matter the origin — is easy, but LB Exclusive, Luigi Ferrara and Harbor Diamonds each produced a popular version that is worth a look. A 12carat diamond of any era or style can lend versatility to your look, but a version featuring Diamond, from our inventory of 1369, is particularly popular. A round cut version of this piece has appeal, but there are also oval cut and emerald cut versions for sale. There aren’t many items for men if you’re seeking a 12carat diamond, as most of the options available are for women and unisex.
How Much is a 12carat Diamond?
The price for a 12carat diamond starts at $99 and tops out at $1,625,000 with these rings, on average, selling for $8,171.
Questions About 12carat 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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