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20 Carat Stone

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Vintage 18 Carat Gold Diamond Three-Stone Ring
Located in Chipping Campden, GB
25 points and the two flanking stones measure 20 points each. The total carat weight in this ring is
Category

Vintage 1960s British Three-Stone Rings

Materials

Diamond, 18k Gold, White Gold, Yellow Gold

GIA Certified 20 Carat Emerald Cut Diamond Engagement Ring
By GEMME
Located in New York, NY
cut side stones
Category

2010s Three-Stone Rings

Materials

Diamond, Platinum

Edwardian 18 Carat Gold and Platinum Diamond Three-Stone Ring
Located in Chipping Campden, GB
A stunning antique Edwardian three-stone ring set with wonderful old European cut white diamonds
Category

Antique Early 1900s British Edwardian Three-Stone Rings

Materials

Diamond, 18k Gold, White Gold, Platinum

Art Deco 18 Carat Gold Diamond and Ruby Five-Stone Ring
Located in Chipping Campden, GB
20 points and is flanked by two beautiful 5 points diamonds. The stones are set in white gold and a
Category

Early 20th Century Unknown Art Deco Three-Stone Rings

Materials

Diamond, Ruby, 18k Gold, Yellow Gold

Vintage Circa 1960s Diamond Three Stone Ring 18 Carat Yellow & White Gold
Located in Hamilton, AU
that dips to diamonds set in shooting stars of white gold at her side. Crafted in 18 carat gold and
Category

20th Century Unknown Modern Three-Stone Rings

Materials

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

Art Deco Inspired 0.65 Carat Old Cut Diamond Sapphire Platinum Three Stone Ring
Located in Beverly Hills, CA
diamonds with a total weight of approximately 0.35 carat, graded H-I color, VS clarity, 20 calibré cut
Category

2010s Unknown Three-Stone Rings

Materials

Diamond, Sapphire, Platinum

Vintage Circa 1940s Old European Cut Diamond Three Stone Ring 18 Carat Gold
Located in Hamilton, AU
Crafted in 18 carat yellow gold, this lovely vintage ring, circa 1940s, features a shimmering trio
Category

20th Century Unknown Modern Three-Stone Rings

Materials

Diamond, Gold, Rose Gold, 18k Gold

Pink Spinel and Heart Diamond Duo Contemporary 18 Carat Gold Three Stone Ring
Located in Hamilton, AU
Lovingly crafted in 18 carat gold, this opulent jewel features a gleaming curved yellow gold band
Category

21st Century and Contemporary Australian Contemporary Three-Stone Rings

Materials

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

Contemporary 18 Carat Yellow White Gold Rub Over Set Diamond Three Stone Ring
Located in Hamilton, AU
Crafted in 18 carat gold, this opulent vintage ring features a shimmering rub over round brilliant
Category

Late 20th Century Contemporary Three-Stone Rings

Materials

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

Vintage Emerald Diamond Three Stone Platinum Ring
Located in Beverly Hills, CA
with a total weight of 1.03 carats. Accented by six marquise and 20 round brilliant cut diamonds with a
Category

21st Century and Contemporary Three-Stone Rings

Materials

Diamond, White Diamond, Emerald, Platinum

Three Stone Setting Ring In 18Kt Gold With 1.87 Ctw In Sapphires And Diamonds
Located in Miami, FL
Three stone setting ring with sapphires designed by Spark Studio. A beautiful ring, created in
Category

Early 2000s American Modern Three-Stone Rings

Materials

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

Art Deco 1.20 Cttw, Three Stone Diamond Platinum Ring Signed Birks
Located in beverly hills, CA
total. The side diamond weighs approximately .20 carats. Ring size 6. Circa 1920s.
Category

Early 20th Century Art Deco Three-Stone Rings

Materials

Diamond, Platinum

1.08ctw Ruby & Diamond 3 Stone Ring, 14k Yellow Gold, Ring Size 6.25
Located in McLeansville, NC
style with this exquisite ring. Stones: ruby, 1 stone oval cut 7 x 4.2 mm approximately 1 carat
Category

2010s Three-Stone Rings

Materials

Ruby, Diamond, Yellow Gold, 14k Gold

Georgian/Victorian 1.00 CT Plus Rose Cut Diamond Three stone Ring
Located in Napoli, IT
– measures are 6.57 mm. x 6.35 – it shows as much as 1.0 full carat Diamond given by the spread – domed and
Category

Antique Early 1800s European Georgian Three-Stone Rings

Materials

Diamond, Gold

4.03 Carat Fine Color Certified Emerald and 0.82 Carat Diamond Platinum Ring
Located in Southampton, GB
Many of our items include UK VAT at 20%. This means we may be able to remove this when you are
Category

21st Century and Contemporary Unknown Three-Stone Rings

Materials

Diamond, Emerald, Platinum

GIA Certified 18.95 Carat Internally Flawless Type II-A Heart-Cut Diamond Ring
By Gad & Co.
Located in Miami, FL
sitting in the center. Flanked by 1.5 carats of bullet cut diamonds. All 20 carats shine bright enough to
Category

2010s Hong Kong Modern Three-Stone Rings

Materials

Diamond, 18k Gold, White Gold

1.36ctw Diamond and Pink Sapphire 3 Stone Ring, 14k White Gold, Ring Size 7
Located in McLeansville, NC
carat - diamonds, 2 stones - round brilliant cut - approximately .16 total carats - F-G color, SI2
Category

Early 2000s Three-Stone Rings

Materials

Diamond, Pink Sapphire, 14k Gold, White Gold

14 Karat White Gold Ladies Three-Stone Diamond Ring with Accents, 1.46 Tdw
Located in Laguna Beach, CA
side is a .20 carat diamond, h to i color, si clarity. Also, there are 10 small diamonds on the sides
Category

Early 20th Century Unknown Three-Stone Rings

Materials

Diamond, 14k Gold, White Gold

Certified 2.31 Carat No Heat Ruby & 1 Carat F-G VS1-2 Diamond 18 Karat Gold Ring
Located in Southampton, GB
Many of our items include UK VAT at 20%. This means we may be able to remove this when you are
Category

21st Century and Contemporary British Three-Stone Rings

Materials

Diamond, Ruby, Gold

Emilio Jewelry Certified 14.00 Carat Untreated Cornflower Blue Sapphire Ring
By Emilio!
Located in New York, NY
is deliver the best quality jewelry, at fair prices. Main stone: 12.24 carat Cornflower Blue, Oval
Category

21st Century and Contemporary Three-Stone Rings

Materials

Blue Sapphire

Emilio Jewelry 20.00 Carat Gia Certified Fancy Intense Yellow Diamond
By Emilio!
Located in New York, NY
Fifth Avenue, A perfect gorgeous Gia Certified Fancy Intense Yellow Diamonds weighing just over 20
Category

21st Century and Contemporary Three-Stone Rings

Materials

Yellow Diamond

Emilio Jewelry 2.50 Carat Fancy Pink Diamond Ring
By Emilio!
Located in New York, NY
From the Emilio Jewelry Museum Vault, Showcasing a magnificent 2.55 carat natural Gia certified
Category

21st Century and Contemporary Three-Stone Rings

Materials

Pink Diamond

Emilio Jewelry Gia Certified 1.00 Carat Fancy Blue Heart Diamond Ring
By Emilio!
Located in New York, NY
Center Stone: Gia certified natural 1.00ct + Fancy Gray-Blue Matching: 6 white diamonds totaling
Category

21st Century and Contemporary Three-Stone Rings

Materials

Blue Diamond

Emilio Jewelry GIA Certified 1.00 Carat Very Light Blue Diamond Ring
By Emilio!
Located in New York, NY
Main stone: 1.00 carat Color: Very Light Blue Clarity: SI2 Shape: CUSHION Setting: 116 white
Category

21st Century and Contemporary Three-Stone Rings

Materials

Blue Diamond

Emilio Jewelry GIA Certified 1.00 Carat Fancy Vivid Orange Diamond Ring
By Emilio!
Located in New York, NY
Main stone: 1.10 carats Fancy Vivid Orange CUT-CORNERED RECTANGULAR Setting: about 20 white
Category

21st Century and Contemporary Three-Stone Rings

Materials

Blue Diamond, Pink Diamond

Emilio Jewelry GIA Certified 2.50 Carat Fancy Light Pure Blue Diamond Ring
By Emilio!
Located in New York, NY
From the Museum Vault at Emilio Jewelry New York, Main stone: 2.50 carats Gia certified natural
Category

21st Century and Contemporary Three-Stone Rings

Materials

Blue Diamond

Scarselli Six Carat Fancy Yellow Cushion Cut Diamond Ring in Platinum, GIA
By SCARSELLI
Located in New York, NY
From SCARSELLI, this beautiful statement ring features a 6.02 carat Fancy Yellow Cushion Cut
Category

2010s American Contemporary Three-Stone Rings

Materials

Yellow Diamond, Platinum

Vintage circa 1960s 14 Carat Yellow Gold Partial Rubover Diamond Signet Ring
Located in Hamilton, AU
Forged in 14 carat gold, this darling vintage ring features three round brilliant cut diamonds
Category

20th Century Modern Three-Stone Rings

Materials

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

Vintage Circa 1990s 14 Carat Yellow Gold Squared Flat Top Diamond Signet Ring
Located in Hamilton, AU
Forged in 14 carat yellow gold, this dapper ring features a grid setting of sixteen shimmering
Category

20th Century Unknown Modern Three-Stone Rings

Materials

Diamond, Gold, Yellow Gold, 14k Gold

Natural Diamond Ring Platinum Round cut .65ct TDW Engagement Solitaire
By Estate Jewelry
Located in East Brunswick, NJ
baguettes are VS2 clarity and G color and they total .20 carat. The grand total diamond weight for the ring
Category

Late 20th Century Three-Stone Rings

Materials

Diamond, Platinum

Bvlgari Roma Three Gems Ring in Platinum with 1.26 Ctw Diamonds Ceylon Sapphire
By Bulgari
Located in Miami, FL
setting with one oval faceted cut (5.2 x 7 x 3.5 mm) of a Ceylon vivid blue Sapphire of 1.02 carats
Category

20th Century Italian Modernist Three-Stone Rings

Materials

Sapphire, Blue Sapphire, Diamond, White Diamond, Platinum

Art Deco Colombian emerald and diamond ring, French, circa 1925
Located in London, GB
combined weight of 1.00 carats, to an elegant three stone design featuring angular corner claws, an
Category

Vintage 1920s Art Deco Three-Stone Rings

Materials

Diamond, Emerald, Platinum

0.15ctw Diamond Ring 14k Yellow Gold Size 8.5 Vintage Wedding Band
Located in McLeansville, NC
Gemstone Information: - Natural Diamonds - Total Carats - 0.15ctw Cut - Round Brilliant Color - G
Category

20th Century Three-Stone Rings

Materials

Diamond, 14k Gold, White Gold, Yellow Gold

Pink Tourmaline Emerald Diamond Platinum Yellow Gold Ring
Located in Los Angeles, CA
Pink tourmaline emerald and diamond platinum and 20-karat yellow gold ring circa 1990. ABOUT THIS
Category

1990s Contemporary Three-Stone Rings

Materials

Diamond, Emerald, Tourmaline, Yellow Gold, Platinum

Gold ring with sapphire and diamond
Located in Amsterdam, NL
An 18 carat yellow gold ring with three royal blue natural unheated sapphires each with two cushio
Category

Antique 1890s English Victorian Three-Stone Rings

Materials

Diamond, Sapphire, Gold, 18k Gold

Emilio Jewelry GIA Certified Fancy Deep Pure Green Diamond Ring
By Emilio!
Located in New York, NY
approximately 2.147 carats, 20 rose-cut white diamonds totaling approximately 1.422 carats, 18K Green diamonds
Category

21st Century and Contemporary Three-Stone Rings

Materials

Blue Diamond, Pink Diamond

Trilogy Ring with Certificate Natural White Diamond Tot. 0, 90Ct G SI1, 18kt Gold
Located in Vicenza, VI
Total Carats: 0,90 Certification: GIA or IGI or HRD The performance of the diamond does not depend only
Category

2010s Italian Contemporary Three-Stone Rings

Materials

White Diamond, Gold, 18k Gold, White Gold

Art Deco 20.00 Carat Carved Ruby Diamond Brooch
Located in North Hollywood, CA
: 24.00 grams Stones: Carved ruby leaves, approx. 20 carats Stones: Diamonds 1.25 carats VS-SI clarity, G
Category

Mid-20th Century Unknown Art Deco Brooches

Materials

Diamond, Ruby, 18k Gold, Platinum

21.20 Carat Diamond Tennis Necklace (20 pointers each Diamond)
By Royaal Stones Ltd
Located in Bangkok, Thailand
A classic 21.20 carat total SI quality, G/H color tennis necklace, 16.5 inches in length, set in
Category

21st Century and Contemporary Modern Link Necklaces

Materials

Diamond

20 Carats Natural Golden Hued Zircon Stone Lot Loose Gemstone From Pakistan
Located in Bangkok, TH
collection of Natural Golden Hued Zircon Stones, totaling an impressive 20 carats. Sourced from the
Category

21st Century and Contemporary Pakistani Modern Loose Gemstones

Materials

Zircon

30.10 Carats 20 Mm Round Peach Tourmaline Faceted Cut Stone Natural Gemstone
Located in Jaipur, RJ
Gemstone - Tourmaline Weight- 30.10 Carats Shape - round Size - 20 MM Pieces - 1
Category

21st Century and Contemporary Congolese Art Deco Loose Gemstones

Materials

Tourmaline

Sterling Silver 20 Carat Citrine Three Stone Cocktail Ring for Women
Located in Houston, TX
Introducing our 20 Carat Citrine Three Stone Cocktail Ring! Crafted with exquisite detail in
Category

21st Century and Contemporary American Contemporary Cocktail Rings

Materials

Citrine, Silver, Sterling Silver

18 Karat Yellow Gold 3.00 Carat 20 Diamond Stones Outside Hoop Earrings 10.85g
Located in Aventura, FL
Clarity: VVS1 Each Stone Carat: 0.15ct Total Stones: 20 Stones
Category

20th Century Unknown Modernist Hoop Earrings

Materials

Diamond, Yellow Gold

20, 88 carats aquamarine ring in platinum
Located in PARIS, FR
Stones: Aquamarine of 20.88 cts, 10 diamonds: 1.28 cts Material: Platinum Dimensions: 2.2cm x 1.4cm
Category

Early 2000s Fashion Rings

Materials

Aquamarine, Diamond, Platinum

.20 Carat Diamond Engagement Ring
Located in Atlanta, GA
: Old European Brilliant Carat Weight: .20 carat Color: E Clarity: VS1 Finger to Top of Stone
Category

Vintage 1930s Unknown Art Deco Engagement Rings

Materials

White Diamond, Platinum

Natural Diamonds 20 Carat White Gold Tennis Bracelet
By Antinori Fine Jewels
Located in Rome, IT
An amazing and susbtancial 12 Carat round brilliant cut diamond tennis bracelet. Set in 14 carats
Category

2010s Italian Modern Tennis Bracelets

Materials

Diamond, White Diamond, White Gold

Multi Strand Tennis Bracelet 14 Karat White 20 Carats
By Belfiore Jewelry
Located in Great Neck, NY
is a timeless piece set with 20 carats of diamonds. Each stone weighs approximately 0.07-0.08 carats
Category

2010s Italian Modern Tennis Bracelets

Materials

Diamond, 14k Gold

.20 Carat Diamond Platinum Engagement Ring
Located in Atlanta, GA
: Weight: .20 carat Cut: Old European Brilliant Color: G Clarity: VS Side Diamond Details: Weight: .15
Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

White Diamond, Platinum

GIA Certified 20 Carat Round Brilliant Cut Diamond Ring
By Antinori Fine Jewels
Located in Rome, IT
GIA Certified 20 Carat Round Brilliant Cut Diamond Ring the main stone is an investment grade
Category

2010s Italian Modern Engagement Rings

Materials

Diamond, White Diamond, 18k Gold

GIA Certified 20 Carat COLOMBIAN MINOR OIL Ring
By Antinori Fine Jewels
Located in Rome, IT
. The ring weighs 16.9 grams, size 6.5. The center stone is a very lively Natural Oval Cut Green Emerald
Category

2010s Italian Modern Solitaire Rings

Materials

Diamond, White Diamond, Emerald, Platinum, 18k Gold, Yellow Gold

.20 Carat Total Weight Diamond Wedding Band
Located in Atlanta, GA
Stone Details: Shape: Old Single Cut Total Carat Weight: .20 carat, total weight Color: G Clarity: VS
Category

Vintage 1920s Unknown Art Deco Band Rings

Materials

White Diamond, Platinum

.20 Carat Sapphire Yellow Gold Engagement Ring
Located in Atlanta, GA
(Unheated) Shape: Antique Oval Carat Weight: .20 carat, total weight. Color: Blue Finger to Top of Stone
Category

Antique Early 1900s Unknown Edwardian Engagement Rings

Materials

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

.20 Carat Diamond White Gold Engagement Ring
Located in Atlanta, GA
Details: Shape: Old European Carat Weight: .20 carat Color: L Clarity: SI1 Side Stone Details: Shape
Category

Vintage 1910s Unknown Edwardian Engagement Rings

Materials

White Diamond, 18k Gold, White Gold

82.46 Carat Blue Topaz Pendant Necklace with Link Chain
By Royaal Stones Ltd
Located in Bangkok, Thailand
A stunning, bright blue 82.46 carat cushion shaped Blue Topaz pendant, bezel set in 18K yellow gold
Category

21st Century and Contemporary Modern Pendant Necklaces

Materials

Topaz, Blue Topaz, 18k Gold, Yellow Gold

.20 Carat Total Weight Platinum Wedding Band
Located in Atlanta, GA
Stone Measurement: 1.7mm Shank/Band Width: 1.2mm Condition: Excellent
Category

Vintage 1920s Unknown Art Deco Band Rings

Materials

Platinum

SCARSELLI 20 Carat Fancy Vivid Yellow Natural Diamond Ring GIA
By SCARSELLI
Located in New York, NY
This astonishes classic ring From Scarselli features a 20-carat Fancy Vivid Yellow Radiant Cut
Category

2010s American Contemporary Engagement Rings

Materials

Diamond, Yellow Diamond, 18k Gold, Platinum

44.03 Carat Pear Shape Amethyst Pendant Necklace with Link Chain
By Royaal Stones Ltd
Located in Bangkok, Thailand
A stunning, vivid purple 44.03 carat triangular pear shaped Purple Amethyst pendant, bezel set in
Category

21st Century and Contemporary Modern Pendant Necklaces

Materials

Amethyst, 18k Gold, Yellow Gold

20"14K Yellow Gold apx 99/50 Synthetic Garnet Stone Necklace
Located in South Bend, IN
-carat synthetic garnet stone, sounds like a beautiful and eye-catching piece of jewelry. Let's break
Category

21st Century and Contemporary Pendant Necklaces

Materials

Garnet, Tourmaline, Yellow Gold

20 Ct Fancy Intense Yellow Diamond GIA Radiant Cut Three Stone Engagement Ring
By SCARSELLI
Located in New York, NY
fluorescence from Scarselli. Set between two trilliant cut white diamond side stones on a white gold band
Category

2010s North American Contemporary Engagement Rings

Materials

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

.20 Carat Total Weight Diamond Platinum Wedding Band
Located in Atlanta, GA
Cut Total Carat Weight: .20 carat, total weight Color: E Clarity: VS Finger to Top of Stone
Category

Vintage 1910s Unknown Art Deco Band Rings

Materials

White Diamond, Platinum

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20 Carat Stone For Sale on 1stDibs

Surely you’ll find the exact 20 carat stone you’re seeking on 1stDibs — we’ve got a vast assortment for sale. Every item for sale was constructed with extraordinary care, often using gold, white gold and yellow gold. Our collection of these items for sale includes 2924 vintage editions and 2122 modern creations to choose from as well. If you’re looking for a 20 carat stone from a specific time period, our collection is diverse and broad-ranging, and you’ll find at least one that dates back to the 18th Century while another version may have been produced as recently as the 21st Century. Creating a 20 carat stone has been a part of the legacy of many jewelers, but those produced by Goshwara, Evangeline London and Alberto are consistently popular. While most can agree that any 20 carat stone from our collection can easily elevate most outfits, but the choice of a diamond version from the 3212 available is guaranteed to add a special touch to your ensemble. See these pages for a round cut iteration of this accessory, while there are also oval cut cut and brilliant cut cut versions available here, too. When shopping for a 20 carat stone, you’ll find that there are less available pieces for unisex or men today than there are for women.

How Much is a 20 Carat Stone?

Prices for a 20 carat stone can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $1 and can go as high as $3,600,000, while this accessory, on average, fetches $2,657.
Questions About 20 Carat Stone
  • 1stDibs ExpertApril 5, 2022
    The term “20 carat gold” does not have a meaning. “Carat” is a unit of measurement used to describe the size of gemstones. “Karat” is the unit used to describe gold precious metal. Gold stamped as 20 karat or 20K is 83.3 percent pure gold and 16.7 percent metal alloy. You'll find a wide variety of gemstone jewelry on 1stDibs.