20ct Diamond
61
to
387
2,027
881
428
413
394
145
102
74
63
41
19
13
11
7
5
5
3
2
16
129
1,329
1,770
43
28
205
59
36
42
64
65
60
46
14
189
64
49
38
31
2,277
925
57
3,246
13
2,633
1,230
987
824
676
3,030
460
293
274
270
4
2
2
958
350
204
160
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Modernist 18k Gold .20ct Diamond Brooch
Located in Montreal, QC
Modernist 18k Gold .20ct Diamond brooch pin with ivory color design. Measures 2 inches x 1 7/8
Category
Mid-20th Century Modernist Brooches
Materials
Diamond, 18k 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
TIFFANY & Co. Platinum .20ct Diamond Lynn Ring 7
By Tiffany & Co.
Located in Los Angeles, CA
TIFFANY & Co. Platinum .20ct Diamond Lynn Ring 7
Metal: Platinum
Size: 7
Weight: 5.20 grams
Category
2010s American Cluster 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
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
20ct diamond earrings HRD Certified
Located in Burnley, GB
Stunning 20.21cts total drop earrings in 18ct white gold
Each stones details:
10.14cts K VS2 HRD Certified
10.07cts L SI1 HRD Certified
Please take a look at our other listings for...
Category
21st Century and Contemporary English Art Deco Drop Earrings
Materials
Diamond, 18k 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
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
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
Free Shipping
Dm 1.58 in
Platinum Asprey &Co 20 Ct Diamond Bracelet Estate to His Majesty Qaboos Bin Said
By Asprey London
Located in Antwerp, BE
diamonds in total approx. 4.92 ct.
baguette cut diamonds in total approx. 7.92 ct.
Marquise cut
Category
20th Century British Artisan Charm Bracelets
Materials
Diamond
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
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
Free Shipping
Dm 1.62 in
4.68ct Natural Emerald Diamonds Ring 14kt Gold
Located in New York, NY
Transparent
.20ct. Diamonds.
Round & full cut
H-color Vs-2 clarity.
14kt. white gold
4.5 grams
Ring
Category
2010s American Solitaire Rings
Materials
Diamond, Emerald, 14k Gold, White Gold
18kt White Gold Ring Big Amethyst Center Stone & Blue, Pink Sapphires, Diamonds
Located in Antwerp, BE
Sapphires, Diamonds
Centre stone: amethyst Approx. 20 Ct
Diamonds: brilliant cut together 0.58 ct.
Pink
Category
21st Century and Contemporary European Artisan More Rings
Materials
Diamond, Yellow Sapphire, Pink Sapphire, Blue Diamond, Amethyst, White G...
Platinum and Diamond Wedding Band Ring Size 6.5 #17094
Located in Washington Depot, CT
mm.
Approximate total diamond weight: .20 ct.
Diamond color: G
Diamond clarity: VS1
Ring Size
Category
21st Century and Contemporary Wedding Rings
Materials
White Diamond, Platinum
14 Karat White Gold Pearl and Diamond Dangle Earrings
Located in Washington Depot, CT
diamond weight: .20 ct.
Diamond color: I
Diamond clarity: I3
Size: 27 mm x 9 mm
Weight: 1.9
Category
20th Century Dangle Earrings
Materials
Diamond, Pearl, 14k Gold, White Gold
14 Karat White Gold Diamond Pendant Necklace
Located in Washington Depot, CT
brilliant cut diamonds set in beautifully detailed 14K white gold.
Approximate total diamond weight: .20
Category
20th Century Pendant Necklaces
Materials
Diamond, White Gold
GIA 1.78 Carat Natural No Heat Bright Pink Sapphire Diamond Ring 18 Karat
Located in New York, NY
.20ct. Diamonds.
Round & full cuts
H-color Vs-2 clarity.
18kt. yellow gold
4.2 grams
Ring
Category
2010s American Solitaire Rings
Materials
Diamond, Pink Sapphire, 18k Gold, Yellow Gold
14 Yellow Gold and Diamond Wedding Band Ring
Located in Washington Depot, CT
weight: 20 ct.
Diamond color: G-H
Diamond clarity: SI1-I1
Ring Size: 6.25
Weight: 1.0 dwt
Category
20th Century Indian Wedding Rings
Materials
Diamond, Yellow Gold
14 Karat White Gold Diamond Station Necklace
Located in Washington Depot, CT
round brilliant cut diamonds set in classic 14K white gold.
Approximate total diamond weight: .20 ct
Category
20th Century Link Necklaces
Materials
Diamond, White Gold
14 Karat White Gold and Diamond Earrings
Located in Washington Depot, CT
diamond weight: .20 ct.
Diamond clarity: SI-I1
Size: 13 mm
Weight: 2.9 dwt. / 4.6 gr.
Stamped: 14K
Category
20th Century Stud Earrings
Materials
Diamond, White Gold
14 Karat White Gold Diamond Wedding Band
Located in Washington Depot, CT
.
Approximate total diamond weight: .20 ct.
Diamond color: G-H
Diamond clarity: SI1-VS2
Ring Size: 5.75
Category
20th Century Wedding Rings
Materials
Diamond, White Gold
14 Karat White Gold Diamond Cross Pendant
Located in Washington Depot, CT
diamond weight: .20 ct.
Diamond color: J
Diamond clarity: SI1-I1
Size: 21 mm x 10 mm
Weight: 0.5 dwt
Category
20th Century Pendant Necklaces
Materials
Diamond, White Gold
18 Karat Yellow Gold and Diamond "LOVE" Bracelet #17096
Located in Washington Depot, CT
brilliant cut diamonds set in classic 18K yellow gold.
Approximate total diamond weight: .20 ct.
Diamond
Category
21st Century and Contemporary Link Bracelets
Materials
Diamond, 18k Gold, Yellow Gold
10 Karat Rose Gold Three Diamond Pendant Necklace #16627
Located in Washington Depot, CT
brilliant cut diamonds set in classic 10K rose gold.
Approximate total diamond weight: .20 ct.
Diamond
Category
21st Century and Contemporary Pendant Necklaces
Materials
Diamond, 10k Gold, Rose Gold
14 White Gold and Diamond Wedding Band Ring
Located in Washington Depot, CT
.
Approximate total diamond weight: .20 ct.
Diamond color: J
Diamond clarity: SI1-I1
Size: 7
Weight: 1.0
Category
20th Century Wedding Rings
Materials
Diamond, White Gold
10 Karat Yellow Gold Sapphire and Diamond Ring
Located in Washington Depot, CT
.
Approximate total diamond weight: .20 ct.
Diamond color: I
Diamond clarity: I2-I3
Ring Size: 6.5
Weight
Category
20th Century Fashion Rings
Materials
Diamond, Sapphire, Yellow Gold
14 Karat White Gold Princess Cut Diamond Wedding Band
Located in Washington Depot, CT
.
Approximate total diamond weight: .20 ct.
Diamond color: I
Diamond clarity: SI1-SI2
Ring Size 6.25
Weight
Category
20th Century Wedding Rings
Materials
Diamond, White Gold
14 Karat Two Tone Gold and Diamond Ring Size 7 #14731
Located in Washington Depot, CT
and white gold. Width: 5 mm.
Shank: 2 mm.
Approximate diamond weight: .20 ct.
Diamond color: H-I
Category
20th Century Engagement Rings
Materials
White Diamond, Gold, 14k Gold, White Gold, Yellow Gold
10 Karat White Gold Diamond Pendant Necklace
Located in Washington Depot, CT
weight: .20 ct.
Diamond color: J
Diamond clarity: SI1-I1
Size: 16 mm x 3 mm
Weight: 0.3 dwt. / 0.5 gr
Category
20th Century Pendant Necklaces
Materials
Diamond, White Gold
14 Karat Yellow Gold Diamond Stud Earrings .20cttwt
Located in Washington Depot, CT
.
Approximate total diamond weight: .20 ct.
Diamond clarity: SI2
Diamond color: I
Size: 4 mm
Weight: 0.7 dwt
Category
20th Century Stud Earrings
Materials
Diamond, Yellow Gold
18 Karat White Gold and Diamond Earrings
Located in Washington Depot, CT
diamond weight: .20 ct.
Diamond color: H
Diamond clarity: SI1
Size: 14 mm x 7 mm
Weight: 1.9 dwt
Category
Early 20th Century Dangle Earrings
Materials
Diamond, White Gold
10 Karat White Gold and Diamond Band Ring
Located in Washington Depot, CT
single cut diamonds set in classic 10K white gold. Width: 2 mm.
Approximate total diamond weight: .20 ct
Category
20th Century Band Rings
Materials
Diamond, White Gold
14 Karat Yellow Gold and Diamond Earrings #16041
Located in Washington Depot, CT
weight: .20 ct.
Diamond color: I
Diamond clarity: I2-I3
Size: 8 mm
Stamped: 14K
Weight: 1.0 gr./ .65
Category
21st Century and Contemporary Drop Earrings
Materials
Diamond, 14k Gold, Yellow Gold
18 Karat Yellow Gold and Diamond Cross Pendant #17072
Located in Washington Depot, CT
brilliant cut diamond set in classic 18K yellow gold.
Approximate total diamond weight: .20 ct.
Diamond
Category
21st Century and Contemporary Pendant Necklaces
Materials
Diamond, 18k Gold, Yellow Gold
Vintage 10 Karat White Gold and Diamond Pendant Necklace
Located in Washington Depot, CT
round single cut diamonds set in classic 10K white gold.
Approximate total diamond weight: .20 ct
Category
20th Century Pendant Necklaces
Materials
Diamond, White Gold
10 Karat Yellow Gold Emerald and Diamond Ring
Located in Washington Depot, CT
. Shank: 2 mm.
Approximate total diamond weight: .20 ct.
Diamond color: I-J
Diamond clarity: I1-I2
Category
20th Century Fashion Rings
Materials
Diamond, Emerald, 10k Gold, Yellow Gold
14 Karat White Gold and Diamond Filigree Pendant Necklace
Located in Washington Depot, CT
necklace.
Approximate total diamond weight: .20 ct.
Diamond color: G
Diamond clarity: VS2
Size
Category
20th Century Pendant Necklaces
Materials
Diamond, White Gold
14 Karat Yellow Gold and Diamond Ring Size 6.5 #15966
Located in Washington Depot, CT
: .20 ct.
Diamond color: G
Diamond clarity: VS1
Ring Size: 6.75
Stamped: 14K
Weight: 2.7 gr./ 1.7
Category
20th Century Engagement Rings
Materials
Diamond, 14k Gold, Yellow Gold
10 Karat White Gold and Diamond Ring
Located in Washington Depot, CT
total diamond weight: .20 ct.
Diamond clarity: I1
Diamond color: I-J
Ring Size: 7.25
Weight: 1.4 dwt
Category
20th Century Band Rings
Materials
Diamond, White Gold
14 Karat White Gold Ruby and Diamond Ring
Located in Washington Depot, CT
.
Ruby weight: 2.07 ct.
Total diamond weight: .20 ct.
Diamond color: G-H
Diamond clarity: SI1-VS2
Category
20th Century Solitaire Rings
Materials
Diamond, Ruby, White Gold
Vintage 14 Karat White Gold and Diamond Cross Pendant
Located in Washington Depot, CT
round brilliant cut diamonds set in classic 14K white gold.
Approximate total diamond weight: .20 ct
Category
20th Century Pendant Necklaces
Materials
Diamond, White Gold
10 Karat White Gold Diamond Band Ring Size 5.5 #16639
Located in Washington Depot, CT
weight: .20 ct.
Diamond clarity: SI1-I1
Diamond color: I-J
Ring Size: 5.5
Stamped: 10K
Weight: 1.5
Category
21st Century and Contemporary Wedding Rings
Materials
Diamond, 10k Gold, White Gold
14 Karat White Gold Diamond Wedding Band
Located in Washington Depot, CT
.
Approximate total diamond weight: .20 ct.
Diamond color: J-K
Diamond clarity: SI1-SI2
Ring Size: 6.5
Category
20th Century Wedding Rings
Materials
White Gold
14 Karat White Gold Natural Sapphire and Diamond Ring
Located in Washington Depot, CT
. Shank: 1.5 mm.
Approximate total diamond weight: .20 ct.
Diamond color: J-K
Diamond clarity: SI1
Category
20th Century Fashion Rings
Materials
Diamond, Sapphire, 14k Gold, White Gold
14 Karat Yellow Gold and Diamond Band Ring Size 9 #15972
Located in Washington Depot, CT
weight: .20 ct.
Diamond color: H-I
Diamond clarity: SI1-I1
Ring Size: 9
Stamped: 14K
Weight: 2.7 gr
Category
21st Century and Contemporary Band Rings
Materials
Diamond, 14k Gold, Yellow Gold
18 Karat White Gold Moonstone and Diamond Ring Size 7.75
Located in Washington Depot, CT
gold. Width: 9 mm. Shank: 6 mm.
Approximate total diamond weight: .20 ct.
Diamond color: H-J
Category
20th Century Fashion Rings
Materials
Diamond, Moonstone, White Gold
10 Karat Yellow Gold and Diamond Wedding Band Ring Size 7.5
Located in Washington Depot, CT
.
Approximate total diamond weight: .20 ct.
Diamond color: I
Diamond clarity: I3
Size: 7.5
Weight: 1.9 dwt
Category
20th Century Wedding Rings
Materials
Diamond, 10k Gold, Yellow Gold
18 Karat White Gold Natural Sapphire and Diamond Ring
Located in Washington Depot, CT
. Shank: 2 mm.
Approximate total diamond weight: .20 ct.
Diamond color: G-H
Diamond clarity: SI1
Ring
Category
20th Century Fashion Rings
Materials
Sapphire, White Gold
14 Karat White Gold Diamond Heart Pendant Necklace
Located in Washington Depot, CT
.
Approximate total diamond weight: .20 ct.
Diamond color: I
Diamond clarity: I1
Size: 16.5 inches (necklace
Category
20th Century Pendant Necklaces
Materials
Diamond, White Gold
14 Karat Yellow Gold Pearl and Diamond Earrings
Located in Washington Depot, CT
closures.
Approximate total diamond weight: .20 ct.
Diamond color: H
Diamond clarity: SI1-I1
Size: 9 mm
Category
20th Century Stud Earrings
Materials
Diamond, Pearl, Yellow Gold
18 Karat White Gold and Diamond Cross Pendant Necklace #17226
Located in Washington Depot, CT
diamond weight: .20 ct.
Diamond color: I-K
Diamond clarity: SI1-VS2
Size: 23 mm x 15 mm (pendant
Category
21st Century and Contemporary Pendant Necklaces
Materials
Diamond, 18k Gold, White Gold
Vintage 10 Karat Yellow Gold and Diamond Ring size 6.75 #15315
Located in Washington Depot, CT
and abrasions noted to stone.
Total diamond weight: .20 ct.
Diamond color: I
Diamond clarity: I2
Category
20th Century Engagement Rings
Materials
Diamond, 10k Gold, Yellow Gold
14 Karat White Gold Natural Sapphire and Diamond Pendant
Located in Washington Depot, CT
total diamond weight: .20 ct. Diamond clarity: SI1 Diamond color: I
Size: 10 mm x 10 mm
Weight: 1.4
Category
20th Century Pendant Necklaces
Materials
Sapphire, White Gold
14 Karat Yellow Tanzanite and Diamond Bracelet #13712
Located in Washington Depot, CT
14K yellow gold. Width: 3 mm.
Tanzanite weight; 2.38 ct.
Total diamond weight: .20 ct.
Diamond
Category
20th Century Link Bracelets
Materials
Diamond, Tanzanite, 14k Gold
14 Karat Yellow Gold Emerald and Diamond Pendant #17074
Located in Washington Depot, CT
total diamond weight: .20 ct.
Diamond color: I
Diamond clarity: I1
Size: 16 mm x 8 mm
Tested 14K
Category
21st Century and Contemporary Pendant Necklaces
Materials
Diamond, Emerald, 14k Gold, Yellow Gold
14 Karat Yellow Gold Opal and Diamond Ring
Located in Washington Depot, CT
gold. Width: 25 mm. Shank: 3 mm.
Approximate total diamond weight: .20 ct.
Diamond clarity: SI1-I1
Category
20th Century Cocktail Rings
Materials
Diamond, Opal, Yellow Gold
14 Karat White Gold and Graduated Diamond Pendant Necklace
Located in Washington Depot, CT
chain.
Approximate total diamond weight: .20 ct.
Diamond color: H
Diamond clarity: I1
Size: 16.5
Category
20th Century Pendant Necklaces
Materials
Diamond, White Gold
14 Karat Yellow Gold Opal and Diamond Brooch / Pin
Located in Washington Depot, CT
.
Approximate total diamond weight: .20 ct.
Diamond clarity: I2
Diamond color: I
Size: 60 mm x 35 mm
Weight
Category
20th Century Brooches
Materials
Diamond, Opal, Yellow Gold
14 Karat Yellow Gold Natural Sapphire and Diamond Ring
Located in Washington Depot, CT
.
Shank: 3 mm.
Approximate total diamond weight: .20 ct.
Diamond color: G
Diamond clarity: VS1-VS2
Category
20th Century Band Rings
Materials
Diamond, Sapphire, Yellow Gold
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20ct Diamond For Sale on 1stDibs
On 1stDibs, you can find the most appropriate 20ct diamond for your needs in our varied inventory. Frequently made of Gold, White Gold and 18k Gold, this item was constructed with great care. Find an antique version now, or shop for 88 vintage or 104 modern creation for a more contemporary example of these cherished accessories. Finding the perfect 20ct diamond may mean sifting through those created during different time periods — you can find an early version that dates to the 19th 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. There have been many well-made iterations of the classic 20ct diamond over the years, but those made by Cartier, Tiffany & Co. and LB Exclusive 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 emerald cut and oval cut alternatives. There aren’t many items for men if you’re seeking a 20ct diamond, as most of the options available are for women and unisex.
How Much is a 20ct Diamond?
The price for a 20ct diamond starts at $217 and tops out at $1,150,000 with these rings, on average, selling for $5,333.
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