18 Carat Round Diamond
546
to
7,736
38,370
12,026
17,405
11,290
2,638
1,341
868
614
494
349
261
257
155
122
37
17
16
5
3
3
39
665
15,284
40,954
463
409
512
404
418
856
1,235
1,471
1,986
1,928
21
1,224
1,131
858
751
572
37,615
18,892
516
56,743
280
54,868
42,894
24,613
19,037
5,594
54,989
14,253
6,667
4,253
3,858
42
28
8
33199
3383
3362
1576
1286
to
Sort By
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
Diamond Paperclip Rounded Hoop Earrings 1.52 Carats 18 Karat Yellow Gold
By Harbor Diamonds
Located in New York, NY
18 Karat yellow gold paper clip earring featuring 56 round brilliance weighing 1.52 carats, 5.7
Category
2010s Contemporary Hoop Earrings
Materials
Diamond, 18k Gold, Yellow Gold
10 Carat Round Diamond 18 Karat White Gold Graduated Claw Set Tennis Necklace
By Hasbani Diamonds
Located in London, GB
An exquisite classic round brilliant diamond straight-line necklace. This 114 round brilliant cut
Category
2010s British Modern Link Necklaces
Materials
White Diamond, Diamond, 18k Gold, White Gold
Celebration Round Diamond Engagement Ring 18 Karat White Gold 1.46 Carat
By Celebration Diamond
Located in San Diego, CA
Size: 4.75 (sizable)
Total Carat Weight: 1.46 TCW
Center Diamond Shape: Round Diamond 0.71 CTS
Category
2010s American Engagement Rings
Materials
Diamond, 14k Gold, White Gold
Diamond Round Brilliant Drop Earrings 1.78 Carat 18 Karat White Gold
By Harbor Diamonds
Located in New York, NY
18K White Gold earrings featuring 170 round brilliants weighing 1.78 carats.
Color G-H
Clarity SI
Category
2010s American Contemporary Chandelier Earrings
Materials
Diamond, White Gold
1.75 Carat Round Diamond 18 Karat Gold Pave set Drop Chandelier Stud Earrings
By Hasbani Diamonds
Located in London, GB
hang effortlessly round your ears. Encrusted with a total of 1.75 carat round brilliant cut diamonds
Category
2010s British Modern Drop Earrings
Materials
White Diamond, Diamond, 18k Gold, Yellow Gold, Gold, White Gold
Diamond 18 Karat White Gold 0.60 Carat Round Diamond London Stud Drop Earrings
By Hasbani Diamonds
Located in London, GB
Modern Solid 18 karat white gold pave set round brilliant cut diamond drop earrings, having 0.60
Category
2010s British Modern Drop Earrings
Materials
Diamond, Gold, 18k Gold, White Gold, Yellow Gold
Diamond Cluster Round 0.75 Carat Pendant 18 Karat White Gold Daisy Necklace
By Hasbani Diamonds
Located in London, GB
This Beautiful 0.75 Carat Flower design Cluster Diamond pendant features 7 round brilliant cut
Category
2010s British Modern Pendant Necklaces
Materials
Diamond, White Diamond, Gold, 18k Gold, White Gold
Diamond Cluster Round 0.33 Carat Pendant 18 Karat White Gold Flower Necklace
By Hasbani Diamonds
Located in London, GB
This Beautiful 0.33 Carat Flower design Cluster Diamond pendant features 7 round brilliant cut
Category
2010s British Modern Pendant Necklaces
Materials
Diamond, White Diamond, Gold, 18k Gold, White Gold
Diamond Cluster Round 0.50 Carat Pendant 18 Karat White Gold Daisy Necklace
By Hasbani Diamonds
Located in London, GB
This Beautiful 0.50 Carat Flower design Cluster Diamond pendant features 7 round brilliant cut
Category
2010s British Modern Pendant Necklaces
Materials
Diamond, White Diamond, Gold, 18k Gold, White Gold
Diamond Baguette and Round Tennis Bracelet 2.71 Carat 18 Karat White Gold
By Harbor Diamonds
Located in New York, NY
18K White gold tennis bracelet featuring 55 baguette diamonds weighing 1.59 carats flanked with 99
Category
2010s American Contemporary Tennis Bracelets
Materials
Diamond, White Gold
18.50 Carat Round Diamond 18 KT White Gold Classic Line Tennis Bracelet
By Hasbani Diamonds
Located in London, GB
Bespoke 18.50 Carats of spectacular Round Brilliant Cut Diamonds White Color H Clarity SI1 are
Category
2010s British Modern Tennis Bracelets
Materials
Diamond, White Diamond, Gold, 18k Gold, White Gold
6 Carat Diamond Round Brilliant Tulip 18 Karat White Gold Line Tennis Bracelet
By Hasbani Diamonds
Located in London, GB
This fantastic 6 Carats Round Brilliant Cut Diamonds White Color G / H Clarity SI1 are set in 18
Category
2010s British Modern Tennis Bracelets
Materials
Diamond, White Diamond, Gold, 18k Gold, White Gold
10 Carat Diamond Round Brilliant Tulip 18 Karat White Gold Line Tennis Bracelet
By Hasbani Diamonds
Located in London, GB
10 Carats of spectacular Round Brilliant Cut Diamonds White Color G / H Clarity SI1 are set in 18
Category
2010s British Modern Tennis Bracelets
Materials
Diamond, White Diamond, Gold, 18k Gold, White Gold
Diamond Cluster Round 1 Carat Pendant 18 Karat White Gold Daisy Flower Necklace
By Hasbani Diamonds
Located in London, GB
This Beautiful 1.00 Carat Flower design Cluster Diamond pendant features 7 round brilliant cut
Category
2010s British Modern Pendant Necklaces
Materials
Diamond, White Diamond, Gold, 18k Gold, White Gold
8 Carat Diamond Round Brilliant Tulip 18 Karat White Gold Line Tennis Bracelet
By Hasbani Diamonds
Located in London, GB
This spectacular 8 Carats Round Brilliant Cut Diamonds White Color G / H Clarity SI1 are set in 18
Category
2010s British Modern Tennis Bracelets
Materials
Diamond, White Diamond, Gold, 18k Gold, White Gold
1.30 Carat Disco Ball Round Brilliant Diamonds 18 KT White Gold Necklace Pendant
By Hasbani Diamonds
Located in London, GB
Illuminating and Luxurious, this outstanding quality 1.30 Carat Diamond and triple chain, 18 Karat
Category
2010s British Modern Pendant Necklaces
Materials
Diamond, White Diamond, Gold, 18k Gold, White Gold
0.33 Carat Round Cut Cluster 18 Karat White Gold Halo Engagement Diamond Ring
By Hasbani Diamonds
Located in London, GB
This Beautiful 0.33 Carat White Round Cut Diamond Cluster Halo ring is set in 18 Karat White Gold
Category
2010s British Modern Cluster Rings
Materials
White Diamond, Diamond, Gold, White Gold, 18k Gold
Celebration Diamond Engagement Ring Round 0.97 Carat D SI2 18 Karat White Gold
By Celebration Diamond
Located in San Diego, CA
- Sizable
Total Carat Weight: 0.97 CTS
Diamond Shape: Round Modified Brilliant
Diamond Color & Clarity
Category
2010s American Engagement Rings
Materials
Diamond, 18k Gold, White Gold
1 Carat Round Brilliant Cut Diamond 18 Karat White Gold Classic Cross Pendant
By Hasbani Diamonds
Located in London, GB
United kingdom.
Cross 18 Karat White Gold
Diamond Weight: 1.00 Total Carat
Height: 14.6
Width: 28 mm
Category
21st Century and Contemporary Pendant Necklaces
Materials
Diamond, Rose Gold, White Gold, Yellow Gold, Platinum
Hamsa 0.25 Carat Round Brilliant Diamond 18 Karat Gold Evil Eye Khamsa Bracelet
By Hasbani Diamonds
Located in London, GB
over 0.25ct Round Brilliant cut white diamonds colour G to H clarity VS-SI, with a sapphire centre gem
Category
2010s British Modern Modern Bracelets
Materials
White Diamond, Diamond, Blue Sapphire, Gold, Yellow Gold, 18k Gold
1.50 Carat Tennis Line Round Diamond 18 Karat Gold Four Claw Riviera Bracelet
By Hasbani Diamonds
Located in London, GB
gorgeous diamond tennis bracelet, featuring 1.50 Carat of dazzling White Color G Clarity SI1 Round
Category
2010s British Modern Tennis Bracelets
Materials
Diamond, White Diamond, Gold, 18k Gold, Rose Gold, White Gold, Yellow Gold
0.25 Carat Mini Daisy Cluster Round Brilliant 18 KT Gold Stud Diamond Earrings
By Hasbani Diamonds
Located in London, GB
eye clean clarity SI round brilliant cut diamonds made with 18 Karat White Gold. Available in yellow
Category
21st Century and Contemporary British Contemporary Stud Earrings
Materials
White Diamond, Diamond, Gold, Yellow Gold, White Gold, Rose Gold, 18k Gold
0.35 Carat Mini Daisy Cluster Round Brilliant 18 KT Gold Stud Diamond Earrings
By Hasbani Diamonds
Located in London, GB
eye clean clarity SI round brilliant cut diamonds made with 18 Karat White Gold. Available in yellow
Category
21st Century and Contemporary British Contemporary Stud Earrings
Materials
White Diamond, Diamond, Yellow Gold, White Gold, Rose Gold, 18k Gold, Gold
0.30 Carat Mini Daisy Cluster Round Brilliant 18 KT Gold Stud Diamond Earrings
By Hasbani Diamonds
Located in London, GB
eye clean clarity SI round brilliant cut diamonds made with 18 Karat White Gold. Available in yellow
Category
21st Century and Contemporary British Contemporary Stud Earrings
Materials
White Diamond, Diamond, Gold, Yellow Gold, White Gold, Rose Gold, 18k Gold
2 Carat Riviera Line Round Diamond 18 Karat Gold Four Claw Tennis Bracelet
By Hasbani Diamonds
Located in London, GB
gorgeous diamond tennis bracelet, featuring 2.00 Carat of dazzling White Color G Clarity SI1 Round
Category
2010s British Modern Tennis Bracelets
Materials
Diamond, White Diamond, Gold, 18k Gold, Rose Gold, White Gold, Yellow Gold
3 Carat Round Diamond 18 Karat Gold Four Claw Riviera Line Tennis Bracelet
By Hasbani Diamonds
Located in London, GB
gorgeous diamond tennis bracelet, featuring 3.00 Carat of dazzling White Color G Clarity SI1 Round
Category
2010s British Modern Tennis Bracelets
Materials
Diamond, White Diamond, Gold, 18k Gold, Rose Gold, White Gold, Yellow Gold
5 Carat Four Prong Round Diamond 18 Karat Gold Riviera Line Tennis Bracelet
By Hasbani Diamonds
Located in London, GB
gorgeous diamond tennis bracelet, featuring 5.00 Carat of dazzling White Color G Clarity SI1 Round
Category
2010s British Modern Tennis Bracelets
Materials
Diamond, White Diamond, Gold, 18k Gold, Rose Gold, White Gold, Yellow Gold
1.15 Carat Round Diamond 18 Karat Gold Four Claw Tennis Riviera Line Bracelet
By Hasbani Diamonds
Located in London, GB
gorgeous diamond tennis bracelet, featuring 1.15 Carat of dazzling White Color G Clarity SI1 Round
Category
2010s British Modern Tennis Bracelets
Materials
Diamond, White Diamond, Gold, 18k Gold, Rose Gold, White Gold, Yellow Gold
0.27 Carat Daisy Cluster Round Brilliant 18 KT White Gold Stud Diamond Earrings
By Hasbani Diamonds
Located in London, GB
clean clarity SI round brilliant cut diamonds made with 18 Karat White Gold. Available in yellow and
Category
21st Century and Contemporary British Contemporary Stud Earrings
Materials
White Diamond, Diamond, Gold, Yellow Gold, White Gold, Rose Gold, 18k Gold
1.00 Carat Round White Diamond 18 KT Yellow Gold Men's Bespoke Signet Ring
By Hasbani Diamonds
Located in London, GB
1.00 Carat Round White Diamonds Men's Signet Style ring set in 18 Karat Yellow Gold. It has 16
Category
2010s British Modern Signet Rings
Materials
White Diamond, Diamond, Yellow Gold, White Gold, Rose Gold, 18k Gold, Gold
0.25 Carat Mini Cluster Round Brilliant 18 Karat Gold Diamond Halo Stud Earrings
By Hasbani Diamonds
Located in London, GB
clarity SI Round Brilliant Diamond Earrings set in 18 Karat White Gold. Available in yellow and rose gold
Category
21st Century and Contemporary British Contemporary Stud Earrings
Materials
White Diamond, Diamond, Rose Gold, 18k Gold, Yellow Gold, White Gold, Gold
Bespoke 3 Carat Round Diamond 18 Kt White Gold Cluster Daisy Pendant Necklace
By Hasbani Diamonds
Located in London, GB
This Beautiful 3.00 Carat Flower design Cluster Diamond pendant features 7 beutiful round brilliant
Category
2010s British Modern Pendant Necklaces
Materials
Blue Sapphire, Ruby, Emerald, White Diamond, Diamond, Yellow Gold, Gold,...
2.10 Carat 18 Karat Engagement Round Diamond Trilogy 4 Prongs Three-Stones Ring
By Hasbani Diamonds
Located in London, GB
0.70 carat diamonds with a total weight of 2.10 carat H / J Color, clarity VS / SI1, all set in luxury
Category
2010s British Modern Engagement Rings
Materials
Blue Sapphire, Pink Sapphire, Yellow Sapphire, Green Sapphire, Tanzanite...
18 Karat White Gold Marquise Round Diamond Drop Chandelier Earrings 3.53 Carats
By Harbor Diamonds
Located in New York, NY
18 Karat White Gold Chandelier drop earrings featuring 10 Marquise shape diamonds flanked with 240
Category
2010s Contemporary Chandelier Earrings
Materials
Diamond, 18k Gold, White Gold
4.00 Carat Round Diamond 18 Kt Rose Gold Claw Set Line Tennis Riviera Bracelet
By Hasbani Diamonds
Located in London, GB
this gorgeous diamond tennis bracelet, featuring 4.00 Carat of dazzling White Color G/H Clarity SI1
Category
2010s British Modern Tennis Bracelets
Materials
Diamond, White Diamond, Gold, 18k Gold, Rose Gold, White Gold, Yellow Gold
Diamond 1 Carat Round Cut 18 Karat White Gold Drop Infinity Dangle Stud Earrings
By Hasbani Diamonds
Located in London, GB
modern infinity style drops set in 18 karat white gold. Hand finished with an impressive 1 carat diamond
Category
2010s British Modern Drop Earrings
Materials
Diamond, 18k Gold, White Gold, Yellow Gold, Rhodium
18 Karat Rose Gold 5 Carat Round Diamond Four Claw Tennis Riviera Line Bracelet
By Hasbani Diamonds
Located in London, GB
gorgeous diamond tennis bracelet, featuring 5.00 Carat of dazzling White Color G/H Clarity SI1 Round
Category
2010s British Modern Tennis Bracelets
Materials
Diamond, White Diamond, Gold, 18k Gold, Rose Gold, White Gold, Yellow Gold
4 Carat Round Diamond 18 Karat Gold Four Claw Set Tennis Riviera Line Bracelet
By Hasbani Diamonds
Located in London, GB
gorgeous diamond tennis bracelet, featuring 4.00 Carat of dazzling White Color G/H Clarity SI1 Round
Category
2010s British Modern Tennis Bracelets
Materials
Diamond, White Diamond, Gold, 18k Gold, Rose Gold, White Gold, Yellow Gold
2.18 Carat Round Diamond Twisted 18 Karat White Gold 4 Prong Engagement Ring
By Hasbani Diamonds
Located in London, GB
ring. Handmade in 18 Karat White Gold, with a total of 2.18 Carat White Diamonds. Set in an open
Category
2010s British Modern Engagement Rings
Materials
Blue Sapphire, Pink Sapphire, Yellow Sapphire, Green Sapphire, Tanzanite...
1.45 Carat Round Diamond Twisted 18 Karat White Gold 4 Prong Engagement Ring
By Hasbani Diamonds
Located in London, GB
ring. Handmade in 18 Karat White Gold, with a total of 1.45 Carat White Diamonds. Set in an open
Category
2010s British Modern Engagement Rings
Materials
Blue Sapphire, Pink Sapphire, Yellow Sapphire, Green Sapphire, Tanzanite...
1.68 Carat Round Diamond Twisted 18 Karat White Gold 4 Prong Engagement Ring
By Hasbani Diamonds
Located in London, GB
ring. Handmade in 18 Karat White Gold, with a total of 1.68 Carat White Diamonds. Set in an open
Category
2010s British Modern Engagement Rings
Materials
Blue Sapphire, Pink Sapphire, Yellow Sapphire, Green Sapphire, Tanzanite...
1.20 Carat Round Diamond Twisted 18 Karat White Gold 4 Prong Engagement RIng
By Hasbani Diamonds
Located in London, GB
ring. Handmade in 18 Karat White Gold, with a total of 1.20 Carat White Diamond. Set in an open gallery
Category
2010s British Modern Engagement Rings
Materials
Blue Sapphire, Pink Sapphire, Yellow Sapphire, Green Sapphire, Tanzanite...
0.95 Carat Round Diamond Twisted 18 Karat White Gold 4 Prong Engagement Ring
By Hasbani Diamonds
Located in London, GB
ring. Handmade in 18 Karat White Gold, with a total of 0.95 Carat White Diamond. Set in an open gallery
Category
2010s British Modern Engagement Rings
Materials
Blue Sapphire, Pink Sapphire, Yellow Sapphire, Green Sapphire, Tanzanite...
0.83 Carat Round Diamond Twisted 18 Karat White Gold 4 Prong Engagement Ring
By Hasbani Diamonds
Located in London, GB
ring. Handmade in 18 Karat White Gold, with a total of 0.83 Carat White Diamond. Set in an open gallery
Category
2010s British Modern Engagement Rings
Materials
Blue Sapphire, Pink Sapphire, Yellow Sapphire, Green Sapphire, Tanzanite...
0.70 Carat Round Diamond Twisted 18 Karat White Gold 4 Prong Engagement Ring
By Hasbani Diamonds
Located in London, GB
ring. Handmade in 18 Karat White Gold, with a total of 0.70 Carat White Diamond. Set in an open gallery
Category
2010s British Modern Engagement Rings
Materials
Blue Sapphire, Pink Sapphire, Yellow Sapphire, Green Sapphire, Tanzanite...
0.68 Carat Round Side Band Diamond Solitaire 18 Karat Rose Gold Engagement Ring
By Hasbani Diamonds
Located in London, GB
ring. Handmade in 18 Karat Rose Gold, with a total of 0.68 Carat White Diamonds. Set in an open gallery
Category
2010s British Modern Engagement Rings
Materials
Blue Sapphire, Pink Sapphire, Yellow Sapphire, Green Sapphire, Tanzanite...
0.50 Carat Round Diamond Twisted 18 Karat White Gold 4 Prong Engagement Ring
By Hasbani Diamonds
Located in London, GB
ring. Handmade in 18 Karat White Gold, with a total of 0.51 Carat White Diamond. Set in an open gallery
Category
2010s British Modern Engagement Rings
Materials
Topaz, Multi-gemstone, Peridot, Ruby, Sapphire, Blue Sapphire, Pink Sapp...
Diamond Drop Earrings 4.35 Carat 18 Karat White Gold
By Harbor Diamonds
Located in New York, NY
18K White gold drop earrings featuring 170 round brilliants weighing 2.41 carats and 12 round
Category
2010s American Contemporary Drop Earrings
Materials
Diamond, White Gold
Diamond 1.10 Carat Three Stone Round Cut 18 Karat Yellow Gold Drop Stud Earrings
By Hasbani Diamonds
Located in London, GB
An impressive and versatile pair of graduated round brilliant cut three-stone diamond drop earrings
Category
21st Century and Contemporary British Modern Drop Earrings
Materials
Sapphire, Blue Sapphire, Pink Sapphire, Yellow Sapphire, Green Sapphire,...
Helzberg Diamond Ring 1.00 Carat Princess and Round Cuts 18 Karat White Gold
By Helzberg Diamond
Located in San Diego, CA
Report #2155278088
Metal: 18KT White Gold
Size: 5.25 - Sizable
Total Carat Weight: 1.00 TCW
Diamond
Category
2010s American Engagement Rings
Materials
Diamond, 18k Gold, White Gold
Vivid Diamonds 18 Carat Emerald Earrings
By Vivid Diamonds
Located in Miami, FL
black rhodium, showcasing 280 round cut emeralds, weighing approximately 18 carats. Framed with layers
Category
21st Century and Contemporary Modern Dangle Earrings
Materials
Emerald, 18k Gold
Diamond Script LOVE Pendant Necklace 0.16 Carat 18 Karat
By Harbor Diamonds
Located in New York, NY
18K Rose Gold necklace featuring a diamond LOVE weighing 0.16 carats.
2.3 grams
Great for layering!
Category
2010s American Contemporary Pendant Necklaces
Materials
Diamond, 18k Gold, Rose Gold
Fancy Color Diamond Ring 3.86 Carat 18 Karat
By Harbor Diamonds
Located in New York, NY
18K White gold ring featuring Fancy color diamond ring 11 fancy color diamonds weighing 3.40 carats
Category
2010s American Contemporary Fashion Rings
Materials
Diamond
0.40 Carat Round Diamond Twisted Love 18 Karat Rose Gold 4 Prong Engagement Ring
By Hasbani Diamonds
Located in London, GB
ring. Handmade in 18 Karat Rose Gold, with a total of 0.40 Carat White Diamonds. Set in an open gallery
Category
2010s British Modern Engagement Rings
Materials
Blue Sapphire, Pink Sapphire, Yellow Sapphire, Green Sapphire, Tanzanite...
0.95 Carat Round Diamond Twisted 18 Karat Rose Gold 4 Prong Love Engagement Ring
By Hasbani Diamonds
Located in London, GB
ring. Handmade in 18 Karat Rose Gold, with a total of 0.95 Carat White Diamond. Set in an open gallery
Category
2010s British Modern Engagement Rings
Materials
Blue Sapphire, Pink Sapphire, Yellow Sapphire, Green Sapphire, Tanzanite...
1.20 Carat Round Diamond Twisted 18 Karat Rose Gold 4 Prong Engagement Love Ring
By Hasbani Diamonds
Located in London, GB
ring. Handmade in 18 Karat Rose Gold, with a total of 1.20 Carat White Diamond. Set in an open gallery
Category
2010s British Modern Engagement Rings
Materials
Blue Sapphire, Pink Sapphire, Yellow Sapphire, Green Sapphire, Tanzanite...
Leo Round Diamond 1.01 Carat Solitaire Ring Platinum and 18 Karat White Gold
By The Leo Diamond
Located in San Diego, CA
: Round Modified Brilliant
Color & Clarity: G - SI2
Inscription: Girdle Inscription on Diamond
Category
Early 2000s Solitaire Rings
Materials
Diamond, 18k Gold, White Gold, Platinum
0.76 Carat Round Emerald Pendant with 0.24 Carat Diamond Halo in 14k ref2120
By Diamond Town
Located in New York, NY
This exquisite pendant boasts a 6mm round-cut emerald at its core, weighing 0.76 carats, encircled
Category
21st Century and Contemporary Contemporary Pendant Necklaces
Materials
Diamond, White Diamond, Emerald, 14k Gold, White Gold
18 Karat White Gold Wide 'X' Sapphire Diamond Bracelet 18 Carats
By Harbor Diamonds
Located in New York, NY
18 Karat White Gold wide bracelet featuring numerous round brilliants weighing 4 carats and
Category
Vintage 1960s Contemporary Link Bracelets
Materials
Diamond, Sapphire, 18k Gold, White Gold
- 1
- ...
Get Updated with New Arrivals
Save "18 Carat Round Diamond", and we’ll notify you when there are new listings in this category.
18 Carat Round Diamond For Sale on 1stDibs
You are likely to find exactly the 18 carat round diamond you’re looking for on 1stDibs, as there is a broad range for sale. Each design created in this style — which was crafted with great care and often made from Gold, 18k Gold and White Gold — can elevate any look. Find an antique version now, or shop for 6176 vintage or 16611 modern creation for a more contemporary example of these cherished accessories. If you’re looking for a 18 carat round diamond 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. As it relates to this specific piece, our collection includes designs that are universally popular, but .5 Carat and 1 Carat carat weights, specifically, are sought with frequency. A 18 carat round diamond from Roman Malakov, LB Exclusive and Harbor Diamonds — each of whom created a beautiful version of this treasured accessory — is worth considering. A round cut version of this piece has appeal, but there are also baguette cut and oval cut versions for sale. Most of our 18 carat round diamond for sale are for women, but there are 6543 pieces available to browse for men.
How Much is a 18 Carat Round Diamond?
On average, a 18 carat round diamond at 1stDibs sells for $4,170, while they’re typically $1 on the low end and $1,875,000 for the highest priced versions of this item.
More Ways To Browse
Change My Email
Tiger Claw Necklace
Green Tourmaline 20 Ct
Celebration Diamond Serial Number
Birthstone Wedding Rings Garnet
Opal 18 Kt Bracelet
Helzberg Used Jewelry
Helzberg Number
Rolex 116520 Black Dial
Air King Rolex Occasion
Rolex Daytona Black 116520
Gmt Master Ii 116710
Rolex Milgauss Orange
Rolex Gmt Master Ii 116710
68273 Rolex Swiss
Rolex Daytona 116520 Black
Gmt 2 Rolex
Black Face Submariner