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20ct Round Diamond

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.20 Carat Double Chevron Diamonds Ring 14 Karat V Band
Located in New York, NY
.20ct Round diamonds ring Classic Double Chevron Pattern. H color Vs-2 clarity Bead set Size
Category

2010s American Band Rings

Materials

14k Gold, Yellow Gold

.85ct Natural Pink Sapphire Diamonds Pendant 14kt
Located in New York, NY
.20ct. Round diamonds. Full cut, brilliant Vs-2 clarity F/G-color. Overall Measurement: 3/4 inch
Category

2010s American Pendant Necklaces

Materials

Diamond, Sapphire, 14k Gold, White Gold

GIA Certified 1.90 Carat Natural No Heat Pink Sapphire Diamonds Ring 14 Karat
Located in New York, NY
.20ct. Round Diamonds & .20ct. Baguette Diamonds. G-color Vs-2 clarity. 14kt. white gold 4.7 grams
Category

2010s American Solitaire Rings

Materials

Diamond, Pink Sapphire, 14k Gold, White Gold

.55ctw Diamond Ring In White Gold
Located in Bloomington, MN
14kt white gold and adorned with .20ct round diamonds. These sparkling diamonds boast SI clarity and a
Category

21st Century and Contemporary Contemporary Fashion Rings

Materials

Diamond, 14k Gold, White Gold

.20ct Natural Round Diamond Ring 14kt Unisex
Located in New York, NY
.20ct Natural Round Diamond & Single cut diamond Ring Vs-2 clarity H color. 14kt yellow gold. 8
Category

2010s American Solitaire Rings

Materials

Diamond, 14k Gold, Yellow Gold

.20ct. mens natural round diamond solitaire ring 14kt gold H/Vs
Located in New York, NY
Men's round diamond & brush finish ring. .20ct. center round diamond. Full Cut, Brilliant Vs-2
Category

2010s American Solitaire Rings

Materials

Diamond, 14k Gold, Yellow Gold

Tiffany & Co. Platinum True Round Diamond Engagement Ring .20 ct EVS1
By Tiffany & Co.
Located in New York, NY
setting showcasing the iconic T from the True collection featuring a round brilliant diamond center
Category

21st Century and Contemporary American Modern Engagement Rings

Materials

Diamond, White Diamond, Platinum

.20ct Natural Round Diamond Band Ring 14 Karat Channel Set Band
Located in New York, NY
Hand Bead Set Pave Flat Band. .20ct. Natural round cut brilliant diamond Durable Built. Vs-2
Category

2010s American Band Rings

Materials

Diamond, 14k Gold, Yellow Gold

14kt Yellow Gold Triple Rope Round Brilliant Diamond Bracelet, 10 Diamonds .20ct
Located in Rancho Santa Fe, CA
14kt yellow gold triple rope bracelet with 14kt white gold settings with 10 round brilliant
Category

1990s Unknown Modern Link Bracelets

Materials

Diamond, 14k Gold, Yellow Gold

Antique 18k Antique .20ct Diamond Ring
Located in Bloomington, MN
Antique 18k Antique .20ct Diamond Ring Discover the timeless elegance of our exquisite antique
Category

Late 20th Century Modernist Fashion Rings

Materials

Diamond, 18k Gold, White Gold

Disney Enchanted Diamond Men's Ring - White Gold 14k Round .20ct Wedding Band
By Walt Disney
Located in Greensboro, NC
White Gold & 14k Yellow Gold Stone Information Natural Diamond Carat(s): .20ct Cut: Round Brilliant
Category

21st Century and Contemporary Wedding Rings

Materials

Diamond, 14k Gold, White Gold, Yellow Gold

Tiffany & Co. Peretti Diamonds by the Yard Necklace 16" Platinum 950 Round .20ct
By Tiffany & Co.
Located in Greensboro, NC
Metal Content: 950 Platinum Stone Information Natural Diamond Carat(s): .20ct Cut: Round Brilliant
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, Platinum

.20ct Natural Round Diamond Carved Mother of Pearl Cross over Ring 18kt
Located in New York, NY
throughout. .20 carat natural diamonds round full cut g color vs2 clarity. 18 karat yellow gold 11.1 g
Category

2010s American Solitaire Rings

Materials

Diamond, Pearl, 18k Gold, Yellow Gold

GIA Certified 1.49ct Pear Shape diamond ring .20ct. round accents 14kt
Located in New York, NY
GIA Certified Diamond engagement ring. 1.49ct. Natural Pear Shape diamond GIA Certificate
Category

2010s American Solitaire Rings

Materials

Diamond, 14k Gold, White Gold

20ct Diamond Necklace in 18k Yellow Gold
Located in London, GB
An 18k gold and diamond necklace set with 20.00cts of brilliant cut diamonds. Length: 40.5cm
Category

Vintage 1970s Link Necklaces

Materials

Diamond, 18k Gold, Yellow Gold

.20ct natural diamonds open heart necklace 14kt
Located in New York, NY
.20 carat natural round diamonds open heart necklace I color si clarity. 14 karat white gold
Category

2010s American Pendant Necklaces

Materials

Diamond, 14k Gold, White Gold

.20ct natural diamonds open heart necklace 14kt
.20ct natural diamonds open heart necklace 14kt
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W 0.67 in L 0.48 in
TIFFANY & Co. Platinum .20ct Diamond Lynn Ring 7
By Tiffany & Co.
Located in Los Angeles, CA
Diamond: 4 round brilliant diamonds, carat total weight .20 Hallmark: ©TIFFANY&CO. PT950 Condition
Category

2010s American Cluster Rings

Materials

Diamond, Platinum

20ct Aquamarine and Diamond Cocktail Ring
Located in Austin, TX
perfect for drawing attention to their cocktail of choice help in their lovely hands. This 20ct
Category

2010s American Cocktail Rings

Materials

Aquamarine, Diamond, 14k Gold

.20ct Natural Diamonds Circles Loop ring 14kt Gold
Located in New York, NY
Circles Looping Ring .20ct. Natural Round diamonds eternity ring G color Vs-2 clarity Very good
Category

2010s American Band Rings

Materials

Diamond, 14k Gold, Yellow Gold

Sparkling 18k White Gold Diamond Ring with .20ct Natural Diamond
Located in רמת גן, IL
Sparkling 18k White Gold Diamond Ring with .20ct Natural Diamond Our exquisite 18k White Gold
Category

2010s Singaporean Engagement Rings

Materials

Diamond, White Gold

14k Yellow Gold Diamond Curb Link 20ct Necklace
Located in New York, NY
Up for sale: This absolutely stunning solid 14k yellow gold round cut natural diamond iced out
Category

2010s Art Deco Link Necklaces

Materials

Diamond, Yellow Gold

La Triomphe 18K Yellow Gold 20 ct Amethyst & 4 ct Diamond Bracelet
By La Triomphe
Located in Addison, TX
-shaped Amethyst that weighs approximately 20 carat (each stone 8 x 8mm). The diamonds on the bracelet
Category

Vintage 1980s American Retro Tennis Bracelets

Materials

Amethyst, Diamond, Yellow Gold

.20ct Natural Diamond Earrings 14kt Gold Semi Hoop
Located in New York, NY
semi hoop diamond earrings. .20 carat natural round diamonds I color Si2 clarity 14kt yellow
Category

2010s American Hoop Earrings

Materials

Diamond, 14k Gold, Yellow Gold

.20ct Natural Diamond Earrings 14kt Gold Semi Hoop
.20ct Natural Diamond Earrings 14kt Gold Semi Hoop
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W 0.12 in D 0.48 in L 0.71 in
Vintage 14KY Victorian Reproduction Diamond Bypass Bangle Bracelet .20ct
Located in Boston, MA
round diamonds weighing .20ct total weight with H color and VS2-SI1 clarity. The inside diameter is 2.12
Category

Vintage 1960s American Victorian Bangles

Materials

Diamond, 14k Gold

GSI Certified 20ct 4.3mm Natural Diamond 14K Gold Wedding Round Tennis Necklace
By GLEAMIRE
Located in Los Angeles, CA
Crafted in 29.11 grams of 14-karat White Gold, contains 58 Stones of Round Diamonds with a total of
Category

2010s American Contemporary Link Necklaces

Materials

Diamond, White Gold, 14k Gold

Illuminate Round Necklace 1/20 CT TW By Rupali Adani Fine Jewellery
Located in Dubai, DU
: Round | Average Diamond Color : FG | Average Diamond Clarity : VS-SI | Diamond Certificate : Diamonds
Category

2010s Emirian Pendant Necklaces

Materials

Diamond, 18k Gold

Tiffany & Co Engagement Ring .20ct G-VS1  Diamond Solitaire Platinum
By Tiffany & Co.
Located in Dearborn, MI
Tiffany & Co Engagement Ring .20ct G-VS1  Diamond Solitaire Platinum Featuring a SUPERB Tiffany
Category

2010s Solitaire Rings

Materials

Diamond, Platinum

Illuminate Round Ring 1/20 CT TW By Rupali Adani Fine Jewellery
Located in Dubai, DU
: Round | Average Diamond Color : FG | Average Diamond Clarity : VS-SI | Diamond Certificate : Diamonds
Category

2010s Emirian Engagement Rings

Materials

Diamond, 18k Gold

TIFFANY & Co. Etoile Platinum .20ct Solitaire Diamond Engagement Ring 4.75
By Tiffany & Co.
Located in Los Angeles, CA
: 4.75 Weight: 5.60 grams Diamond: round brilliant diamond, carat total weight .20ct, color E, clarity
Category

2010s American Engagement Rings

Materials

Diamond, Platinum

TIFFANY & Co. Elsa Peretti Platinum .20ct Diamond Cross Pendant Necklace
By Elsa Peretti for Tiffany & Co.
Located in Los Angeles, CA
TIFFANY & Co. Elsa Peretti Platinum .20ct Diamond Cross Pendant Necklace Metal: Platinum Weight
Category

2010s American Pendant Necklaces

Materials

Diamond, Platinum

Ct 3, 20 of Diamonds on Flowers Earrings in Gold
Located in Massafra, IT
Exclusive flowers design in 18k gold with round brilliant cut diamonds ct 3,20 G-H/SI. Handmade
Category

21st Century and Contemporary Italian Contemporary Chandelier Earrings

Materials

Diamond, 18k Gold

TIFFANY & Co. Elsa Peretti 18K Gold .20ct Diamond Cross Pendant Necklace
By Elsa Peretti for Tiffany & Co.
Located in Los Angeles, CA
TIFFANY & Co. Elsa Peretti 18K Gold .20ct Diamond Cross Pendant Necklace Metal: 18K yellow gold
Category

2010s American Pendant Necklaces

Materials

Diamond, 18k Gold

Stephan Hafner 18kt Yellow Gold, .20ct Diamond Pocketbook Pendant Necklace
By Stephan Hafner
Located in New York, NY
sprinkled with 0.20 carats of round brilliant diamonds. The 1" hinged purse is set on a chain with a total
Category

1990s Italian Contemporary Pendant Necklaces

Materials

Diamond, 18k Gold, Yellow Gold

Natural 20 Ct Burma Ruby & 10 Ct Diamond Butterfly 18 Kt White Gold Pin/Brooch
Located in New York, NY
Burma Ruby and Diamond Brooch , Vintage Natural 20 Ct Burma Ruby & 10 Ct Diamond Butterfly 18 Kt
Category

1990s Brooches

Materials

Diamond, Ruby, 18k Gold, White Gold

Illuminate Round Necklace 1/20ct TW by Rupali Adani Fine Jewellery
Located in Dubai, DU
: Round | Average Diamond Color : FGH | Average Diamond Clarity : SI | Diamond Certificate : Diamonds
Category

2010s Emirian Pendant Necklaces

Materials

Diamond, 18k Gold, White Gold

Ct 20, 44 of Diamonds and Zambia Emerald on Necklace
Located in Massafra, IT
is in 18k gold with natural round brilliant cut diamonds ct 6,02 F/VS. Pendant is in 18k gold with
Category

21st Century and Contemporary Art Deco Pendant Necklaces

Materials

Diamond

Ct 20, 44 of Diamonds and Zambia Emerald on Necklace
Located in Massafra, IT
is in 18k gold with natural round brilliant cut diamonds ct 6,02 F/VS. Pendant is in 18k gold with
Category

21st Century and Contemporary Art Deco Pendant Necklaces

Materials

Diamond

Diamond Wedding Ring Anniversary Band .20ct G-H 14K Made for Stacking
Located in Dearborn, MI
Diamond Band .20ct G-H 14K Wedding Anniversary Band Features 25 Genuine G-H Natural Round
Category

2010s Band Rings

Materials

Diamond, 14k Gold, White Gold

Aquamarine & White Diamond Studs Earrings 4.36ct D.20ct 18K White Gold
Located in New York, NY
single row of round white diamonds with a total weight of 0.20 carats. The gemstones and diamonds are set
Category

21st Century and Contemporary American Modern Stud Earrings

Materials

Aquamarine, Diamond, White Diamond, 18k Gold, White Gold

Tiffany & Co. Diamond Solitaire Engagement Ring Platinum .20ct H/Vs1
By Tiffany & Co.
Located in New York, NY
& CO. COMPOSITIONPLATINUM PRIMARY STONE.20CT ROUND BRILLIANT DIAMOND COLOR / CLARITYE / H VS1
Category

2010s Solitaire Rings

Materials

Diamond, Platinum

Rolex Men's Datejust II Oyster 41mm Iced Out 20ct Genuine Diamonds Ref:116300
By Rolex
Located in Pleasanton, CA
Silver and material is Stainless Steel. 20ct Diamonds beautifully custom set on the watch. Watch will fit
Category

2010s Swiss Modern Wrist Watches

Materials

Diamond, Stainless Steel

20 Ct Fine Emerald Cabochon & 4 Ct Rose Cut Diamond 18 Kt White Gold Earrings
Located in New York, NY
20 Ct Fine Emerald Cabochon & 4 Ct Rose Cut Diamond 18 Kt White Gold Earrings Emerald Diamond
Category

2010s Stud Earrings

Materials

Diamond, Emerald, 18k Gold, White Gold

Cartier Santos Men's 40mm Large Steel Watch Roman Iced 20ct Diamonds SOLITAIRE W
By Cartier
Located in Pleasanton, CA
Cartier Santos Mens 40mm Watch. A Pre-owned watch w/ Original Box and 2019 Papers. Watch is 100% Authentic and Comes with Authenticity Card. Watch Reference is WSSA0018 and is in Exc...
Category

2010s Swiss Wrist Watches

Materials

Diamond, Steel

20ct Multi-Colored Natural Spinel Diamonds Yard Necklace 14kt Gold
Located in New York, NY
round diamonds H color vs2 clarity 14 karat yellow gold 11 g 25 in total length $12,000 appraisal
Category

2010s American Multi-Strand Necklaces

Materials

Diamond, Spinel, 14k Gold, Yellow Gold

JAS-20-2064 - 24KT GOLD/SS MICRO MOSAIC RING with 0.50 CT DIAMONDS
Located in New York, NY
COLOR SI1/2 ROUND BRILLIANT DIAMONDS Total Ct Weight: 0.50 cwt. Item Weight 12.50 gm Ring Size: 8
Category

21st Century and Contemporary American Modern Fashion Rings

Materials

Diamond, Gold, 24k Gold, Silver

GIA Certified 20ct Zambian Emerald & 15ct Diamond Necklace Earring Suite 18KWG
Located in New York, NY
GIA certified 20 ct Zambian Emerald & 15 ct Diamond Necklace and Earring Bridal Suite 18KW Gold
Category

2010s Drop Necklaces

Materials

Diamond, Emerald, 18k Gold

14kt Yellow Gold .15cttw Diamond .20ct Ruby Hoops Friction Posts 25mm, 3mm Wide
Located in Rancho Santa Fe, CA
Timeless 14kt yellow gold hoops with 14 bead set round brilliant diamonds of approximately .15cttw
Category

1990s Unknown Modern Hoop Earrings

Materials

Diamond, Ruby, 14k Gold, Yellow Gold

Classic White 12-17 MM South Sea Cultured Pearl & 20 Ct Diamond Necklace, 17"
Located in New York, NY
White South Sea cultured pearls with 20 ct of diamonds set in 18K White Gold. Weight of the necklace in
Category

1990s Beaded Necklaces

Materials

Diamond, Cultured Pearl, South Sea Pearl, 18k Gold

Vintage Retro Large 20ct GIA Rectangular Aquamarine & Diamond Gold Cocktail Ring
Located in Montclair, NJ
Information Below* (6) Natural Genuine Diamonds - Round Brilliant Cut - Pave Set - G/H Color - VS1/VS2 Clarity
Category

21st Century and Contemporary Retro Cocktail Rings

Materials

Aquamarine, Diamond, Gold

Gianni Lazzaro 20, 60 Ct Tourmaline Ruby Diamond White 18K Gold Earrings for Her
By Natkina
Located in Montreux, CH
Earrings White Gold 18 K Gianni Lazzaro (Matching Ring Available) Diamonds 74-1,07 ct Ruby 88
Category

21st Century and Contemporary Swiss Modern Lever-Back Earrings

Materials

Diamond, Ruby, Tourmaline, Gold, 18k Gold

20ct (14mm) Natural Mediterranean OxBlood Red Coral & Diamond Ring in 14K Gold.
Located in MELBOURNE, AU
., measuring 14mm in diameter of perfectly round spherical shape, the gemstone is mounted in a highly
Category

Vintage 1960s Italian Retro Cocktail Rings

Materials

Coral, Diamond, 14k Gold

1-1/20 ct. Oval Sapphire and Diamond Accent Sterling Silver Pendant Necklace
By Affinity Designs LLC
Located in New York, NY
oval-cut sapphire accented by sparkling round white diamonds with a sterling silver cable chain. The
Category

2010s Asian Contemporary Pendant Necklaces

Materials

Diamond, Sapphire, Sterling Silver

0.40 CT Natural Diamond Bezel Earrings G SI in 14K White Gold 20 Points Each
Located in New York, NY
Round Cut Diamond Earrings 0.40CT G-H SI 14K White Gold, 0.5 grams, Bezel Style 1/4 inch in height
Category

21st Century and Contemporary American Contemporary Stud Earrings

Materials

Diamond, 14k Gold, White Gold

14K White Gold 20ct Aquamarine Cushion Cut w/ Diamond Halo Large Button Earrings
Located in Montclair, NJ
Diamonds - Round Brilliant Cut - Bezel Set - G-I Color - VS1-SI1 Clarity - 2.0ctw (approx.) Total Carat
Category

21st Century and Contemporary Stud Earrings

Materials

Aquamarine, Diamond, 14k Gold, White Gold

1-1/20 ct. Aquamarine and Diamond Accent Dangle Earrings in 14K Yellow Gold
By Affinity Designs LLC
Located in New York, NY
accompanied by sparkling round single cut white diamonds. The 14K yellow gold setting adds touches of luxury
Category

2010s Asian Contemporary Dangle Earrings

Materials

Aquamarine, Diamond, Yellow Gold

NWT $29, 459 18KT Rare Fancy South Sea Pearl 20CT Glittering Ruby Diamond Bangle
Located in New York, NY
South Sea Pearl Ruby Sapphire Diamond Bangle Bracelet. This Magnificent Bangle is comprised of Rare Fine
Category

21st Century and Contemporary Bangles

Materials

Diamond, Natural Pearl, South Sea Pearl, Ruby, Gold, 18k Gold

Retro Inspired 20 Carat Kunzite Ring in 18K White Gold with 0.66 CT in Diamonds
Located in Miami, FL
Shop this 20.76 carat oval cut pink Kunzite ring in 18K white gold with 0.66 carats diamond side
Category

2010s North American Retro Cocktail Rings

Materials

Diamond, Kunzite, 18k Gold, White Gold

The 20ct Aquamarine Sapphire Eagle Ray Drop Earrings, Silver
By LeBlanc Jewellery
Located in Stoke-On-Trent, GB
the ray, round diamonds accent the curve of the fan cuts. A celebration of nature, these earrings are
Category

2010s Art Deco Drop Earrings

Materials

Aquamarine, Sapphire, Silver

The 20ct Aquamarine Eagle Ray Earrings, 18Kt White Gold
By LeBlanc Jewellery
Located in Stoke-On-Trent, GB
the ray, round diamonds accent the curve of the fan cuts. A celebration of nature, these earrings are
Category

2010s Art Deco Drop Earrings

Materials

Aquamarine, Sapphire, White Gold, 18k Gold

The 20ct Aquamarine Sapphire Eagle Ray Drop Earrings, 14kt White Gold
By LeBlanc Jewellery
Located in Stoke-On-Trent, GB
the ray, round diamonds accent the curve of the fan cuts. A celebration of nature, these earrings are
Category

2010s Art Deco Drop Earrings

Materials

Aquamarine, Sapphire, 14k Gold, White Gold

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20ct Round Diamond For Sale on 1stDibs

Surely you’ll find the exact 20ct round diamond 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 18k gold. Find an antique version now, or shop for 500 vintage or 757 modern creation for a more contemporary example of these cherished accessories. Making the right choice when shopping for a 20ct round diamond may mean carefully reviewing examples of this item dating from different eras — you can find an early iteration of this piece from the 18th Century and a newer version made as recently as the 21st Century, both of which have proven very popular over the years. There have been many well-made iterations of the classic 20ct round diamond over the years, but those made by Oshi Jewels, Tiffany & Co. and LB Exclusive are often thought to be among the most beautiful. A round cut version of this piece has appeal, but there are also brilliant cut and oval cut versions for sale. If you’re browsing our inventory for a 20ct round diamond, you’ll find that many are available today for women, but there are still pieces to choose from for unisex and men.

How Much is a 20ct Round Diamond?

On average, a 20ct round diamond at 1stDibs sells for $2,323, while they’re typically $0 on the low end and $675,000 for the highest priced versions of this item.