Skip to main content

12ct Gold

165
to
510
1,757
1,337
2,075
1,322
1,156
293
262
204
148
95
87
87
84
58
50
49
47
46
45
36
32
22
22
17
16
14
14
12
7
7
5
4
3
3
2
2
2
91
86
83
46
45
Sort By
Antique Diamond Chick bangle, Ruby, Pearl and White Enamel, 12k gold
Located in NEWARK, GB
bangle is an absolute delight. The bangle is made from the highly sought after 12ct gold and is an
Category

Antique 19th Century British Victorian Bangles

Materials

Diamond, Pearl, Ruby, Gold, Enamel

Antique Victorian 2.92ct Sapphire and 0.72ct Diamond 12ct Yellow Gold Bar Brooch
Located in Jesmond, Newcastle Upon Tyne
impressiveantique sapphire brooch has been crafted in 12ct yellow gold. The plain 12ct yellow gold bar is
Category

Antique 19th Century Victorian Brooches

Materials

Sapphire, Diamond, Yellow Gold

Antique 3.05 Carat Diamond and Ruby 12 Carat Yellow Gold Dolphin Brooch/Pendant
Located in Jesmond, Newcastle Upon Tyne
, 12 carat yellow gold and silver set dolphin brooch/pendant; part of our diverse collection of antique
Category

Antique 19th Century Unknown Victorian Brooches

Materials

Diamond, Ruby, Yellow Gold

12ct Luxury bangle bracelet 18KT gold
Located in Boca Raton, FL
. Metal Type: 18KT Natural Diamond(s): Color: F-G Cut:Square Brilliant Carat: 12ct Clarity: VS (average
Category

21st Century and Contemporary Bangles

Materials

Diamond, 18k Gold

Antique Georgian 12ct Rose Gold Sepia Mourning Ring 1785
Located in NEW TOWN, AU
due to developments.. Crafted in 12ct rose gold and designed as a large Navette Sepia depicting a
Category

Antique Late 18th Century British Georgian Solitaire Rings

Materials

Rose Gold

Vintage 90s Diamond and 12ct White Gold Stud Earrings
Located in Jesmond, Newcastle Upon Tyne
An impressive pair of vintage 0.84 carat diamond and 12 carat white gold stud earrings; part of our
Category

1990s Unknown Stud Earrings

Materials

Diamond, White Gold

Vintage 90s Diamond and 12ct White Gold Stud Earrings
Vintage 90s Diamond and 12ct White Gold Stud Earrings
Free Shipping
H 0.14 in W 0.16 in L 0.3 in
12ct Green Amethyst Pendant on 14k Gold Paperclip Chain
By Maadrn Fine Jewels
Located in London, CA
: 14k gold setting and paperclip chain Stones: 12 carat Light Green Amethyst – deadstock from brazil
Category

2010s Canadian Modern Pendant Necklaces

Materials

Amethyst, 14k Gold, Yellow Gold

Yellow Gold Diamond Solitaire Engagement Ring - 14k Round Brilliant .12ct
Located in Greensboro, NC
& 14k White Gold Stone Information Natural Diamond Carat(s): .12ct Cut: Round Brilliant Color: K
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, 14k Gold, Yellow Gold

12ct Diamond tennis necklace moissanite necklace
Located in Boca Raton, FL
High quality cubic tennis necklace in 14KT white gold, perrfect for travelling, the stones will not
Category

21st Century and Contemporary Link Necklaces

Materials

Diamond, 14k Gold

12 Ct Natural Emerald Zambia Cabochon & 4 Ct Diamond Stud Earring 14 KW Gold
Located in New York, NY
Approximately 12 Carat of Natural Zambian Emerald Cabochon and 4 Ct diamonds earrings in White
Category

2010s Stud Earrings

Materials

Diamond, Emerald, 14k Gold, White Gold

ct 45, 50 Blue Topaz Diamond and ct 12, 88 Sapphire Gold Ring
Located in Marcianise, Marcianise (CE)
, ITEMS AT AUCTIONS AND ONGOING PROMOTIONS. Shiny ring in 14kt white gold composed of a central light
Category

Late 20th Century Italian Retro Cocktail Rings

Materials

Topaz, Blue Sapphire, Diamond, Yellow Gold, White Gold, 14k Gold

12ct Natural Ruby Diamonds Bracelet 14kt
Located in New York, NY
. 2ct Natural Diamonds Rounds & full cuts Vs-s clarity G-color 14kt. white Gold 21.7 Grams
Category

2010s American Tennis Bracelets

Materials

Diamond, Ruby, 14k Gold, White Gold

Vintage 12 Ct Natural Carved Emerald & 1.5 Ct Diamond Ring 18 Kt Yellow Gold
Located in New York, NY
approximately 12 ct with beautiful color and clarity. Accompanied by brilliant cut diamonds approximately 1.5 ct
Category

Early 2000s Solitaire Rings

Materials

Diamond, Emerald, 14k Gold, Yellow Gold

Restored Vintage Natural Diamond Petal Tulip Deco Ring .12ct 14kt gold
Located in New York, NY
.12ct Natural round Cut Diamond Ring vs-2 clarity G color. 14kt yellow gold 3.5 Grams Depth
Category

2010s American Solitaire Rings

Materials

Diamond, 14k Gold, Yellow Gold

ct 12, 53 Sapphire Diamond Gold and Silver Ring
Located in Marcianise, Marcianise (CE)
, ITEMS AT AUCTIONS AND ONGOING PROMOTIONS. A royal design for this cluster ring in 9Kt gold and silver
Category

Late 20th Century Italian Retro Cluster Rings

Materials

Diamond, Blue Sapphire, Topaz, 9k Gold, Silver

Natural 12 Ct Burma Ruby & 30 Ct Diamond Trio Pin 18 Karat Yellow Gold 78gm
Located in New York, NY
Introducing the exquisite Natural 12 Ct Burma Ruby & 30 Ct Diamond Trio Pin, a truly unique piece
Category

Vintage 1970s Choker Necklaces

Materials

Diamond, Ruby, 18k Gold, Yellow Gold

AIG Certified 32.00 Ct Tanzanite 15.00 Ct Emerald 12 Ct Diamonds Brooch/Pendant
Located in Massafra, IT
power to captivate and enchant anyone who lays eyes on them. Magnificent pendant/brooch come in 18k gold
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, Emerald, Tanzanite, 18k Gold

Vintage Opal Diamond Cocktail Ring 12 Ct Opal 4 Ct Diamond
Located in Kendal, GB
) STONES: Natural Opal (12 x 21mm, approx. 12ct), Diamonds (4 x 4mm, approx. 0.25ct each – 4ct total
Category

Vintage 1960s European Cocktail Rings

Materials

Diamond, Opal, 18k Gold, White Gold

18K Gold 12ct No Oil Russian Emerald Ring, Crown Design Ring
By MOISEIKIN
Located in Hong Kong, HK
eyes. MOISEIKIN created this historically unique and fascinating non treated 12ct Emerald in a crown
Category

2010s Russian Contemporary Engagement Rings

Materials

Diamond, Emerald, Ruby, Blue Sapphire, 18k Gold, White 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

12ct Blue Sapphire Armor Ring With Tsavorite & Diamonds Made In 18k Gold
By Artisan NYC
Located in New York, NY
18KT:2.56g,D:2.25ct,SI:25.33g, SAPP:12ct,TSAV:1.08ct Size: US-7.75
Category

21st Century and Contemporary Indian Contemporary Fashion Rings

Materials

Diamond, Blue Sapphire, Tsavorite, 18k Gold, Yellow Gold

14k Yellow Gold Women's Chain Ring with Diamonds, Total Diamond Weight .12ct
By Gregory Mikaelian & Sons, Inc.
Located in Los Angeles, CA
14K Yellow Gold Women's Chain Ring With Diamonds, Total Diamond Weight .12 Ct. Product Features
Category

21st Century and Contemporary American Contemporary Fashion Rings

Materials

Diamond, Yellow Gold, Gold, 14k Gold

12ct Natural Garnet Amethyst Citrine Rings Silver
Located in New York, NY
Sterling silver &18kt plated ring. Durable well-made deco. Total weight 15 grams Each ring 7mm Depth of ring 4.4mm Ring is 15 mm wide Size 6.75
Category

2010s American Band Rings

Materials

Amethyst, Citrine, Garnet, 18k Gold, Silver

Vintage Amethyst Diamond Cocktail Ring in 12ct Amethyst
Located in Kendal, GB
: ...
Category

20th Century Cocktail Rings

Materials

Amethyst, Diamond, Gold

Ravishing 18k Yellow Gold Bracelet w/ 12 ct Natural Diamond IGI Certificate
Located in רמת גן, IL
A luxurious gold tennis bracelet with ideal cut round brilliant diamonds in 12-carat round
Category

2010s Israeli Tennis Bracelets

Materials

Diamond, 18k Gold, Yellow Gold

CAROL ACKERMAN Eight .12 Ct Diamonds Surrounding Gold Carved Leaf Wedding Ring
Located in Kennebunkport, ME
This distinctive ring is a 3.7 mm 18K yellow gold deeply carved leaf wedding band with eight .12
Category

21st Century and Contemporary American Modern Band Rings

Materials

Diamond, Gold, 18k Gold, Yellow Gold

Pomellato 12ct Lemon Quartz Champagne Diamond Drop Earrings
By Pomellato
Located in Feasterville, PA
A fabulous pair of authentic Pomellato drop earrings showcasing 12cts of Lemon Quartz separated by .46ct of round brilliant cut champagne diamonds. Retail Price: $21,000+ Tax
Category

Early 2000s Drop Earrings

Materials

Diamond, Quartz, 18k Gold, Yellow Gold

12ct Natural Oval Purple Iolite Diamond Clip Earrings 18kt
Located in New York, NY
Natural Vivid Purple Iolite Earrings. 12ct natural Iolite. 4x6mm each .10ct natural round
Category

2010s American Stud Earrings

Materials

Diamond, Iolite, 18k Gold, White Gold

Round Locket Pendant Necklace 18k White Gold Purple Enamel 12 Diamonds 0.19 ct
By Victor Mayer
Located in Pforzheim, DE
gold Vitreous enamel: translucent opalescent purple and grey Diamonds: 12 diamonds, total 0.19 ct G VS
Category

21st Century and Contemporary German Art Deco Pendant Necklaces

Materials

Diamond, 18k Gold, Enamel, White Gold

52, 000 18KT Gold Rare Magnificent 12ct Fancy Cognac Diamond Deco Style Bracelet
Located in New York, NY
The Following Item we are offering is this Beautiful Rare Important 18KT Gold Large Glittering
Category

21st Century and Contemporary Retro Bracelets

Materials

Diamond, Gold, 18k Gold

NWT $85, 000 Important Pair 18KT Gold Large 12CT Ceylon Sapphire Diamond Earrings
Located in New York, NY
The Following Items we are offering is a Gorgeous Pair of Radiant 18KT White Gold Rare Ceylon Blue
Category

21st Century and Contemporary Stud Earrings

Materials

Diamond, Sapphire, Gold, 18k Gold

Round Locket Pendant - 18k Yellow Gold - Blue Enamel - 12 Diamonds 0.19 ct GVS
By Victor Mayer
Located in Pforzheim, DE
vitreous enamel, 12 diamonds, total 0.19 ct G VS, brilliant cut About the creator Victor Mayer Victor
Category

2010s German Art Nouveau Pendant Necklaces

Materials

Diamond, Yellow Gold, Enamel, 18k Gold

12Ct Carved Emerald & 5 Ct Rose Diamond Dangling Post Earrings 22 Kt Yellow Gold
Located in New York, NY
12Ct Carved Emerald & 5 Ct Rose Diamond Dangling Post Earrings 22 Kt Yellow Gold Discover elegance
Category

2010s Stud Earrings

Materials

Diamond, Emerald, Yellow Gold, 22k Gold

18K White Gold Heart Diamond Tennis Bracelet '12 1/2 Ct. tw'
Located in San Francisco, CA
Gemstone Color: WHITE Center Gemstone Shape: HEART Center Diamond Carat Weight: 12 Metal: 18K White Gold
Category

21st Century and Contemporary American More Bracelets

Materials

Diamond, White Gold

Vintage 12 Ct Natural Oval Sleeping Beauty Turquoise Ring, 14 Kt Yellow Gold
Located in New York, NY
Vintage 12 Ct Natural Oval Sleeping Beauty Turquoise Ring, 14 Kt Yellow Gold 14 karat gold 10.3
Category

2010s Solitaire Rings

Materials

Turquoise, Gold, Yellow Gold

Round Locket Pendant 18k White Gold Purple Vitreous Enamel 12 Diamonds 0.19 ct
By Victor Mayer
Located in Pforzheim, DE
vitreous enamel, 12 diamonds, total 0.19 ct G VS, brilliant cut About the creator Victor Mayer Victor
Category

21st Century and Contemporary German Art Deco Pendant Necklaces

Materials

Diamond, 18k Gold, White Gold, Enamel

NWT $49, 500 18KT Gold Fancy 12ct Gorgeous Yellow Orange Cognac Diamond Earrings
Located in New York, NY
The Following Item we are offering are these Extremely Rare Beautiful 18KT Gold Fine Large Fancy
Category

21st Century and Contemporary Drop Earrings

Materials

Diamond, White Diamond, Yellow Diamond, Brown Diamond, Gold, 18k Gold

12 Ct Emerald Cut Amethyst Pendant /Necklace + 14 Kt Yellow Gold Chain Vintage
Located in New York, NY
Approximately 12 Ct Emerald Cut Amethyst Pendant /Necklace + 14 Kt Yellow Gold Chain Vintage Chain
Category

Early 2000s Pendant Necklaces

Materials

Amethyst, 14k Gold, Yellow Gold

New African 12 Ct Green Amethyst Yellow Gold Plated Sterling Ring Size 7
Located in Eagan, MN
The ring is a size 7. This stone is from Africa. It is a beautiful pear cut stone and is 12 cts
Category

2010s Unknown Art Deco Cocktail Rings

Materials

Amethyst, Yellow Gold, Silver, Sterling Silver, Gold Plate

Pair of Natural Black Diamond 12, 7 Ct. Cubes/Dices with Gold Inlay
Located in Antwerp, BE
Pair of natural 12,7 Carat black diamond cubes/dice with gold inlay The dice are inlaid with gold
Category

20th Century Artisan More Jewelry

Materials

Black Diamond, Gold

.12ct Mine Cut Diamond Art Deco Engagement Ring 18k White Gold Vintage Solitaire
Located in Greensboro, NC
Content: Guaranteed 18k Gold as stamped Stone Information: Natural Diamond Clarity: SI1 Color: L
Category

Late 20th Century Engagement Rings

Materials

Diamond, White Gold

12 Ct Natural Emerald Zambia Cabochon & Diamond Stud Earring 14 Karat White Gold
Located in New York, NY
Approximately 12 Carat of Natural Zambian Emerald Cabochon earrings in White gold Each Emerald
Category

2010s Stud Earrings

Materials

Diamond, Emerald, 14k Gold, White Gold

Vintage Art Deco Ring 12ct Amethyst 10k 14k Yellow Gold Large Oval Cocktail 5
Located in Torrance, CA
gold. Faceted oval cut amethyst measures 18mm x 13mm (estimated at 12 carats). The amethyst is in
Category

Early 20th Century Unknown Art Deco Cocktail Rings

Materials

Amethyst, Yellow Gold, 14k Gold, 10k Gold, Gold

GIA Certified 12 Ct Fancy Yellow Diamond Ring with Trillion
By Antinori Fine Jewels
Located in Rome, IT
Radiate unparalleled elegance and sophistication with this GIA Certified 12 Ct Fancy Yellow Diamond
Category

2010s Unknown Contemporary Engagement Rings

Materials

Diamond, Yellow Diamond, 18k Gold, Gold, White Gold, Yellow Gold

Timeless Treasure:18kt White Gold Brooch with 12 ct Burmese Rubies and Diamonds
Located in Lugano, CH
16 stunning Burmese rubies. This 18kt white gold brooch, paired with 1.38 ct of sparkling diamonds
Category

21st Century and Contemporary Italian Contemporary Brooches

Materials

Diamond, Ruby, White Gold

Oval Locket Pendant Necklace 18k Yellow Gold Blue Enamel 12 Diamonds 0.08 ct GVS
By Victor Mayer
Located in Pforzheim, DE
, translucent peacock blue vitreous enamel, gold paillons, 12 diamonds, total 0.08 ct, G VS, brilliant cut
Category

21st Century and Contemporary German Contemporary Pendant Necklaces

Materials

Diamond, 18k Gold, Yellow Gold, Enamel

Hand Made Magnificent 12ct Oval Amethyst Pendant Surrounded by 15 Diamonds
By Unbranded
Located in London, GB
Hand Made Magnificent 12ct Oval Amethyst Surrounded by 15 Victorian Cut Diamonds 9ct Yellow Gold
Category

2010s British Pendant Necklaces

Materials

Amethyst, Diamond, Yellow Gold, 9k Gold

Oval Locket Pendant 18k Yellow Gold Blue Vitreous Enamel 12 Diamonds 0.08 ct GVS
By Victor Mayer
Located in Pforzheim, DE
, translucent peacock blue vitreous enamel, gold paillons, 12 diamonds, total 0.08 ct, G VS, brilliant cut
Category

21st Century and Contemporary German Contemporary Pendant Necklaces

Materials

Diamond, 18k Gold, Yellow Gold, Enamel

Four Prong 12 Ct TW Natural Diamond Tennis Bracelet
Located in Dubai, DU
Diamond. Fasten with a secure clasp. METAL DETAILS: 18K White Gold DIAMOND DETAILS: Natural, Ethically
Category

2010s Tennis Bracelets

Materials

Diamond, 18k Gold

12 Ct. SI/HI Pear Diamond Crescent Moon Chandelier Earrings 18 Karat White Gold
Located in IN
Item Code :- SEE-11573 Gross Wt. :- 24.51 gm 18k Solid White Gold Wt. :- 22.05 gm Natural Diamond
Category

21st Century and Contemporary Indian Modern Chandelier Earrings

Materials

Diamond, 18k Gold, White Gold

18 Karat & Silver Brooch Set with 1 Diamond 1.76 Ct+12 Ruby 3.76 Ct + 48 Diamond
Located in Heerlen, NL
: 1.76 ct. VS2 /I 12 natural Ruby's mixed round cut: 3.76 ct. 48 old European Cut & Rose Cut Diamonds
Category

Antique Late 19th Century French Neoclassical Brooches

Materials

Diamond, Ruby, 18k Gold, Rose Gold, Silver

Stunning .12ct. Square Mixed Cut Cluster Sapphire Ring with Side Diamonds
Located in רמת גן, IL
Stunning .12ct. Square Mixed Cut Cluster Sapphire Ring with Side Diamonds Product Details: Metal
Category

2010s Israeli Engagement Rings

Materials

Diamond, Sapphire, 18k Gold, White Gold

10K Yellow Gold Plated Sterling Silver 12 2/5 Ct Purple Amethyst Dangle Earring
Located in New York, NY
Introducing a celestial masterpiece that will leave you mesmerized - these 10K Yellow Gold Plated
Category

21st Century and Contemporary American Contemporary Dangle Earrings

Materials

Amethyst, 10k Gold, Gold Plate, Yellow Gold, Sterling Silver

12-5/8 ct. Emerald-Cut Prasiolite 14K Yellow Gold over Sterling Silver Earrings
By Affinity Designs LLC
Located in New York, NY
Each of these elegant earrings crafted from 14K yellow gold over sterling silver and features
Category

2010s Asian Contemporary Drop Earrings

Materials

Sterling Silver, Yellow Gold

Chantecler 12 Ct Sapphire 22 Ct Diamond VS/E-F Color Ring & Earring Set 18 KYG
By Chantecler
Located in New York, NY
Designer Chantecler From Italy 12 Ct Sapphire Cabochon And 22 Ct VS/E-F Color Diamond Ring
Category

20th Century Stud Earrings

Materials

Diamond, Blue Sapphire, Sapphire, 18k Gold

Art Deco aquamarine ca.12ct bagutte cut pendant with a diamond
Located in Berlin, BE
gold. At its heart lies a splendid and remarkable Aquamarine gem, cut in the beguiling baguette style
Category

2010s German Art Deco Pendant Necklaces

Materials

Aquamarine, Diamond, Gold, 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

12 Ct Unheated Ceylon Sapphire Cabochon Ring with Diamonds, Paperwork Incl.
Located in New York, NY
An approximate 12 ct. Unheated Ceylon Sapphire Cabochon Ring with Diamonds with a certificate from
Category

20th Century Cluster Rings

Materials

Diamond, Sapphire, 14k Gold, White Gold

12ct natural ruby emerald sapphires diamond tennis bracelet 14kt gem line
Located in New York, NY
. Secure pressure clasp and safety catch. 14.2 grams. 14kt. white gold. Measures 7 inches (wearable
Category

2010s American Tennis Bracelets

Materials

Emerald, Ruby, Sapphire, 14k Gold, White Gold

Edwardian 12 MM. Natural Split Pearl 1.60 Ct Diamond Engagement Ring
Located in Napoli, IT
water ¾ split pearl of 12 mm. in diameter – 17 old mine cut diamonds totalling approx 1.60 Ct (G/H-VVS
Category

Antique Early 1900s European Edwardian Engagement Rings

Materials

Diamond, Pearl, 18k Gold, Platinum

  • 1
  • ...
Get Updated with New Arrivals
Save "12ct Gold", and we’ll notify you when there are new listings in this category.

12ct Gold For Sale on 1stDibs

Surely you’ll find the exact piece of 12ct gold you’re seeking on 1stDibs — we’ve got a vast assortment for sale. Frequently made of Gold, White Gold and 18k Gold, this item was constructed with great care. You can easily find a 61 antique edition and 116 modern creations to choose from as well. You’re likely to find the perfect item from our selection of 12ct gold 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. Finding an appealing choice in our collection of 12ct gold — no matter the origin — is easy, but LB Exclusive, Renata Bernard and Sarosi By Timeless Gems each produced a popular version that is worth a look. An object in our assortment of 12ct gold of any era or style can lend versatility to your look, but a version featuring Diamond, from our inventory of 133, is particularly popular. A round cut version of this piece has appeal, but there are also oval cut and cabochon versions for sale. Most of our 12ct gold for sale are for women, but there are 49 pieces available to browse for men.

How Much is a 12ct Gold?

Prices for a piece of 12ct gold can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $250 and can go as high as $294,805, while this accessory, on average, fetches $4,363.