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18 Kt Diamond

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18-kt diamond and emerald hoop dangle earrings
Located in New York, NY
An stunning set of 18-karat white gold hoops earrings with 6.55-carat pear-shaped emeralds and 1.24
Category

21st Century and Contemporary Dangle Earrings

Materials

Diamond, Emerald, 18k Gold, White Gold

Mid Century Natural Turquoise Necklace 18 KT Diamond Clasp
Located in Napoli, IT
! Excellent condition keeping with age Recently silk re-strung Metal: 18 Kt white gold Hallmarks: assay
Category

Vintage 1950s European Contemporary Beaded Necklaces

Materials

Diamond, Turquoise, 18k Gold

Yellow Gold 18 Kt, Diamonds 0.48 Ct, Onyx Elements, Dangle Earrings
Located in BARI, IT
in yellow gold 18 kt and diamonds, brilliant cut, 0.48 ct. They are very particular about the shape
Category

Early 2000s Italian Dangle Earrings

Materials

Diamond, Onyx, Yellow Gold

Harakh GIA Certified 0.54Carat F Color VVS1 Clarity 18 KT Diamond Stud Earrings
By Harakh
Located in New York, NY
These classic GIA certified diamond studs showcase a pair of perfectly matched diamonds weighing
Category

2010s Indian Contemporary Stud Earrings

Materials

Diamond, Rose Gold, 18k Gold

Harakh GIA Certified 0.68 Carat F Color VS2 Clarity 18 KT Diamond Stud Earrings
By Harakh
Located in New York, NY
These classic GIA certified diamond studs showcase a pair of perfectly matched diamonds weighing
Category

2010s Indian Contemporary Stud Earrings

Materials

Diamond, White Gold, 18k Gold

Harakh GIA Certified 0.54 Carat F Color VVS1 Clarity 18 KT Diamond Stud Earrings
By Harakh
Located in New York, NY
These classic GIA certified diamond studs showcase a pair of perfectly matched diamonds weighing
Category

2010s Indian Contemporary Stud Earrings

Materials

Diamond, 18k Gold, White Gold

Harakh GIA Certified 2.00 Carat F Color VS2 Clarity 18 KT Diamond Stud Earrings
By Harakh
Located in New York, NY
These classic GIA certified diamond studs showcase a pair of perfectly matched diamonds weighing
Category

2010s Indian Contemporary Stud Earrings

Materials

Diamond, 18k Gold, Rose Gold

Harakh GIA Certified 2.00 Carat EF Color VS Clarity 18 KT Diamond Stud Earrings
By Harakh
Located in New York, NY
These classic GIA certified diamond studs showcase a pair of perfectly matched diamonds weighing
Category

2010s Indian Contemporary Stud Earrings

Materials

Diamond, 18k Gold, White Gold

Harakh GIA Certified 0.68 Carat F Color VS2 Clarity 18 KT Diamond Stud Earrings
By Harakh
Located in New York, NY
These classic GIA certified diamond studs showcase a pair of perfectly matched diamonds weighing
Category

2010s Indian Contemporary Stud Earrings

Materials

Diamond, 18k Gold, Rose Gold

Harakh GIA Certified 2.00 Carat F Color VS2 Clarity 18 KT Diamond Stud Earrings
By Harakh
Located in New York, NY
These classic GIA certified diamond studs showcase a pair of perfectly matched diamonds weighing
Category

2010s Indian Contemporary Stud Earrings

Materials

Diamond, 18k Gold, Yellow Gold

Harakh GIA Certified 0.68 Carat F Color VS2 Clarity 18 KT Diamond Stud Earrings
By Harakh
Located in New York, NY
These classic GIA certified diamond studs showcase a pair of perfectly matched diamonds weighing
Category

2010s Indian Contemporary Stud Earrings

Materials

Diamond, 18k Gold, Yellow Gold

Harakh GIA Certified 0.75 Carat EF Color VS1 Clarity 18 KT Diamond Stud Earrings
By Harakh
Located in New York, NY
These classic GIA certified diamond studs showcase a pair of perfectly matched diamonds weighing
Category

2010s Indian Contemporary Stud Earrings

Materials

Diamond, 18k Gold, Yellow Gold

Harakh GIA Certified 2.00 Carat F Color VS2 Clarity 18 KT Diamond Stud Earrings
By Harakh
Located in New York, NY
These classic GIA certified diamond studs showcase a pair of perfectly matched diamonds weighing
Category

2010s Indian Contemporary Stud Earrings

Materials

Diamond, 18k Gold, Rose Gold

Harakh GIA Certified 0.54 Carat D Color VS1 Clarity 18 KT Diamond Stud Earrings
By Harakh
Located in New York, NY
These classic GIA certified diamond studs showcase a pair of perfectly matched diamonds weighing
Category

2010s Indian Contemporary Stud Earrings

Materials

Diamond, 18k Gold, Yellow Gold

Harakh GIA Certified 2.00 Carat EF Color VS2 Clarity 18 Kt Diamond Stud Earrings
By Harakh
Located in New York, NY
These classic GIA certified diamond studs showcase a pair of perfectly matched diamonds weighing
Category

2010s Indian Contemporary Stud Earrings

Materials

Diamond, 18k Gold, White Gold

Harakh GIA Certified 0.75 Carat EF Color VS1 Clarity 18 Kt Diamond Stud Earrings
By Harakh
Located in New York, NY
These classic GIA certified diamond studs showcase a pair of perfectly matched diamonds weighing
Category

2010s Indian Contemporary Stud Earrings

Materials

Diamond, 18k Gold, Yellow Gold

Harakh 0.60 Carat D-F Color IF-VS Clarity 18 Kt Diamond Stud Earrings
By Harakh
Located in New York, NY
These classic diamond studs showcase a pair of perfectly matched diamonds weighing total 0.60
Category

2010s Indian Contemporary Stud Earrings

Materials

Diamond, 18k Gold, White Gold

18kt White Gold Ring with a 3.25 Ct No Heat Spinel Stone and 1.2ct Diamonds
Located in Antwerp, BE
handcrafted 18 kt diamond Spinel Ring,One of a kind. Stone: Natural Unheated Spinel stone 3.25 Carat
Category

21st Century and Contemporary Artisan Engagement Rings

Materials

Diamond, Spinel, White Gold

Diamond Bespoke 18 Kt White Gold Rectangular Engraved Modern Hasbani Cufflinks
By Hasbani Diamonds
Located in London, GB
completely bespoke and exquisite for the discerning gentleman. Expertly hand crafted in solid 18 karat white
Category

2010s British Modern Cufflinks

Materials

Amethyst, Diamond, White Diamond, Yellow Diamond, Black Diamond, Emerald...

Antique French Art Nouveau Diamond Ring
Located in Stamford, CT
A magnificent 18 kt Diamond Art Nouveau ring was made in France. It is an exquisite jewel. The ring
Category

Antique Early 1900s French Art Nouveau Band Rings

Materials

Diamond, 18k Gold

NO RESERVE! - 5.12cttw Ruby & 0.84Ct Diamonds - 18 kt. White Gold Earrings
By Diamonds Mine
Located in Ramat Gan, IL
: ___________ Natural Diamonds Carat: 0.84 tccw Color: D-F Clarity: VVS1 to VS1 Item ships from Israeli Diamonds
Category

2010s Israeli Art Deco Stud Earrings

Materials

Diamond, Ruby, 18k Gold, White Gold

2.14 Carat Diamond Bespoke 18 Kt White Gold British Hallmark Cluster Cufflinks
By Hasbani Diamonds
Located in London, GB
Exceptional and individual set with round brilliant-cut diamonds, these bespoke Hasbani Diamonds
Category

2010s British Modern Cufflinks

Materials

Amethyst, Diamond, White Diamond, Yellow Diamond, Black Diamond, Emerald...

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

NO RESERVE! IGI 37.00Ct Emerald & 0.90Ct Diamonds - 18 kt. White gold - Earrings
By Diamonds Mine
Located in Ramat Gan, IL
enhancement present Side Stone: ___________ Natural Diamonds Cut: Round Brilliant Weight: 0.90 ctttw Color
Category

2010s Israeli Art Deco Stud Earrings

Materials

Diamond, Emerald, White Gold, 18k Gold

10.30 Carat Tanzanite and 1.25Ct Diamonds Halo - 18 kt. White gold - Earrings
By Diamonds Mine
Located in Ramat Gan, IL
Indications of heating Side Stone: ___________ Natural Diamonds Cut: Round Brilliant Carat: 1.25 cttw Color
Category

2010s Israeli Art Deco Dangle Earrings

Materials

Diamond, Tanzanite, White Gold, 18k 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

2.44 Carat Black & White Diamond Flower 18 Kt White Gold Pendant Chain Necklace
By Hasbani Diamonds
Located in London, GB
This bespoke fancy floral pendant is encrusted with a total of 2.44 Carat diamonds (1.13 Carat
Category

2010s British Modern Pendant Necklaces

Materials

White Diamond, Black Diamond, 18k Gold, White Gold

Cushion Cut Diamond Crescent Hoop Earrings 6.68 Carats 18 KT Average 0.20 CTS
By Harbor Diamonds
Located in New York, NY
Crescent motif diamond hoop earrings featuring 34 Cushion cuts weighing 6.68 carats, in 18 karat
Category

2010s Contemporary Hoop Earrings

Materials

Diamond, 18k Gold, White Gold

Personal Jewellery Diamond 0.10 Carat Initial-I-Letter Ring 18 Kt Yellow Gold
By Hasbani Diamonds
Located in London, GB
Personal Jewellery Diamond 0.10 Carat Initial -I- Letter Ring 18 Karat Yellow Gold A truly
Category

21st Century and Contemporary British Modern Band Rings

Materials

Diamond, Yellow Gold

Personal Jewellery Diamond 0.10 Carat Initial-Q-Letter Ring 18 Kt White Gold
By Hasbani Diamonds
Located in London, GB
Personal Jewellery Diamond 0.10 Carat Initial -Q- Letter Ring 18 Karat White Gold A truly
Category

21st Century and Contemporary British Modern Cluster Rings

Materials

Diamond, White Gold

Bespoke 3.50 Carat Green Emerald 1.50 Carat Marquise 18 Kt Gold Diamond Earrings
By Hasbani Diamonds
Located in London, GB
expertly contrasted with the pure radiance of 1.50 Carat Marquise White Diamonds. Set in 18 Karat White
Category

2010s British Modern Stud Earrings

Materials

Diamond, White Diamond, Emerald, White Gold, 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

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

Personal Jewellery Diamond 0.10 Carat Initial-P-Letter Ring 18 Kt White Gold
By Hasbani Diamonds
Located in London, GB
Personal Jewellery Diamond 0.10 Carat Initial -P- Letter Ring 18 Karat White Gold A truly
Category

21st Century and Contemporary British Modern Cluster Rings

Materials

Diamond, White Gold, 18k Gold

Personal Jewellery Diamond 0.10 Carat Initial -Z- Letter Ring 18 Kt White Gold
By Hasbani Diamonds
Located in London, GB
Personal Jewellery Diamond 0.10 Carat Initial -Z- Letter Ring 18 Karat White Gold A truly
Category

21st Century and Contemporary British Modern Cluster Rings

Materials

Diamond, 18k Gold, White Gold

Personal Jewellery Diamond 0.10 Carat Initial -O- Letter Ring 18 Kt White Gold
By Hasbani Diamonds
Located in London, GB
Personal Jewellery Diamond 0.10 Carat Initial -O- Letter Ring 18 Karat White Gold A truly
Category

21st Century and Contemporary British Modern Cluster Rings

Materials

Diamond, 18k Gold, White Gold

Personal Jewellery Diamond 0.10 Carat Initial-I-Letter Ring 18 Kt White Gold
By Hasbani Diamonds
Located in London, GB
Personal Jewellery Diamond 0.10 Carat Initial -I- Letter Ring 18 Karat White Gold A truly
Category

21st Century and Contemporary British Modern Cluster Rings

Materials

Diamond, White Gold, 18k Gold

Personal Jewellery Diamond 0.10 Carat Initial B Letter Ring 18 Kt Yellow Gold
By Hasbani Diamonds
Located in London, GB
Personal Jewellery Diamond 0.10 Carat Initial -B- Letter Ring 18 Karat Yellow Gold A truly
Category

21st Century and Contemporary British Modern Cluster Rings

Materials

Diamond, 18k Gold, Yellow Gold

Personal Jewellery Diamond 0.10 Carat Initial D Letter Ring 18 Kt White Gold
By Hasbani Diamonds
Located in London, GB
Personal Jewellery Diamond 0.10 Carat Initial -D- Letter Ring 18 Karat White Gold A truly
Category

21st Century and Contemporary British Modern Cluster Rings

Materials

Diamond, White Gold, 18k Gold

Personal Jewellery Diamond 0.10 Carat Initial-U-Letter Ring 18 Kt White Gold
By Hasbani Diamonds
Located in London, GB
Personal Jewellery Diamond 0.10 Carat Initial -U- Letter Ring 18 Karat White Gold A truly
Category

21st Century and Contemporary British Modern Cluster Rings

Materials

Diamond, White Gold, 18k Gold

Personal Jewellery Diamond 0.10 Carat Initial-J-Letter Ring 18 Kt Yellow Gold
By Hasbani Diamonds
Located in London, GB
  Personal Jewellery Diamond 0.10 Carat Initial -J- Letter Ring 18 Karat Yellow Gold A truly
Category

21st Century and Contemporary British Modern Cocktail Rings

Materials

Diamond, 18k Gold, Yellow Gold

Personal Jewellery Diamond 0.10 Carat Initial H Letter Ring 18 Kt Yellow Gold
By Hasbani Diamonds
Located in London, GB
Personal Jewellery Diamond 0.10 Carat Initial -H- Letter Ring 18 Karat Yellow Gold A truly
Category

21st Century and Contemporary British Modern Band Rings

Materials

Diamond, Yellow Gold, 18k Gold

Personal Jewellery Diamond 0.10 Carat Initial-N-Letter Ring 18 Kt Yellow Gold
By Hasbani Diamonds
Located in London, GB
Personal Jewellery Diamond 0.10 Carat Initial -N- Letter Ring 18 Karat Yellow Gold A truly
Category

21st Century and Contemporary British Modern Cocktail Rings

Materials

Diamond, Yellow Gold, 18k Gold

Personal Jewellery Diamond 0.10 Carat Initial G Letter Ring 18 Kt White Gold
By Hasbani Diamonds
Located in London, GB
Personal Jewellery Diamond 0.10 Carat Initial -G- Letter Ring 18 Karat White Gold A truly
Category

21st Century and Contemporary British Modern Cluster Rings

Materials

Diamond, White Gold, 18k Gold

Personal Jewellery Diamond 0.10 Carat Initial-J-Letter Ring 18 Kt White Gold
By Hasbani Diamonds
Located in London, GB
Personal Jewellery Diamond 0.10 Carat Initial -J- Letter Ring 18 Karat White Gold A truly
Category

21st Century and Contemporary British Modern Cluster Rings

Materials

Diamond, White Gold, 18k Gold

Personal Jewellery Diamond 0.10 Carat Initial-X-Letter Ring 18 Kt White Gold
By Hasbani Diamonds
Located in London, GB
Personal Jewellery Diamond 0.10 Carat Initial -X- Letter Ring 18 Karat White Gold A truly
Category

21st Century and Contemporary British Modern Cluster Rings

Materials

Diamond, White Gold, 18k Gold

Personal Jewellery Diamond 0.10 Carat Initial-R-Letter Ring 18 Kt White Gold
By Hasbani Diamonds
Located in London, GB
Personal Jewellery Diamond 0.10 Carat Initial -R- Letter Ring 18 Karat White Gold A truly
Category

21st Century and Contemporary British Modern Cluster Rings

Materials

Diamond, White Gold, 18k Gold

Personal Jewellery Diamond 0.10 Carat Initial-W-Letter Ring 18 Kt White Gold
By Hasbani Diamonds
Located in London, GB
Personal Jewellery Diamond 0.10 Carat Initial -W- Letter Ring 18 Karat White Gold A truly
Category

21st Century and Contemporary British Modern Band Rings

Materials

Diamond, 18k Gold, White Gold

Personal Jewellery Diamond 0.10 Carat Initial-F-Letter Ring 18 Kt White Gold
By Hasbani Diamonds
Located in London, GB
Personal Jewellery Diamond 0.10 Carat Initial -F- Letter Ring 18 Karat White Gold A truly
Category

21st Century and Contemporary British Modern Cocktail Rings

Materials

Diamond, White Gold, 18k Gold

Personal Jewellery Diamond 0.10 Carat Initial-D-Letter Ring 18 Kt Yellow Gold
By Hasbani Diamonds
Located in London, GB
Personal Jewellery Diamond 0.10 Carat Initial -D- Letter Ring 18 Karat Yellow Gold A truly
Category

21st Century and Contemporary British Modern Cocktail Rings

Materials

Diamond, 18k Gold, Yellow Gold

Personal Jewellery Diamond 0.10 Carat Initial -V- Letter Ring 18 Kt White Gold
By Hasbani Diamonds
Located in London, GB
Personal Jewellery Diamond 0.10 Carat Initial -V- Letter Ring 18 Karat White Gold A truly
Category

21st Century and Contemporary British Modern Cluster Rings

Materials

Diamond, White Gold, 18k Gold

Personal Jewellery Diamond 0.10 Carat Initial -T- Letter Ring 18 Kt White Gold
By Hasbani Diamonds
Located in London, GB
Personal Jewellery Diamond 0.10 Carat Initial -T- Letter Ring 18 Karat White Gold A truly
Category

21st Century and Contemporary British Modern Cluster Rings

Materials

Diamond, White Gold, 18k Gold

Personal Jewellery Diamond 0.10 Carat Initial F Letter Ring 18 Kt Yellow Gold
By Hasbani Diamonds
Located in London, GB
Personal Jewellery Diamond 0.10 Carat Initial -F- Letter Ring 18 Karat Yellow Gold A truly
Category

21st Century and Contemporary British Modern Band Rings

Materials

Diamond, 18k Gold, Yellow Gold

Personal Jewellery Diamond 0.10 Carat Initial-H-Letter Ring 18 Kt White Gold
By Hasbani Diamonds
Located in London, GB
Personal Jewellery Diamond 0.10 Carat Initial -H- Letter Ring 18 Karat White Gold A truly
Category

21st Century and Contemporary British Modern Cluster Rings

Materials

Diamond, White Gold, 18k Gold

Personal Jewellery Diamond 0.10 Carat Initial N Letter Ring 18 Kt White Gold
By Hasbani Diamonds
Located in London, GB
Personal Jewellery Diamond 0.10 Carat Initial -N- Letter Ring 18 Karat White Gold A truly
Category

21st Century and Contemporary British Modern Cluster Rings

Materials

Diamond, 18k Gold, White Gold

Personal Jewellery Diamond 0.10 Carat Initial K Letter Ring 18 Kt White Gold
By Hasbani Diamonds
Located in London, GB
Personal Jewellery Diamond 0.10 Carat Initial -K- Letter Ring 18 Karat White Gold A truly
Category

21st Century and Contemporary British Modern Cluster Rings

Materials

Diamond, White Gold, 18k Gold

Personal Jewellery Diamond 0.10 Carat Initial B Letter Ring 18 Kt White Gold
By Hasbani Diamonds
Located in London, GB
Personal Jewellery Diamond 0.10 Carat Initial -B- Letter Ring 18 Karat White Gold A truly
Category

21st Century and Contemporary British Modern Band Rings

Materials

Diamond, 18k Gold, White Gold

Personal Jewellery Diamond 0.10 Carat Initial -Y- Letter Ring 18 Kt White Gold
By Hasbani Diamonds
Located in London, GB
Personal Jewellery Diamond 0.10 Carat Initial -Y- Letter Ring 18 Karat White Gold A truly
Category

21st Century and Contemporary British Modern More Rings

Materials

Diamond, White Gold, 18k Gold

Personal Jewellery Diamond 0.10 Carat Initial-G-Letter Ring 18 Kt Yellow Gold
By Hasbani Diamonds
Located in London, GB
Personal Jewellery Diamond 0.10 Carat Initial -G- Letter Ring 18 Karat Yellow Gold A truly
Category

21st Century and Contemporary British Modern Band Rings

Materials

Diamond, 18k Gold, Yellow Gold

Personal Jewellery Diamond 0.10 Carat Initial -P- Letter Ring 18 Kt Yellow Gold
By Hasbani Diamonds
Located in London, GB
Personal Jewellery Diamond 0.10 Carat Initial -P- Letter Ring 18 Karat Yellow Gold A truly
Category

21st Century and Contemporary British Modern Band Rings

Materials

Diamond, Yellow Gold, 18k Gold

Personal Jewellery Diamond 0.10 Carat Initial -T- Letter Ring 18 Kt Yellow Gold
By Hasbani Diamonds
Located in London, GB
Personal Jewellery Diamond 0.10 Carat Initial -T- Letter Ring 18 Karat Yellow Gold A truly
Category

21st Century and Contemporary British Modern Band Rings

Materials

Diamond, 18k Gold, Yellow Gold

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18 Kt Diamond For Sale on 1stDibs

On 1stDibs, you can find the most appropriate 18 kt diamond for your needs in our varied inventory. 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. You’re likely to find the perfect 18 kt diamond among the distinctive items we have available, which includes versions made as long ago as the 18th Century as well as those produced as recently as the 21st Century. A 18 kt diamond from Artisan NYC, Cartier and Garavelli — each of whom created a beautiful version of this treasured accessory — is worth considering. See these pages for a round cut iteration of this accessory, while there are also brilliant cut cut and oval cut cut versions available here, too. There aren’t many items for men if you’re seeking a 18 kt diamond, as most of the options available are for women and unisex.

How Much is a 18 Kt Diamond?

The price for a 18 kt diamond starts at $1 and tops out at $4,375,000 with these rings, on average, selling for $5,641.
Questions About 18 Kt Diamond
  • 1stDibs ExpertJune 30, 2023
    Whether 18-karat gold is valuable depends on a variety of factors. The price of gold per gram fluctuates with the market for gold. If the gold in question refers to a piece of jewelry, factors under consideration would include the style of the piece, if the accessory features any gemstones and what the gems are, where it was made, its condtion and more. A certified appraiser can evaluate 18-karat gold jewelry to determine its value. On 1stDibs, shop a collection of 18-karat gold jewelry from some of the world's top sellers.