18 Carat Round
580
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8,169
39,847
13,199
42,665
16,953
16,288
7,964
4,140
2,057
2,012
2,003
1,862
1,566
1,355
938
846
579
566
529
449
424
420
221
177
97
54
49
46
40
31
23
20
13
12
9
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5
3
3
3
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2
2
2
1
1
1
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1,267
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918
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18 Carat Round Brilliant Cut 18 Carat White Gold Tennis Necklace
By Antinori Fine Jewels
Located in Rome, IT
Timelessly elegant riviera necklace dazzles with 18 carats of bright white, eye clean, and
Category
2010s Italian Modern Chain Necklaces
Materials
White Diamond, 18k Gold, White Gold
Bespoke 18 Carat Round Diamond 18 Karat Rose Gold Four Claw Line Tennis Bracelet
By Hasbani Diamonds
Located in London, GB
Carats of White Color H Clarity SI1 Round Brilliant Cut natural diamonds beautifully held in a classic 4
Category
2010s British Modern Tennis Bracelets
Materials
Diamond, White Diamond, Gold, 18k Gold, Rose Gold, White Gold, Yellow Gold
Bracelet Yellow Gold
Located in PARIS, FR
Bracelet in yellow gold 750 thousandths (18 carats). round corrugated wire. diameter: 6.4 cm
Category
20th Century French Bangles
Materials
Yellow Gold
Chain Necklace Yellow Gold
Located in PARIS, FR
Long necklace 2 golds 750 thousandths (18 carats). round forçat chain. length: 70 cm. irregular
Category
20th Century French Chain Necklaces
Materials
Yellow Gold
Zenith Watch Yellow Gold
By Zenith
Located in PARIS, FR
Zenith watch in steel and yellow gold 750 thousandths (18 carats). round dial 32 mm in diameter
Category
20th Century French Wrist Watches
Materials
Yellow Gold
Bracelet Yellow Gold
Located in PARIS, FR
Bracelet rush. in yellow gold 750 thousandths (18 carats). round shape. round thread. solid. inner
Category
20th Century French More Bracelets
Materials
Yellow Gold
Bracelet Yellow Gold
Located in PARIS, FR
Bracelet in yellow gold 750 thousandths (18 carats). round fancy mesh. closure with eight and
Category
20th Century French Link Bracelets
Materials
Yellow Gold
Drop Earrings Yellow Gold Diamond
Located in PARIS, FR
Creoles in yellow gold 750 thousandths (18 carats). round wire. set with 20 brilliant-cut diamonds
Category
20th Century French Lever-Back Earrings
Materials
Diamond, Yellow Gold
Diamond Whitegold Mens Ring
Located in AMSTERDAM, NL
adjusted.
Material: White gold
Quality: 18 carat
Round table diameter: 13.15 mm
diamond: 12x 0.08ct
Category
Mid-20th Century Cluster Rings
Materials
Diamond, 18k Gold
18 Carat Riviera Round Diamond Necklace 18 Karat Gold
Located in Rome, IT
Riviera necklace with 18 carats of high quality diamonds! This is quite a fantastic piece that is
Category
21st Century and Contemporary Italian Chain Necklaces
Materials
Diamond, Gold, 18k Gold, Yellow Gold
GIA Certified 23 Carat Round Brilliant Cut Diamond 18 Carat Bracelet
By Antinori Fine Jewels
Located in Rome, IT
GIA Certified 23 Carat Round Brilliant Cut Diamond 18 Carat Bracelet
Category
2010s Unknown Modern Tennis Bracelets
Materials
Diamond, White Diamond, Emerald, Platinum
25 Carat Riviera Round Brilliant Cut Necklace 18 Carats White Gold
By Antinori Fine Jewels
Located in Rome, IT
An exquisite riviera necklace of 25 carats
top quality set in 18 carats whtie gold
F/G color
VS
Category
2010s Italian Modern Multi-Strand Necklaces
Materials
Diamond, White Diamond, 18k Gold, White Gold
20 Carat Riviera Round Brilliant Cut Necklace 18 Carats White Gold
By Antinori Fine Jewels
Located in Rome, IT
An exquisite riviera necklace of 20 carats
Category
2010s Italian Modern Multi-Strand Necklaces
Materials
Diamond, White Diamond, 18k Gold, White Gold
5.70 Carat Round Brilliant Cut Diamonds 18 Carat Yellow Gold Tennis Bracelet
By Antinori Fine Jewels
Located in Rome, IT
Round Brilliant Cut Diamonds set in a rich 18K Yellow Gold setting. Here are the captivating details
Category
2010s Italian Modern Chain Bracelets
Materials
Diamond, White Diamond, Yellow Gold, 18k Gold
0.62 Carat Round Brilliant Diamond Engagement Ring in 18 Carat White Gold
Located in Hamilton, AU
Lovingly forged in 18 carat white gold, this opulent vintage engagement ring features an impressive
Category
20th Century Australian Modern Engagement Rings
Materials
Diamond, 18k Gold, White Gold
0.57 Carat Round Ruby & 0.52ctw Round Diamonds 18 Karat Pendant Necklace
Located in Houston, TX
This necklace features a 0.57 carat natural round ruby accented by 0.52 carat in round natural
Category
21st Century and Contemporary American Pendant Necklaces
Materials
Diamond, Ruby, 18k Gold
18 Karat Yellow Gold Round Halo Diamond Earrings '1 Carat'
Located in San Francisco, CA
These delicate earrings feature two round shaped diamonds that are approximately 0.70-carat total
Category
21st Century and Contemporary American More Earrings
Materials
Diamond, Yellow Gold
18 Karat White Gold Round Halo Diamond Earrings '1 Carat'
Located in San Francisco, CA
These delicate earrings feature two round shaped diamonds that are approximately 0.70-carat total
Category
21st Century and Contemporary American More Earrings
Materials
Diamond, White Gold
7 Carat Round and Baguette Cut Diamond 18 Carat White Gold Necklace
By Antinori Fine Jewels
Located in Rome, IT
Authentic 18K White Gold Unisex 7.03 ct Total Weight Round Brilliant & Baguette Cut Diamonds Heart
Category
2010s Italian Chain Necklaces
Materials
Diamond, White Diamond, Yellow Gold, 18k Gold, White Gold
11 Carat Round Shape Spinel and 4.2 Carat Diamond Pendant Necklace 18 Karat Gold
Located in New York, NY
11 Carat Round Shape Spinel & Diamond Pendant Necklace 18 K Gold
This spectacular Pendant
Category
2010s Pendant Necklaces
Materials
Diamond, Spinel, 18k Gold
18 Carat White Gold Longines Watch Round Diamond
By Longines
Located in Palermo, IT
18kt White Gold Longines with Round Diamond. 17,5 cm
gr 33,60
Category
Vintage 1960s Swiss Wrist Watches
Materials
Diamond, White Gold
1.58 Carat Round Brilliant Diamond Ring 18 Karat Yellow Gold
Located in BEVERLY HILLS, CA
. Complimented by 0.18 carats of round brilliant diamonds, approximately H/I color and SI clarity. 18-karat
Category
21st Century and Contemporary American Contemporary Engagement Rings
Materials
White Diamond, Diamond, Yellow Gold, 18k Gold
1.03 Carat Round Brilliant Diamond Ring 18 Karat Yellow Gold
Located in BEVERLY HILLS, CA
. Complimented by 20 round brilliant diamonds, 0.18 carats. Approximately F/G color and VVS2/VS1 clarity. 18
Category
21st Century and Contemporary American Contemporary Engagement Rings
Materials
White Diamond, Diamond, Yellow Gold, 18k Gold
1.46 Carat Round Brilliant Diamond Ring 18 Karat Yellow Gold
Located in BEVERLY HILLS, CA
. Complimented by 0.37 carats of round brilliant diamonds, approximately H/I color and SI clarity. 18-karat
Category
21st Century and Contemporary American Contemporary Engagement Rings
Materials
White Diamond, Diamond, Yellow Gold, 18k Gold
18 Karat Round Diamond Stud Earrings, 0.80 Carat
Located in Palm Desert, CA
Beautiful timeless 18 Karat Brilliant-Cut Diamond Stud Earrings. The studs are four prong-set on a
Category
21st Century and Contemporary American Contemporary Stud Earrings
Materials
Diamond, Gold, White Gold, 18k Gold
.80 Carat Natural Round Diamonds Regency Knot Ring 18 Karat
Located in New York, NY
Regency Deco Wire Wrap Knot Ring
.80ct. Natural diamonds ring
G-color Vs-2 clarity
Very good Cuts / Full cut Brilliants
18kt yellow gold
Ring size: 6
(Complimentary resizing a...
Category
2010s American More Rings
Materials
Diamond, 18k Gold, Yellow Gold
18 Karat Yellow Gold Round Halo Diamond Earrings '3/4 Carat'
Located in San Francisco, CA
These delicate earrings feature two round shaped diamonds that are approximately 0.50-carat total
Category
21st Century and Contemporary American More Earrings
Materials
Diamond, Yellow Gold
18 Karat White Gold Round Halo Diamond Earrings '3/4 Carat'
Located in San Francisco, CA
These delicate earrings feature two round shaped diamonds that are approximately 0.50-carat total
Category
21st Century and Contemporary American More Earrings
Materials
Diamond, White Gold
1.01 Carat Round Diamond Solitaire 18 Karat Yellow Gold Engagement Ring
Located in Sherman Oaks, CA
: 8CRT3849
SHAPE/CUT: ROUND BRILLIANT
MEASUREMENT: 5.98 - 6.07 x 4.16 MM
WEIGHT: 1.01 CARATS
COLOR: NEAR
Category
Late 20th Century Engagement Rings
Materials
Diamond, 18k Gold
1.77 Carat Round Brilliant Diamond 18 Karat White Gold Engagement Ring
Located in Sherman Oaks, CA
18 karat white gold setting
Ring size = 6.25
Diamond Center Stone Specs:
Diamond Carat weight
Category
21st Century and Contemporary American Engagement Rings
Materials
Diamond, 18k Gold
5.61 Carat 3 Row Round Diamond 18 Karat Gold Eternity Ring
By Sebastian Bernard
Located in Los Angeles, CA
This beautiful Eternity Ring is made in 18K Gold with 66 2.80 mm perfectly matched Round Brilliant
Category
2010s American Wedding Rings
Materials
Diamond, 18k Gold
18 Karat Yellow Gold Round Yellow Sapphire Ring 'Center 1.40 Carat'
Located in San Francisco, CA
French Pave set diamonds in three-fourths of the band in this petit ring centering a 1.40 carat
Category
21st Century and Contemporary American More Rings
Materials
Yellow Sapphire, Yellow Gold
11.05 Carat Round Diamond Tennis Necklace 14 Karat Yellow Gold 18''
Located in Great Neck, NY
Natural round-brilliant cut white diamonds clean and Excellent shine.
14k yellow gold classic four
Category
2010s American Chain Necklaces
Materials
Diamond, White Diamond, 14k Gold, Yellow Gold
11.05 Carat Round Diamond Tennis Necklace 14 Karat Yellow Gold 18''
Located in Great Neck, NY
Natural round-brilliant cut white diamonds clean and Excellent shine.
14k yellow gold classic four
Category
2010s American Chain Necklaces
Materials
Diamond, White Diamond, 14k Gold, Yellow Gold
9.27 Carat Round Cut Diamond Eternity Band 'Avg 0.71 Carat Each' 18 Karat Gold
By Alexander Beverly Hills
Located in BEVERLY HILLS, CA
Timeless diamond eternity band. High jewelry by Alexander Beverly Hills.
13 round brilliant
Category
21st Century and Contemporary American Modern Band Rings
Materials
Diamond, White Gold, 18k Gold, Gold
Roman Malakov 18 Carats Total Graduating Round Diamond Riviere Tennis Necklace
By Roman Malakov
Located in New York, NY
A brilliant and classic piece of jewelry showcasing a line of round brilliant diamonds that
Category
21st Century and Contemporary American Contemporary Link Necklaces
Materials
Diamond, 18k Gold, White Gold
1.5 Carat Round Cut Emerald and 1.2 Carat Diamond Ring 18 Karat White Gold
Located in New York, NY
Approximately 1.5 Carat Round Cut Emerald & 1.2 Carat Diamond Ring 18 K White Gold
Round Emerald
Category
Early 20th Century Solitaire Rings
Materials
Diamond, Emerald, 18k Gold, White Gold
12.76 Carat Round Brilliant Diamonds Dangling Necklace 18 Karat White Gold
Located in BEVERLY HILLS, CA
Exquisite dangling round brilliant diamond high jewelry necklace.
353 diamonds total, 12.76 carats
Category
21st Century and Contemporary American Contemporary Drop Necklaces
Materials
Diamond, 18k Gold, White Gold
1.00 Carat Round White Diamond Claw Set Cluster 18 Carat Gold Chain Pendant
Located in London, GB
A gorgeous 1.00ct claw set round pendant, inlaid with various size diamonds this pendant has a
Category
2010s British Modern Pendant Necklaces
Materials
Diamond, White Diamond, Yellow Gold, Rose Gold, Gold, 18k Gold, White Gold
18 Karat Yellow Gold 6.58 Carat Round Aquamarine Ring
By Deborah Murdoch
Located in Scotland, GB
18 Karat Yellow Gold Ring by Deborah Murdoch is from the Abundance Collection featuring a Unique
Category
21st Century and Contemporary British Contemporary Cocktail Rings
Materials
Aquamarine, 18k Gold, Yellow Gold
4.82 Carat Round Brilliant Diamond 18 Karat Yellow Gold Cocktail Ring
Located in Sherman Oaks, CA
Gorgeous 18k Yellow Gold Diamond Solitaire Ring with Pave Diamond Accent Stones
Gorgeous Round
Category
21st Century and Contemporary American Fashion Rings
Materials
Diamond, 18k Gold
Vintage Blue Sapphire Round Diamond 18 Carat Yellow Gold Ring
By Kurt Wayne
Located in Rome, IT
2.75 ct Total Weight Round Cut Diamond & Blue Sapphire Band / Ring 18K Yellow Gold.
The ring
Category
Vintage 1970s Austrian Modern Engagement Rings
Materials
Blue Sapphire, Diamond, White Diamond, 18k Gold, Yellow Gold, White Gold
4.70 Carat Round Colombian Emerald Diamond Engagement Ring 18 Karat Gold
By Emeralds Maravellous
Located in US
brilliant natural green Colombian emerald round cut 4.20 carat, measurement 10.40mmX10.40mm. Medium Green
Category
21st Century and Contemporary American Art Nouveau Solitaire Rings
Materials
Emerald, Diamond, Gold, Yellow Gold, 18k Gold
1.47 Carat Round Brilliant Diamond Solitaire Ring 18 Karat White Gold
Located in BEVERLY HILLS, CA
carats of round brilliant diamonds, approximately H/I color and SI clarity. 18-karat white gold, current
Category
21st Century and Contemporary American Contemporary Engagement Rings
Materials
White Diamond, Diamond, White Gold, 18k Gold
1.52 Carat Round Brilliant Diamond Solitaire Ring 18 Karat Yellow Gold
Located in BEVERLY HILLS, CA
carats of round brilliant diamonds, approximately F/G color and VVS2/VS1 clarity. 18-karat yellow gold
Category
21st Century and Contemporary American Contemporary Engagement Rings
Materials
White Diamond, Diamond, Yellow Gold, 18k Gold
1.31 Carat Round Brilliant Diamond Solitaire Ring 18 Karat Rose Gold
Located in BEVERLY HILLS, CA
carats of round brilliant diamonds, approximately H/I color and SI clarity. 18-karat yellow gold, 2.45
Category
21st Century and Contemporary American Contemporary Engagement Rings
Materials
White Diamond, Diamond, Rose Gold, 18k Gold
1.12 Carat Round Brilliant Diamond Engagement Ring 18 Karat White Gold
Located in BEVERLY HILLS, CA
. Complimented by 0.19 carats of round brilliant diamonds, approximately H/I color and SI clarity. 18-karat white
Category
21st Century and Contemporary American Contemporary Engagement Rings
Materials
White Diamond, Diamond, White Gold, 18k Gold
1.21 Carat Round Brilliant Diamond Solitaire Ring 18 Karat Yellow Gold
Located in BEVERLY HILLS, CA
carats of round brilliant diamonds, approximately H/I color and SI clarity. 18-karat yellow gold, 2.43
Category
21st Century and Contemporary American Contemporary Engagement Rings
Materials
White Diamond, Diamond, Yellow Gold, 18k Gold
3/4 Carat Round Brilliant Diamond Eternity Band in 18 Karat Gold, 0.75 Carat
By Five Star Jewelry
Located in Austin, TX
going all the way around the band. The timeless eternity band has round brilliant cut diamonds that are
Category
21st Century and Contemporary American Modern Band Rings
Materials
Diamond, Gold, 18k Gold, Yellow Gold
2.25 Carat Round Brilliant Cut Diamond Ring in 18 Karat Yellow Gold
Located in Palm Beach, FL
Beautiful 2.25 Carat Round Brilliant Cut Diamond Ring in 18K Yellow Gold with Platinum setting
Category
21st Century and Contemporary Three-Stone Rings
Materials
Diamond, Yellow Gold, Platinum
Mariani 1.64 Carat Round Brilliant Diamond and 18 Karat Gold Dangle Earrings
By Mariani
Located in Chevy Chase, MD
the night! The 24 round brilliant Diamonds have a total weight of 1.64 carats set in 18 karat white
Category
2010s Italian Modern Dangle Earrings
Materials
Diamond, 18k Gold, White Gold
18 Karat Yellow Gold Round Halo Diamond Earrings '1 2/5 Carat'
Located in San Francisco, CA
These delicate earrings feature two round shaped diamonds that are approximately 1.08-carat total
Category
21st Century and Contemporary American More Earrings
Materials
Diamond, Yellow Gold
1.25 Baguette and Round Diamond Bangle 18 Carats White Gold Bracelet
By Antinori Fine Jewels
Located in Rome, IT
1.25 ct total weight Baguette, Round & Princess Brilliant Cut Diamond Straight Line Station Tennis
Category
2010s Italian Modern Cuff Bracelets
Materials
Diamond, White Diamond, White Gold, 18k Gold
18 Karat White Gold Round Halo Diamond Earrings '1 2/5 Carat'
Located in San Francisco, CA
These delicate earrings feature two round shaped diamonds that are approximately 1.08-carat total
Category
21st Century and Contemporary American More Earrings
Materials
Diamond, White Gold
0.78 Carat Round Brilliant Diamond and 18 Carat White and Yellow Gold Band Ring
Located in Chevy Chase, MD
A beautiful round brilliant Diamond band style ring. The ring contains 0.78 carats of Diamonds all
Category
Late 20th Century Unknown Retro Band Rings
Materials
Diamond, 18k Gold, White Gold, Yellow Gold
1.55 Carat Round Brilliant Diamond Engagement Ring 18 Karat White Gold
Located in BEVERLY HILLS, CA
Classic solitaire diamond engagement ring Tiffany style setting.
1.55 carat round brilliant diamond
Category
21st Century and Contemporary American Contemporary Engagement Rings
Materials
White Diamond, Diamond, White Gold, 18k Gold
18 Karat White Gold Flex Round Halo Diamond Bangle '2/3 Carat'
Located in San Francisco, CA
: WHITE
Center Gemstone Shape: ROUND
Center Diamond Carat Weight: 0.63
Metal: 18K White Gold
Metal Weight
Category
21st Century and Contemporary American More Bracelets
Materials
Diamond, White Gold
1.08 Carat Round Diamond Solitaire 18 Karat White Gold Engagement Ring
Located in Sherman Oaks, CA
one half millimeter wide band.
Identified with markings of "750".
Containing:
One prong set round
Category
21st Century and Contemporary American Modern Engagement Rings
Materials
Diamond, 18k Gold
18 carat yellow gold solitaire round brillant cut diamond ring
Located in Monte-Carlo, MC
18 carat yellow gold solitaire ring designed with 1 round brillant cut diamond weighing 0.34 carat
Category
2010s Solitaire Rings
Materials
Diamond, Yellow Gold
.26 Carat Round Diamonds Twin Bands Ring 18 Karat
Located in New York, NY
.26ct. Natural Diamonds eternity bands
Round, Brilliant Cuts
G color Vs-2, clarity
Tube set
Category
2010s American Band Rings
Materials
Diamond, 18k Gold, Yellow Gold
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18 Carat Round For Sale on 1stDibs
Find the exact 18 carat round you’re shopping for in the variety available on 1stDibs. Every item for sale was constructed with extraordinary care, often using gold, 18k gold and white gold. In our selection of items, you can find a vintage example as well as a contemporary version. If you’re looking for a 18 carat round 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. Finding an appealing 18 carat round — no matter the origin — is easy, but Cartier, LB Exclusive and Tiffany & Co. each produced a popular version that is worth a look. A round cut version of this piece has appeal, but there are also oval cut and brilliant cut versions for sale. Finding a 18 carat round for sale for women should be easy, but there are 29633 pieces available to browse for unisex as well as men, too.
How Much is a 18 Carat Round?
Prices for a 18 carat round can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $1 and can go as high as $4,000,000, while this accessory, on average, fetches $4,868.
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