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018 Carat Diamond

Ico & the Bird Fine Jewelry 20 carat Aquamarine Diamond Gold Earrings
By Ico & the Bird Fine Jewelry
Located in Los Angeles, CA
with black diamond eyes. This one of a kind piece features 20 carat of Sparkling Aquamarines and .018
Category

2010s North American Artisan Drop Earrings

Materials

Aquamarine, Diamond, 18k Gold

Ico & the Bird Fine Jewelry 11.46 carat Moonstone Diamond Gold Ring
By Ico & the Bird Fine Jewelry
Located in Los Angeles, CA
polished center. Two white VS diamonds weighing .018 carats are set in the center of the swivel. The
Category

2010s American Artisan Dome Rings

Materials

Moonstone, Diamond, 18k Gold, Gold

GCS 2.83ct Colombian Emerald Diamonds Ring, Platinum
Located in London, GB
GCS nº5782-018 Others: 18 Diamonds • Cut: Round • Total Carat weight: 0.50ct approximately • Colour
Category

21st Century and Contemporary French Modern Solitaire Rings

Materials

Emerald, Platinum

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Pink Opal, Amazonite and Diamond Earring 14 Karat Yellow Gold
Located in JAIPUR, IN
Elegant and exquisitely detailed 14 Karat Yellow Gold Earrings, adorned with 14.15 Cts Cab Trillion Shape Pink Opal, 3.36 Cts. Amazonite and Diamonds, weighing approx. 1.0 CT Beauti...
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2010s Indian Dangle Earrings

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Amazonite, Diamond, Opal, 14k Gold, Yellow Gold

Fine Natural Colombian Emerald Diamond Engagement Ring
By Emeralds Maravellous
Located in US
Fine Estate Natural Colombian Emerald Diamond Engagement Ring Centered with a stunning natural Colombian Emerald 1.10 carat Vivid Medium Green, excellent brilliance and saturation. S...
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Early 2000s American Contemporary Engagement Rings

Materials

Diamond, White Diamond, Emerald, 14k Gold, White Gold

18K Yellow Gold Moonstone Tennis Bracelet
By VR Jewels
Located in Houston, TX
Bracelets are worn to enhance the look. Women love to look good. It is common to see a woman rocking a lovely gold bracelet on her wrist. A gold gemstone bracelet is the ultimate sta...
Category

21st Century and Contemporary American Modern Tennis Bracelets

Materials

Moonstone, 18k Gold, Yellow Gold

18K Yellow Gold Moonstone Tennis Bracelet
18K Yellow Gold Moonstone Tennis Bracelet
Free Shipping
W 0.23 in L 7 in
Steven Battelle 12.6 Carats Pink Tourmaline 22K Gold Ring
By Steven Battelle
Located in Soquel, CA
A juicy long cushion cut 14 x 32 mm pink tourmaline is set into a signature ancient-inspired Steven Battelle handmade 22K design featuring spiral and "jawan" accents atop a nice matt...
Category

21st Century and Contemporary Indonesian Contemporary Cocktail Rings

Materials

Tourmaline, 22k Gold

Tiffany & Co. Bamboo Gold Bangle Bracelet
By Tiffany & Co.
Located in New York, NY
Tiffany & Co. "Bamboo" gold bangle bracelet, made in Italy 18 karat yellow gold; marked Tiffany & Co., K18, 15VR, Italy Size: thickness of bangle 9 mm; inner circumference: 6.5 in...
Category

Vintage 1960s Contemporary Bangles

Materials

Gold, 18k Gold, Yellow Gold

Moonstone Matte Gold Ring
Located in Aspen, CO
Our Moonstone Matte Gold Ring is a gorgeous modern piece. With a bezel set moonstone hugged by two triangles of 10 diamonds each, and a matte rose gold band there is nothing quite li...
Category

2010s More Rings

Steven Battelle 0.8 Carats Triple Champagne Diamond 18K Gold Ring
By Steven Battelle
Located in Soquel, CA
One 4mm and two 3mm slightly colored Champagne diamonds in unusual "reverse" settings are manifest in this unique Steven Battelle design. Both the bezels and the shank are hand text...
Category

21st Century and Contemporary Contemporary Fashion Rings

Materials

Diamond, Gold, 18k Gold

Handcraft White Gold 18 Carats Brazilian Aquamarines Diamonds Drop Necklace
By SCALA GIOIELLI
Located in Marcianise, IT
Spectacular 18-karat white gold necklace made entirely by hand by our artisans and composed of 82 pear cut Brazilian aquamarines, all mobile pendants separated from each other by dia...
Category

21st Century and Contemporary Italian Artisan Drop Necklaces

Materials

Aquamarine, Diamond, 18k Gold, White Gold

Genuine Garnet Bead Necklace 14 Kt Yellow Gold Plated Lobster
Located in New York, NY
6.5 MM Genuine Polished Smooth Garnet Bead Necklace 18" Long 14 Kt Yellow Gold Plated Lobster Clasp There are 64 Beads 14 Karat gold Plated lobster Clasp Very uniform beads ...
Category

2010s Beaded Necklaces

Materials

Garnet, 14k Gold, Yellow Gold, Gold Plate

Alexander GIA 6.65 Carat Ceylon Sapphire with Diamonds Three-Stone Ring Platinum
By Alexander Beverly Hills
Located in BEVERLY HILLS, CA
Stunning modern three-stone GIA certified Ceylon sapphire and diamonds ring. A very lively sapphire with hard to find elongated epaulet diamonds. High jewelry by Alexander Beverly Hi...
Category

21st Century and Contemporary American Contemporary Three-Stone Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

Hakimoto 18K Yellow Gold Natural Color Metallic Baroque Pearl Diamonds Earrings
Located in New York, NY
Hakimoto By Jewel Of Ocean 18K Yellow Gold and Diamond Fancy Natural Color Metallic Baroque Pearl Earrings. Hight 1 inch Total item weight 6.7 grams Featuring 0.038 Carats of Round ...
Category

21st Century and Contemporary American Baroque Dangle Earrings

Materials

Diamond, Pearl, 18k Gold, Yellow Gold

Dalben Rutilated Quartz Yellow Gold Ring
By Laura Dalben
Located in Como, IT
Dalben design One of a kind 18 kt yellow gold ring with an oval cabochon rutilated quartz weight 27,7 carats . The rutilated quartz has wonderful gold color needle. Ring size US ...
Category

21st Century and Contemporary Italian Contemporary Cocktail Rings

Materials

Quartz, Yellow Gold, Gold, 18k Gold

20.82 Carat Aquamarine Diamond 18 Karat White Gold Pendant Necklace
Located in New York, NY
A beautifully cut Santa Maria blue pear shape aquamarine is the center piece of this lovely pendant. Set in a 18 karat white gold handcrafted pendant with a bright white round brilli...
Category

Early 2000s Pendant Necklaces

Materials

Aquamarine, Diamond, 18k Gold, White Gold

Steven Battelle 0.5 Carat Emerald and Diamond 18K Gold Ring
By Steven Battelle
Located in Soquel, CA
A bright 4mm round faceted Emerald is set in an organic textured squarish shank surrounded by two 2mm VS1 diamonds. The gold is matte-finish. This ring is currently sized 6.5, but i...
Category

21st Century and Contemporary Indonesian Contemporary Fashion Rings

Materials

Diamond, Emerald, 18k Gold

Steven Battelle Rainbow Moonstone Kyanite 18K Gold Wire Dangle Earrings
By Steven Battelle
Located in Soquel, CA
Long oval 8x11 mm Rainbow Moonstone cabochons are set below 5 mm faceted 18K faceted deep blue Kyanites in this beautifully complementary Steven Battelle design. 11.1 carats stone ...
Category

21st Century and Contemporary Indonesian Modern Dangle Earrings

Materials

Moonstone, Rainbow Moonstone, Gold, 18k Gold

Brilliant 1.2 ct Diamond Studded Dome Ring in Solid 18K Yellow Gold
By VR Jewels
Located in Houston, TX
1.2 ct Diamond Dome Ring in 18K Gold which perfectly goes with your personality and also helps you to learning and spiritual healing. This gorgeous ring is a perfect wedding gift for...
Category

21st Century and Contemporary American Modern Dome Rings

Materials

Diamond, Gold, 18k Gold, Yellow Gold

Recent Sales

.0.95 Ct Sapphire and 018 Ct Diamond, 18k Yellow Gold Pendant - Belle Epoque
Located in Jesmond, Newcastle Upon Tyne
carat Diamond Quality Color (average grades) H Clarity (average grades) SI2 Cut Dutch Content
Category

Vintage 1920s Unknown Belle Époque Pendant Necklaces

Materials

Diamond, Pink Sapphire, 18k Gold, Gold Plate, Yellow Gold

.55 Carat Diamond Gold Engagement Ring with Matching Band
Located in Litchfield, CT
sparkly white diamonds. Set with a brilliant .55 carat center diamond (H color, VS clarity) and an
Category

Early 2000s American Engagement Rings

Materials

White Diamond

"X" with a Twist Diamond Ring
Located in Great Neck, NY
contains 51 round VS2, G color diamonds totaling .018 carats which are set in 1.6 grams of 18 karat white
Category

21st Century and Contemporary American Contemporary Fashion Rings

Materials

Diamond, 18k Gold, White Gold

French 1970 Fluted Coral Necklace in 18Kt Yellow Gold with 1.82 Cts VS Diamonds
Located in Miami, FL
graduated French pave setting of 32 round brilliant cut diamonds, with a combined weight of 1.82 carats
Category

Vintage 1960s French Modernist Drop Necklaces

Materials

Coral, Diamond, White Diamond, 18k Gold, Yellow Gold

8.50 Carat Red Agate Diamond Gold Cocktail Ring
Located in Dallas, TX
.018 carats of white diamonds. The ring measures 3/4 inch in length and 5/8 inch in width. It has a
Category

21st Century and Contemporary Cocktail Rings

Materials

Agate, 18k Gold, White Gold

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018 Carat Diamond For Sale on 1stDibs

On 1stDibs, you can find the most appropriate 018 carat diamond for your needs in our varied inventory. Each design created in this style — which was crafted with great care and often made from gold, 18k gold and yellow gold — can elevate any look. You can easily find a 8 antique edition and 26 modern creations to choose from as well. If you’re looking for a 018 carat 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 20th Century while another version may have been produced as recently as the 21st Century. Creating a 018 carat diamond has been a part of the legacy of many jewelers, but those produced by Meghna Jewels, Chopard and Gems Paradise are consistently popular. A 018 carat diamond can make for a versatile accessory, but a selection from our variety of 27 diamond versions can add an especially stylish touch. See these pages for a round cut iteration of this accessory, while there are also rose cut cut and brilliant cut cut versions available here, too. If you’re browsing our inventory for a 018 carat 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 018 Carat Diamond?

Prices for a 018 carat diamond can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $475 and can go as high as $49,750, while this accessory, on average, fetches $5,200.
Questions About 018 Carat Diamond
  • 1stDibs ExpertApril 5, 2022
    Yes, there are three-carat diamonds, and you can find them from a number of different jewelers and other retailers. Find an assortment of diamond jewelry from the world’s top sellers on 1stDibs.
  • 1stDibs ExpertMarch 22, 2022
    A 24-carat diamond is a precious diamond gemstone that weighs 24 carats. One carat weighs 200 milligrams, meaning a 24-carat diamond weighs roughly 4.8 grams. That equates to roughly 0.17 ounces. On 1stDibs, shop a variety of diamond jewelry.
  • 1stDibs ExpertFebruary 22, 2021
    The size of a 12 carat diamond is dependent on diamond cut. A 12 carat round diamond is roughly 15 mm in size.
  • 1stDibs ExpertFebruary 22, 2021
    Depending on the quality, age, and designer, a 1-carat diamond can cost between $1,300 and $16,500.
  • 1stDibs ExpertAugust 17, 2021
    A 7-carat diamond can cost anywhere between $12,000 and $185,000 depending on the quality of the stone. The fewer imperfections, the more expensive the diamond. Some 7-carat diamonds can cost more than $400,000.
  • 1stDibs ExpertSeptember 28, 2021
    A 9-carat diamond’s worth varies depending on the 4Cs of diamond quality — color, cut, clarity and carat. On average, a 9-carat diamond could cost you between $19,000 to $1,000,000. It is also likely that the price range per carat will be even broader. On 1stDibs, you can find a variety of 9-carat diamond jewelry from different periods and styles to choose from.
  • 1stDibs ExpertSeptember 28, 2021
    A 3-carat diamond’s worth varies depending on the 4Cs of diamond quality – color, cut, clarity and carat. On average, a 3-carat diamond could cost you between $7,200 to $51,000. It is also likely that the price range per carat will be even broader. On 1stDibs, you can find a variety of 3-carat diamond jewelry today.
  • 1stDibs ExpertFebruary 27, 2024
    In terms of dimensions, how large a 3-carat diamond is varies. The shape of the diamond will determine its length and width. Weighing 600 milligrams, diamonds that are 3 carats are generally considered to be large stones. On 1stDibs, shop a large collection of diamond jewelry from some of the world's top dealers.
  • 1stDibs ExpertNovember 6, 2023
    There is no hard-and-fast rule for how many carats a diamond necklace should be. On average, solitaire diamond necklaces range from 0.5 to 1 carat, but you can find pieces with larger and smaller stones. Tennis chains that feature continuous diamonds set into links usually have much higher total carat weights. For example, one might feature 60 individual diamonds, each 0.20 carats in size, for a total carat weight of 12.0 carats. Shop a wide range of diamond necklaces on 1stDibs.
  • 1stDibs ExpertApril 5, 2022
    A nine-carat diamond is considered rare and holds a premium price. Because of their rarity and size, nine-carat diamonds are a coveted choice for engagement rings. One of the most famous nine-carat diamond rings belongs to actress Kate Hudson, who has a nine-carat emerald cut diamond complemented with tapered baguettes on a platinum band. Shop a selection of diamond jewelry on 1stDibs.
  • 1stDibs ExpertFebruary 13, 2023
    Yes, a two-carat diamond is generally rarer than a smaller diamond, especially high-quality two-carat diamonds. When larger diamonds are found in nature, they usually have flaws. And prices per carat don’t increase as weight increases. A three-carat gem can be less valuable than a one-carat stone, for example, if all of the other attributes are of lesser quality in the larger diamond. Shop an assortment of diamond jewelry from some of the world’s top jewelers on 1stDibs.
  • 1stDibs ExpertSeptember 28, 2021
    A 4-carat diamond’s worth varies depending on the 4Cs of diamond quality – color, cut, clarity and carat. On average, a 4-carat diamond could cost you between $8,400 to $71,500. It is also likely that the price range per carat will be even broader. On 1stDibs, you can find a variety of 4-carat diamond jewelry.
  • 1stDibs ExpertSeptember 28, 2021
    A 5-carat diamond’s worth varies depending on the 4Cs of diamond quality – color, cut, clarity and carat. On average, a 5-carat diamond could cost you between $9,600 to $67,500. It is also likely that the price range per carat will be even broader. On 1stDibs, you can find a variety of 5-carat diamond jewelry.
  • 1stDibs ExpertSeptember 28, 2021
    A 6-carat diamond’s worth varies depending on the 4Cs of diamond quality – color, cut, clarity and carat. On average, a 6-carat diamond could cost you between $15,000 to $80,000. It is also likely that the price range per carat will be even broader. On 1stDibs, you can find a variety of 6-carat diamond jewelry.
  • 1stDibs ExpertSeptember 28, 2021
    An 8-carat diamond’s worth varies depending on the 4Cs of diamond quality – color, cut, clarity and carat. On an average an 8-carat diamond could cost you between $17,500 to $90,000. It is also likely that the price range per carat will be even broader. On 1stDibs, you can find a variety of 8-carat diamond jewelry from different periods and styles to choose from.
  • 1stDibs ExpertSeptember 28, 2021
    The minimum value of a 25-carat diamond ranges from $300 to $1,400. The prices change subject to the fluctuation of market factors. The value is defined based on the 4Cs — color, clarity, cut and carat weight. Shop antique, vintage and new diamond jewelry on 1stDibs.
  • 1stDibs ExpertFebruary 27, 2024
    Whether a 1.5-carat diamond is too big depends on the type of jewelry in question and your personal preferences. A single stud earring that is 1.5 carats is rather large and would cover the entire earlobe. In terms of rings, a 1.5-carat diamond is larger than average. Find a variety of diamond jewelry on 1stDibs.
  • 1stDibs ExpertFebruary 13, 2023
    Whether a 3-carat diamond is considered big is largely a matter of personal opinion. The average diamond is 1 to 2 carats in size. On 1stDibs, shop a selection of diamond jewelry.
  • 1stDibs ExpertOctober 12, 2021
    A 1-carat yellow diamond can cost anywhere from $6,500 to $8,500 depending on its quality. At roughly $3,500 per carat, a fancy light-yellow diamond is a good buy. The next level up is fancy yellow diamonds, which cost between $4,500 and $5,000 per carat. Shop a range of yellow diamond jewelry on 1stDibs today.
  • 1stDibs ExpertApril 5, 2022
    The term 1-carat diamond earrings means a pair of earrings set with diamond gemstones that have a total weight of 200 milligrams. Depending on the design, each earring may hold one diamond or several smaller gems. You'll find a variety of diamond gemstone earrings on 1stDibs.