Skip to main content

12 Carats Ruby Round

14
to
96
523
131
463
316
169
127
109
39
34
32
32
26
21
18
17
17
12
11
11
10
5
3
3
3
2
2
1
1
1
1
1
1
22
12
11
10
10
Sort By
.12 Carat Ruby Two Tone Gold Cigar Men's Cufflinks
Located in Stamford, CT
round ruby. 2 round red rubies, approx. .12cts 18k yellow gold 18k white gold Stamped: 18KT 19.7
Category

21st Century and Contemporary Cufflinks

Materials

Ruby, Gold, 18k Gold, White Gold, Yellow Gold

Crawford .12 Carat Diamond Ruby Rose Gold Ladies Wristwatch
Located in Stamford, CT
chain bracelet. 6.75 inches 6 round diamonds, approx. .12cts 10 genuine rubies, approx. .20cts 14k rose
Category

Mid-20th Century Wrist Watches

Materials

Diamond, Ruby, Gold, 14k Gold, Rose Gold

13 Carats Ruby Oval Cabochon 14kt Gold 12 Full Cut Round Diamonds Cocktail Ring
By Tutti Frutti Jewellery
Located in Bangkok, TH
13 Carats Natural Ruby oval cabochon ( 11 mm. x 15 mm.) set with 3,7 grams of 14 kt white gold, 12
Category

2010s Thai Contemporary Cocktail Rings

Materials

Diamond, Ruby, Gold, 14k Gold

.50 Carat Round Cabochon Ruby Diamond Pierced Engraved Platinum Pendant Necklace
Located in Stamford, CT
1930's Art Deco ruby and diamond pendant necklace. 1 beautiful round cabochon 14k yellow gold bezel
Category

Early 20th Century Pendant Necklaces

Materials

Diamond, Ruby, 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

Antique 3.05 Carat Diamond and Ruby 12 Carat Yellow Gold Dolphin Brooch/Pendant
Located in Jesmond, Newcastle Upon Tyne
A stunning, fine and impressive, unusual antique Victorian 3.05 carat diamond and 0.03 carat ruby
Category

Antique 19th Century Unknown Victorian Brooches

Materials

Diamond, Ruby, Yellow Gold

12 Carat Natural Marquise Ruby and Diamond Tennis Bracelet 14 Karat Yellow Gold
Located in New York, NY
. Natural Rubies 56 Pieces approximately 12 Ct Diamonds 56 pieces approximately 0.75ct Please look at all
Category

2010s Tennis Bracelets

Materials

Diamond, Ruby, 14k Gold, Yellow 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...

2.41 Carat Round Cut Ruby and Diamond Hoop Earrings in 14K White Gold
Located in NEW YORK, NY
with diamonds, set in 14k white gold. 12 Round diamonds weigh 1.15 carats in total and 16 Rubies weigh
Category

21st Century and Contemporary Modern Hoop Earrings

Materials

Diamond, Ruby, 14k Gold, White Gold

14K Ruby Cluster Stud Earrings Elegant Round Faceted Rubies Designer Signatu
Located in Holtsville, NY
features a dazzling cluster of round faceted rubies totaling 1.40 carats, set in a stunning 14K yellow gold
Category

2010s American Artist Stud Earrings

Materials

Ruby, 14k Gold

1.28 Carat Ruby Diamond Rose Gold Ring
By DGI
Located in Los Angeles, CA
Simply beautiful Ruby Diamond Ring with a Round Cut 0.68 Carat Burmese Ruby which is surrounded by
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, Ruby, 14k Gold, Rose Gold

2.80 Carat Ruby Gold Wide Band Ring
Located in Stamford, CT
1950's Ruby yellow gold band ring. 76 round rubies along both rims of the setting accented with 12
Category

Mid-20th Century Band Rings

Materials

Ruby, Gold, Yellow Gold, 14k Gold

1.20 Carat Ruby Diamond Yellow Gold Hoop Earrings
Located in Stamford, CT
step cut square rubies and 12 round brilliant cut diamonds. 12 round brilliant cut diamonds, G VS
Category

21st Century and Contemporary Hoop Earrings

Materials

Diamond, Ruby, Gold, 14k Gold, Yellow Gold

0.40 Carat Diamond/1.30 Carat Ruby 18 Karat Gold Hearts Pendant Necklace
By Sebastian Bernard
Located in Los Angeles, CA
18K Gold Heart shaped Pendant with 12 Invisible Set Princess Cut Rubies (Total Gem Weight 1.30 Ct
Category

2010s American Contemporary Pendant Necklaces

Materials

Diamond, Ruby, 18k Gold

AGL Certified 5.52 Carat No Heat Oval Cut Burma Ruby and Round Diamond Ring
Located in Miami, FL
Centering a 5.52 Carat Unheated Burma Ruby (per AGL– American Gem Laboratory), framed by Round
Category

Early 20th Century Burmese Art Deco Cocktail Rings

Materials

White Diamond, Ruby, Diamond, 18k Gold, White Gold, Platinum

18 carat yellow gold rubies and diamonds ring
Located in Monte-Carlo, MC
18 carat yellow gold ring designed with 2 marquise cut rubies weighing 0.16 carats, 2 round
Category

2010s Cocktail Rings

Materials

Diamond, Ruby, Yellow Gold

0.78 Carat Ruby and Diamond 14 Karat Yellow Gold Band
By DGI
Located in Los Angeles, CA
This is a classic band that is a must-have It has 12 Rubies that weigh 0.50 Carats and 11 Round Cut
Category

21st Century and Contemporary American Contemporary Band Rings

Materials

Diamond, Ruby, 14k Gold, Yellow Gold

0.72 Carat Ruby and Diamond 14 Karat White Gold Band
By DGI
Located in Los Angeles, CA
It has 12 Rubies that weigh 0.45 Carats and 11 Round Cut Diamonds that weigh 0.27 Carats. (Clarity
Category

21st Century and Contemporary American Contemporary Band Rings

Materials

Diamond, Ruby, 14k Gold, White Gold

Ruby Round Red 0.5K Diamonds 0.10K White Gold Engagement Ring
Located in Firenze, FI
ruby red complimented by 12 round diamonds cut brillant 0.10 carat. Crafted with clean, contemporary
Category

21st Century and Contemporary Italian Contemporary Engagement Rings

Materials

Diamond, Ruby, White Gold

.25 Carat Diamond, Ruby and Emerald Cocktail Ring
Located in Atlanta, GA
Total Weight Ruby Accents, 12 stones, Round Cut, Symmetrically placed .25 Carat Total Weight Emerald
Category

Vintage 1970s Unknown Retro Cocktail Rings

Materials

Diamond, Emerald, Ruby, 18k Gold, Silver

Sonia B 1.10 Carat Ruby Rose Gold Eternity Wedding Band Ring
By Sonia B
Located in Stamford, CT
Sonia B. ruby eternity wedding band. 12 round rubies in a 18k rose gold eternity band. 12 round
Category

21st Century and Contemporary Wedding Rings

Materials

Ruby, Gold, 18k Gold, Rose Gold

2.49 Carat Ruby Diamond Yellow Gold Ballerina Ring
By DGI
Located in Los Angeles, CA
This ring has a pretty pear cut Ruby that weighs 1.40 carats and has 12 round cut diamonds that
Category

2010s American Contemporary Cluster Rings

Materials

Diamond, Ruby, 14k Gold, Yellow Gold

2.14 Carat Ruby Diamond Yellow Gold Bridal Ring
By DGI
Located in Los Angeles, CA
center Ruby just like a charming ballerina would! The Ruby is 1.00 Carat surrounded by 12 Round Cut
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, Ruby, 14k Gold, Yellow Gold

GIA Certified 1.70 Carat Diamond Ruby Yellow Gold Cocktail Ring
Located in Stamford, CT
Diamond and ruby cluster cocktail ring. 18k yellow gold setting with a round center diamond and two
Category

Late 20th Century Fashion Rings

Materials

Diamond, Ruby, Yellow Gold, Gold, 18k Gold

Peter Suchy 1.73 Carat Ruby Diamond Platinum Wedding Band Ring
By Peter Suchy
Located in Stamford, CT
way around. Can be sized or made all around the finger. 5 round bright red Diamond cut Rubies, approx
Category

2010s Wedding Rings

Materials

Diamond, Ruby, Platinum

Antique Ruby and Diamond 12 Karat Yellow Gold Pendant / Brooch
Located in Jesmond, Newcastle Upon Tyne
A stunning, fine and impressive antique 1.09 carat diamond and 1.62 carat ruby, 12 karat yellow
Category

Antique 1890s Brooches

Materials

Diamond, Ruby, Yellow Gold

21.20 Carat Ruby and Diamond Hoop Earrings in Rose Gold
By GEMME
Located in New York, NY
another stone. 106 Round Rubies weighing 19.50 Carats. 12 Round Diamonds weighing 1.70 Carats. Set in 18
Category

2010s Hoop Earrings

Materials

Diamond, Ruby, 18k Gold, Rose Gold

1.08 Carat Natural Diamond & Ruby Ring Band 14K White Gold
Located in New York, NY
1.08 Carat Natural Diamond and Ruby Sapphire Ring Band G SI 14K White Gold 100% Natural Diamonds
Category

21st Century and Contemporary American Contemporary Fashion Rings

Materials

Diamond, Ruby, 14k Gold, White Gold

0.90 Carat Ruby Diamond Cluster Pendant 18 Karat White Gold Halo Oval Round Cut
By Tresor Paris
Located in London, GB
Ruby Cluster Pendant, with an oval ruby in the centre surrounded by 12 white stunning diamonds
Category

2010s British Modern Pendant Necklaces

Materials

Turquoise, Citrine, Other, Diamond, White Diamond, Emerald, Garnet, Jade...

GIA Burma Ruby Pear-shape Pendant Necklace with Round Diamonds in Platinum
Located in La Jolla, CA
features a 2.02 carat Pear-shaped Red Ruby surrounded by 12 Natural Round Brilliant Diamonds, with Round
Category

21st Century and Contemporary North American Pendant Necklaces

Materials

Diamond, Ruby, Platinum

1.10 Carat Ruby Diamond Yellow Gold Ballerina Engagement Ring
By DGI
Located in Los Angeles, CA
Ballerina Ruby Diamond Ring with a Oval Cut 0.68 Carat Ruby which is surrounded by 12 Round Cut
Category

2010s American Contemporary Engagement Rings

Materials

Diamond, Ruby, 14k Gold, Yellow Gold

.96 Carat High Grade Emerald Diamond Ruby Sapphire Yellow Gold Earrings
Located in Stamford, CT
rubies, 2 round emeralds and 12 round diamonds. 12 round diamonds, G SI approx. .20cts 6 round blue
Category

Late 20th Century Lever-Back Earrings

Materials

Diamond, Emerald, Ruby, Sapphire, Gold, 18k Gold, Yellow Gold

Certified 2 Carats Burmese Ruby Diamonds Platinum 18 Carats White Gold Daisy Rin
Located in Paris, FR
Exceptional daisy ring set in its center with a burmese ruby with a series of 12 diamonds on its
Category

Vintage 1950s French Retro Engagement Rings

Materials

Diamond, Ruby, 18k Gold, White Gold, Platinum

3.19 Carat Mens Ruby Diamond 14 Karat Yellow Gold
By DGI
Located in Los Angeles, CA
This amazing piece is set with a beautiful oval cut Ruby that weighs 2.45 Carats and has 12
Category

21st Century and Contemporary American Contemporary Bridal Rings

Materials

Diamond, Ruby, 14k Gold, Yellow Gold

Ruby 1.29 Ct Cluster Pendant 18 Kt White Gold Round Brilliant 0.60 Carat Diamond
By Hasbani Diamonds
Located in London, GB
Ruby Cluster Pendant, The radiant red oval shaped ruby in the center is surrounded by 12 round
Category

2010s British Modern Pendant Necklaces

Materials

Chalcedony, Turquoise, Citrine, Other, Diamond, White Diamond, Emerald, ...

Estate 14k White Gold 1.22ctw Round Ruby & Diamond Flower Cluster Stud Earrings
Located in Montclair, NJ
well crafted in solid 14k white gold. Each earring features a fine round brilliant ruby neatly set at
Category

21st Century and Contemporary Stud Earrings

Materials

Diamond, Ruby, White Gold, 14k Gold

Round Cut Diamond and Ruby Cluster Earrings in 14K White Gold
Located in Bangkok, TH
Gemstones I Type: Ruby Shape: Baguette Cut Size: 2 x 1 mm. Number: 12 Weight: 1.20 Carat (approx. in total
Category

21st Century and Contemporary Unknown Art Deco Stud Earrings

Materials

Diamond, Ruby, 14k Gold, White Gold

Vintage 1.53 Carat Ruby and 1.03 Carat Diamond Platinum Dress Ring
Located in Jesmond, Newcastle Upon Tyne
A stunning, fine and impressive vintage 1.53 carat ruby and 1.03 carat diamond, platinum dress ring
Category

1990s Unknown Cocktail Rings

Materials

Diamond, Ruby, Platinum

1.12 Carat Oval Ruby Diamond Halo Cluster Gold Pendant
Located in Stamford, CT
Ruby, approx. total weight 1.12cts, 7.28 x 6.23 x 3.72mm, GIA certificate #219383264 12 round brilliant
Category

Early 20th Century Necklace Enhancers

Materials

Diamond, Ruby, Gold, 18k Gold, White Gold

2.03 Carat Diamond Sapphire Ruby White Gold Flower Ring
Located in Stamford, CT
. .84cts 12 marquise red rubies, approx. .72cts 41 round diamonds, H-I SI approx. .50cts Size 7 and sizable
Category

21st Century and Contemporary Cluster Rings

Materials

Diamond, Ruby, Sapphire, Gold, 14k Gold, White Gold

57.22 Carats Ruby and Diamond Earrings on 18 Karat White Gold
Located in Wan Chai District, HK
. Ruby: 54.90 carats Diamond: 2.32 carats Dimension: 38 x 12 mm Please contact us should you have any
Category

2010s Unknown Dangle Earrings

Materials

Diamond, Ruby, White Gold

5.15 Carat Ruby Sapphire Diamond Opal Gold Silver Victorian Moth Brooch
Located in Stamford, CT
Mid 1880's Victorian moth Brooch. Set with rubies, diamonds, sapphires and opals in a 11-12 yellow
Category

Antique Late 19th Century Brooches

Materials

Sapphire, Blue Sapphire, Diamond, Opal, Ruby, Gold, Silver, Yellow Gold

GIA Certified 1.80 Carat Natura Bright Red Ruby Lever Back Gold Fan Earrings
Located in Stamford, CT
round sapphires. They have a clip post back to them. 12 round purplish red Rubies, approx. total
Category

Mid-20th Century More Earrings

Materials

Ruby, 14k Gold, Yellow Gold, Gold

GIA Burma Heated Ruby 7.71 Carat Oval in Diamond Platinum Ring
Located in La Jolla, CA
GIA Burma Heated Ruby 7.71 Carat Oval in Diamond Platinum Ring Ruby and Diamond Ring features a
Category

21st Century and Contemporary American Cocktail Rings

Materials

Diamond, Ruby, Platinum

1.46 Carat Ruby Stud Earring Jackets 18 Karat in Stock
Located in Boca Raton, FL
/Earring Jacket Details: Approximately 1.46ctw of Ruby Gemstones. There are 12 Gemstones in each jacket, 24
Category

21st Century and Contemporary American Stud Earrings

Materials

Ruby, Gold, White Gold, 18k Gold

Natural 12 Ct Burma Ruby & 30 Ct Diamond Trio Pin 18 Karat Yellow Gold 78gm
Located in New York, NY
composed of 18 oval-shaped natural rubies, totaling approximately 12 carats. The flowers are surrounded by
Category

Vintage 1970s Choker Necklaces

Materials

Diamond, Ruby, 18k Gold, Yellow Gold

2.04 Carat Ruby and Diamond 18k Yellow Gold Cluster Ring
Located in Beverly Hills, CA
2.04 carats. Accented by 12 round brilliant cut diamonds with a total weight of 0.95 carat, graded
Category

21st Century and Contemporary Cluster Rings

Materials

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

2.04 Carat Ruby and Diamond 18k Yellow Gold Cluster Ring
Located in Beverly Hills, CA
2.04 carats. Accented by 12 round brilliant cut diamonds with a total weight of 0.95 carat, graded
Category

21st Century and Contemporary Cluster Rings

Materials

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

.68 Carat Ruby and Diamond Floating Halo Necklace in White Gold
By Sarosi By Timeless Gems
Located in Los Angeles, CA
, 4.88mm, .68 carat Round brilliant cut diamonds, .12 carats total
Category

21st Century and Contemporary Artisan Pendant Necklaces

Materials

White Diamond, Diamond, Ruby, Gold, 18k Gold, White Gold

Peter Suchy .33 Carat Marquise Diamond Ruby Yellow Gold Engagement Ring
By Peter Suchy
Located in Stamford, CT
marquise center stone which is haloed by 14 round cut rubies. 12 round brilliant cut diamonds adorn the
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Ruby, Gold, 14k Gold, Yellow Gold

GIA Certified Natural Burma Ruby Diamonds set in Platinum Ring 1.34 Carats
Located in Los Angeles, CA
This unique ring combines a fiery red Burmese ruby with white diamonds. This round, GIA certified
Category

21st Century and Contemporary Burmese Engagement Rings

Materials

Diamond, Ruby, Platinum

GIA Unheated Natural Ruby 2.68 Carat in Diamond Halo Ring in Platinum
Located in La Jolla, CA
a large Oval Natural Ruby center with 12 Round Brilliant Diamonds set in Platinum. The ruby has a
Category

21st Century and Contemporary North American Cocktail Rings

Materials

Diamond, Ruby, Platinum

Vintage Ben Rosenfeld Ruby and Diamond 18 Carat Gold Foliate Brooch
By Ben Rosenfeld
Located in London, GB
spray decorated with a mixture of beautiful vibrant rubies and diamonds. The piece is set with 12 rubies
Category

Vintage 1960s English Retro Brooches

Materials

Diamond, Ruby, Gold, 18k Gold, Yellow Gold

Vintage GIA 4.26 Carat Ruby Diamond 18k White Gold Cluster Ring
Located in Beverly Hills, CA
ruby of 4.26 carats, accompanied by GIA #2235202950. Accented by 12 round brilliant cut diamonds with a
Category

1990s Cluster Rings

Materials

Diamond, White Diamond, Ruby, Gold, 18k Gold, White Gold

Spectra Fine Jewelry 4.99 Carat Ruby Diamond Cocktail Ring
By Spectra Fine Jewelry
Located in New York, NY
certified. Diamond weights: 12 pear shape diamonds = 2.17 carats. 12 round diamonds = 2.50 carats. 68 pave
Category

21st Century and Contemporary American Cocktail Rings

Materials

Diamond, Ruby, Platinum

Round Diamond with Ruby Art Deco Style Floral Pendant in 18K White Gold
Located in Bangkok, TH
Size: 4 mm. Number: 1 Weight: 0.23 Carat (approx. in total) Additional Gemstones I Type: Ruby Size
Category

21st Century and Contemporary Unknown Art Deco Pendant Necklaces

Materials

Diamond, Ruby, 18k Gold, White Gold

Ruby and Pink Sapphire Cuff Bangle Bracelet 3 carats 18K White Gold
Located in La Jolla, CA
Ruby and Pink Sapphire Cuff Bangle Bracelet 3.00 carat total weight in 18K White Gold Italian made
Category

20th Century Unknown Bangles

Materials

Ruby, Pink Sapphire, 18k Gold, White Gold

1950s 0.25 Carat Total Ruby and 14 Karat Yellow Gold Earring Jackets
Located in Atlanta, GA
Rubies 12 round Rubies per jacket, total 24 Rubies 14 Karat Yellow Gold setting Prong set Stones 11
Category

Mid-20th Century Unknown Retro Stud Earrings

Materials

Ruby, 14k Gold, Yellow Gold

Natural Diamond 0.40 carats 18 Karat Rose Gold Natural Rubies Ring
Located in Antwerpen, BE
Gemstone: Diamonds/ Rubies Shape: Round Brilliant/Baguette Total Diamond Carat Weight: 0.40 CT Number of
Category

2010s Belgian Modern Cocktail Rings

Materials

Diamond, Ruby, 18k Gold, Rose Gold

3+ Carat Ruby and Light Fancy Yellow Diamond Yellow Gold Ring
Located in Lexington, KY
This is a beautiful ring set in 14K yellow gold that features a delicious 3+ carat vibrant ruby
Category

21st Century and Contemporary Fashion Rings

Materials

Yellow Diamond, Ruby, 14k Gold, Yellow Gold

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

12 Carats Ruby Round For Sale on 1stDibs

Surely you’ll find the exact 12 carats ruby round 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, 14k gold and 18k gold — can elevate any look. Find an antique version now, or shop for 5 vintage or 8 modern creation for a more contemporary example of these cherished accessories. Finding the perfect 12 carats ruby round may mean sifting through those created during different time periods — you can find an early version that dates to the 20th Century and a newer variation that were made as recently as the 21st Century. There have been many well-made iterations of the classic 12 carats ruby round over the years, but those made by Malpani Jewels, Diana M. Jewels and Tutti Frutti Jewellery are often thought to be among the most beautiful. 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 alternatives. Most of our 12 carats ruby round for sale are for women, but there are 3 pieces available to browse for men.

How Much is a 12 Carats Ruby Round?

Prices for a 12 carats ruby round can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $775 and can go as high as $16,500, while this accessory, on average, fetches $1,795.