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10K Yellow Gold 3 Carat Lab Princess Cut Ruby & Diamond 3 Stone Square Ring
Located in San Jacinto, CA
10K Yellow Gold 3 Carat Lab Princess Cut Ruby & Diamond 3 Stone Square Ring This beautiful ring
Category

21st Century and Contemporary Three-Stone Rings

Materials

Diamond, Ruby, 10k Gold, Yellow Gold

Yellow Gold Lab-Created Ruby Diamond Link Bracelet 7 3/4" - 14k Sq3.69ctw Tennis
Located in Greensboro, NC
Color: Pinkish Red Natural Diamonds Carat(s): .45ctw Cut: Round Brilliant Color: H - I Clarity: I1
Category

21st Century and Contemporary Link Bracelets

Materials

Diamond, Ruby, 14k Gold, Yellow Gold

14kt Diamond Fashion Earrings with Diamond lab Report
Located in Towson, MD
approximately .75 carats of H-I/ I1 diamonds. The enter portion of the triangle contains diamonds, then there's
Category

2010s Stud Earrings

Materials

Diamond, 14k Gold, White Gold

Sterling Silver 1.0 Carat Black Diamond with Lab Created Pink Ruby Link Bracelet
Located in New York, NY
Add a splash of color to your wardrobe with this gorgeous link bracelet featuring diamonds and
Category

21st Century and Contemporary Indian Modern Link Bracelets

Materials

Diamond, Black Diamond, Ruby, Sterling Silver

Istanbul Ear Oval with Lab Diamonds, 18k Gold
By Nomis Jewelry Sarl
Located in Genève, GE
18k white gold ear oval with lab diamonds 1,5 mm stones q-ty: 35 size 5/3 cm
Category

21st Century and Contemporary Ukrainian Contemporary Clip-on Earrings

Materials

Diamond, 18k Gold

Istanbul Ear Oval with Lab Diamonds, 18k Gold
Istanbul Ear Oval with Lab Diamonds, 18k Gold
Free Shipping
W 1.97 in D 0.04 in L 1.19 in
1.21 Carat Emerald Diamond 3-Stone Platinum Ring
Located in Beverly Hills, CA
A fine and luscious emerald weighing 1.21 carats takes center stage of this 3-stone ring. It has a
Category

21st Century and Contemporary American Fashion Rings

Materials

Emerald, Diamond, Platinum

AGS Certified 10K White Gold 1/3 Carat Diamond Adjustable Pendant Necklace
Located in New York, NY
1/3 c.t. diamond in a solid 10K white gold bezel setting, set on a 16 to 18 inch adjustable cable
Category

21st Century and Contemporary Indian Contemporary Pendant Necklaces

Materials

Diamond, White Diamond, White Gold, 10k Gold

Leo Diamond Princess Cut 0.95 Carat H SI1 Solitaire Ring 14 Karat White Gold
By The Leo Diamond
Located in San Diego, CA
(sizable) Total Carat Weight: 0.95CTS Diamond Shape: LEO Princess Diamond Color & Clarity: H / SI1
Category

2010s American Engagement Rings

Materials

Diamond, 14k Gold, White Gold

AGS Certified 10K White Gold 1/3 Carat Diamond Adjustable Pendant Necklace
Located in New York, NY
1/3 c.t. diamond in a solid 10K white gold bezel setting, set on a 16 to 18 inch adjustable cable
Category

21st Century and Contemporary Indian Modern Pendant Necklaces

Materials

Diamond, White Diamond, 10k Gold, White Gold

14K White Gold Pink Lab Topaz & Diamond Earrings, 15.00tcw, 6.8g
Located in Laguna Beach, CA
brilliant cut diamonds on the upper earring, .06 total carats. The earring measure one inch long and 3/8
Category

Mid-20th Century Unknown Dangle Earrings

Materials

Diamond, Topaz, 14k Gold, White Gold

Certified 3 Carat Cornflower Blue Sapphire Diamond Ring 'Natural & Untreated'
Located in London, GB
carats Conflict free diamonds. Weight of diamonds: 0.68 carats Metal: Platinum Certificate: French Gem
Category

2010s Unknown Art Nouveau Engagement Rings

Materials

Blue Sapphire, Sapphire, Diamond, Platinum

Yellow Gold Lab-Created Ruby & Diamond Men's Ring - 10k Emerald Cut 6.37ctw
Located in Greensboro, NC
Diamonds Carat(s): .12ctw Cut: Rough Color: G - H Clarity: SI1 - SI2 Total Carats: 6.37ctw Style
Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Ruby, 10k Gold, White Gold, Yellow Gold

AGS Certified 10k Yellow Gold 1/3 Carat Round Diamond Solitaire Pendant Necklace
Located in New York, NY
1/3 c.t. diamond in a solid 10K yellow gold bezel setting, set on a 16 to 18 inch adjustable cable
Category

21st Century and Contemporary Indian Contemporary Pendant Necklaces

Materials

Diamond, White Diamond, Yellow Gold, 10k Gold

3 Carat 14k Rose Gold Natural Round Diamonds Circle Pendant Necklace
Located in Los Angeles, CA
This diamond circle pendant provides a glowing chic look. Metal: 14k Gold Diamond Total Carats: 3
Category

2010s American Pendant Necklaces

Materials

Diamond, Rose Gold

3 Carat 14k Yellow Gold Natural Round Diamonds Circle Pendant Necklace
Located in Los Angeles, CA
This diamond circle pendant provides a glowing chic look. Metal: 14k Gold Diamond Total Carats: 3
Category

2010s American Pendant Necklaces

Materials

Diamond, Yellow Gold

3 Carat 14k Rose Gold Natural Round Diamonds Circle Pendant Necklace
Located in Los Angeles, CA
This diamond circle pendant provides a glowing chic look. Metal: 14k Gold Diamond Total Carats: 3
Category

2010s American Pendant Necklaces

Materials

Diamond, Rose Gold

3 Carat 14k Yellow Gold Natural Round Diamonds Circle Pendant Necklace
Located in Los Angeles, CA
This diamond circle pendant provides a glowing chic look. Metal: 14k Gold Diamond Total Carats: 3
Category

2010s American Pendant Necklaces

Materials

Diamond, Yellow Gold

3 Carat 14k Rose Gold Natural Round Diamonds Circle Pendant Necklace
Located in Los Angeles, CA
This diamond circle pendant provides a glowing chic look. Metal: 14k Gold Diamond Total Carats: 3
Category

2010s American Pendant Necklaces

Materials

Diamond, Rose Gold

3 Carat 14k Yellow Gold Natural Round Diamonds Circle Pendant Necklace
Located in Los Angeles, CA
This diamond circle pendant provides a glowing chic look. Metal: 14k Gold Diamond Total Carats: 3
Category

2010s American Pendant Necklaces

Materials

Diamond, Yellow Gold

3 Carat 14k Rose Gold Natural Round Diamonds Circle Pendant Necklace
Located in Los Angeles, CA
This diamond circle pendant provides a glowing chic look. Metal: 14k Gold Diamond Total Carats: 3
Category

2010s American Pendant Necklaces

Materials

Diamond, Rose Gold

3 Carat 14k Yellow Gold Natural Round Diamonds Circle Pendant Necklace
Located in Los Angeles, CA
This diamond circle pendant provides a glowing chic look. Metal: 14k Gold Diamond Total Carats: 3
Category

2010s American Pendant Necklaces

Materials

Diamond, Yellow Gold

3 Carats 14k White Gold Natural Round Diamonds Circle Pendant Necklace
Located in Los Angeles, CA
This diamond circle pendant provides a glowing chic look. Metal: 14k Gold Diamond Total Carats: 3
Category

2010s American Pendant Necklaces

Materials

Diamond, White Gold

3 Carats 14k White Gold Natural Round Diamonds Circle Pendant Necklace
Located in Los Angeles, CA
This diamond circle pendant provides a glowing chic look. Metal: 14k Gold Diamond Total Carats: 3
Category

2010s American Pendant Necklaces

Materials

Diamond, White Gold

3 Carats 14k White Gold Natural Round Diamonds Circle Pendant Necklace
Located in Los Angeles, CA
This diamond circle pendant provides a glowing chic look. Metal: 14k Gold Diamond Total Carats: 3
Category

2010s American Pendant Necklaces

Materials

Diamond, White Gold

3 Carats 14k White Gold Natural Round Diamonds Circle Pendant Necklace
Located in Los Angeles, CA
This diamond circle pendant provides a glowing chic look. Metal: 14k Gold Diamond Total Carats: 3
Category

2010s American Pendant Necklaces

Materials

Diamond, White Gold

18k Rose Gold 3 Carat Oval Cut Natural Diamond Eternity Ring
Located in Los Angeles, CA
Color: Rose Gold 2 Carat = Approx .10ct each diamond. 3 Carat = Approx .15ct each. 4 Carat = Approx
Category

2010s North American Engagement Rings

Materials

Diamond, Rose Gold

18k White Gold Oval Cut 3 Carat Natural Diamond Eternity Band
Located in Los Angeles, CA
Color: White Gold 2 Carat = Approx .10ct each diamond. 3 Carat = Approx .15ct each. 4 Carat = Approx
Category

2010s North American Engagement Rings

Materials

Diamond, White Gold

18k Yellow Gold 3 Carat Oval Cut Natural Diamond Eternity Ring
Located in Los Angeles, CA
Color: Yellow Gold 2 Carat = Approx .10ct each diamond. 3 Carat = Approx .15ct each. 4 Carat = Approx
Category

2010s North American Engagement Rings

Materials

Diamond, Yellow Gold

18k Rose Gold 3 Carat Emerald Cut Natural Diamond Eternity Ring
Located in Los Angeles, CA
anniversary gift. Metal: 18k Gold Diamond Total Carat: 3ct Diamond Cut: Emerald Cut - Natural Conflict Free
Category

2010s Engagement Rings

Materials

Diamond, Rose Gold

18k Yellow Gold 3 Carat Emerald Cut Natural Diamond Eternity Ring
Located in Los Angeles, CA
anniversary gift. Metal: 18k Gold Diamond Total Carat: 3ct Diamond Cut: Emerald Cut - Natural Conflict Free
Category

2010s Engagement Rings

Materials

Diamond, Yellow Gold

18k White Gold 3 Carat Emerald Cut Natural Diamond Eternity Ring
Located in Los Angeles, CA
anniversary gift. Metal: 18k Gold Diamond Total Carat: 3ct Diamond Cut: Emerald Cut - Natural Conflict Free
Category

2010s Engagement Rings

Materials

Diamond, White Gold

Yellow Gold Lab-Created Opal & Diamond Bypass Band 14k Inlay .30ctw Ring Sz6 1/4
Located in Greensboro, NC
Diamonds Carat(s): .30ctw Cut: Round Brilliant Color: G - H Clarity: VS2 - SI1 Total Carats: .30ctw Style
Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Opal, 14k Gold, Yellow Gold

0.47ctw Lab Created Emerald Diamond Halo Ring 14k Gold Beveled Band Size 6.5
Located in McLeansville, NC
Gemstone Information: - Lab Created Emerald - Carats - 0.35ct Cut - Marquise Color - Green
Category

21st Century and Contemporary Fashion Rings

Materials

Diamond, Emerald, 14k Gold, Yellow Gold

0.20ctw Diamond Horseshoe Horse Ring 14k Gold Size 11.5 Western Lab Created Ruby
Located in McLeansville, NC
Gemstone Information: - Natural Diamonds - Total Carats - 0.20ctw Cut - Round Brilliant Color
Category

21st Century and Contemporary Fashion Rings

Materials

Diamond, Ruby, 14k Gold, Yellow Gold

Yellow Gold Blue Lodge Men's Master Mason Ring 10k Lab-Created Ruby Diamond
Located in Greensboro, NC
Size: 9 3/4 Sizing Fee: Up 2 sizes for $50 or Down 1 size for $50 Organization: Blue Lodge Metal
Category

21st Century and Contemporary Signet Rings

Materials

Diamond, Ruby, 10k Gold, Yellow Gold

GIA Certified 3 Carat Total Radiant Cut Diamond Stud Earrings in 18k White Gold
By Gad & Co.
Located in Miami, FL
3 carat total radiant cut natural diamond stud earrings. Set in 18k white gold with a round-cut
Category

2010s American Modern Stud Earrings

Materials

Diamond, 18k Gold, White Gold

Gubelin 3 Carat No Heat Burmese Blue Sapphire and Diamond 18 Karat Gold Ring
Located in Bangkok, TH
diamonds, 1.81 carat of emeralds mounted on 18K white gold gross weight 9.33g. The diamonds are about H-I
Category

2010s Three-Stone Rings

Materials

Diamond, Emerald, Blue Sapphire, 18k Gold, White Gold

GIA Certified 3/4 Carat Asscher Cut Platinum Pendant
By Lili Jewelry
Located in New York, NY
3/4 ct Diamond set in 4 prong low basket. 18" platinum chain with a safety lock. Diamond GIA
Category

21st Century and Contemporary American Contemporary Pendant Necklaces

Materials

Diamond, Platinum

GIA Certified 3/4 Carat Asscher Cut Platinum Pendant
By Lili Jewelry
Located in New York, NY
3/4 ct Diamond set in 4 prong low basket. 18" platinum chain with a safety lock. Diamond GIA
Category

21st Century and Contemporary American Contemporary Pendant Necklaces

Materials

Diamond, Platinum

GIA Certified 3/4 Carat Cushion Cut Platinum Pendant
By Lili Jewelry
Located in New York, NY
3/4 ct Diamond set in 4 prong low basket. 18" platinum chain with a safety lock. Diamond quality
Category

21st Century and Contemporary American Contemporary Pendant Necklaces

Materials

Diamond, Platinum

18k Gold 3 mm Diamond Necklace Brilliant Cut Round Solitaire Diamond Pendant
By Oshi Jewels
Located in Bangkok, TH
Diamonds :- 1 - Diamond Size :- 3 mm. - Setting Type :- Bezel Setting Diamonds :- All Diamonds are genuine
Category

21st Century and Contemporary Thai Modern Pendant Necklaces

Materials

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

1.63 Carat Emerald and 2.31 Carat Diamond Yellow Gold Ring
Located in Jesmond, Newcastle Upon Tyne
A stunning vintage 1.63 carat Zambian emerald and 2.31 carat diamond, 18 karat yellow gold cocktail
Category

1990s Unknown Cocktail Rings

Materials

Diamond, Emerald, 18k Gold, Yellow Gold

14k Gold 3 mm Ct Diamond Necklace Brilliant Cut Round Solitaire Diamond Pendant
By Oshi Jewels
Located in Bangkok, TH
Diamonds :- 1 - Diamond Size :- 3 mm. - Setting Type :- Bezel Setting Diamonds :- All Diamonds are genuine
Category

21st Century and Contemporary Thai Modern Pendant Necklaces

Materials

Diamond, 14k Gold, Rose Gold, White Gold, Yellow Gold

Antique 1.70 Carat Colombian Emerald and 2.18 Carat Diamond Platinum Twist Ring
Located in Jesmond, Newcastle Upon Tyne
A stunning, fine and impressive antique 1.70 carat Colombian emerald, 2.18 carat diamond and
Category

Vintage 1920s Unknown Fashion Rings

Materials

Diamond, Emerald, Platinum

Capucelli '9.69ct. t.w.' Natural Diamonds Tennis Necklace, 14k Gold 3-Prongs
By Capucelli
Located in Great Neck, NY
earth mine diamonds ( NO Lab Made). Quality to us is important and that is why we hand select our
Category

21st Century and Contemporary Art Nouveau Chain Necklaces

Materials

Diamond, 14k Gold

Capucelli '10.30ct. t.w.' Natural Diamonds Tennis Necklace, 14k Gold 3-Prongs
By Capucelli
Located in Great Neck, NY
earth mine diamonds ( NO Lab Made). Quality to us is important and that is why we hand select our
Category

21st Century and Contemporary Art Nouveau Chain Necklaces

Materials

Diamond, 14k Gold

Sterling Silver 3/4ct Sapphire and White Diamond Accent Cross Pendant Necklace
Located in New York, NY
: I3 Diamond Weight: 0.05 cttw Diamond Setting Type: Shared Prong Gemstone Type: Lab Created Color
Category

21st Century and Contemporary American Contemporary Pendant Necklaces

Materials

Diamond, White Diamond, Blue Sapphire, Sterling Silver

Certified Natural Emerald Diamond 3 Stone Ring - Vivid Green
Located in London, GB
: 1.53 carat Conflict free natural diamonds. Weight of diamonds: 0.51 carats Metal: Platinum
Category

2010s Unknown Art Deco Engagement Rings

Materials

Diamond, Emerald, Platinum

71.00 Carat Sapphire, 10.00 Carat Natural Diamonds, Statement Necklace
Located in Ramat Gan, IL
gorgeous collier includes 71.00 carat lab corundum sapphire and 6.00 carat natural diamonds. Sapphire
Category

2010s Israeli Art Deco Choker Necklaces

Materials

Diamond, Sapphire, 14k Gold, 18k Gold

Capucelli '5.50 ct. t.w.' Natural Diamonds Tennis Necklace, 14k Gold 3-Prongs
By Capucelli
Located in Great Neck, NY
earth mine diamonds ( NO Lab Made). Quality to us is important and that is why we hand select our
Category

21st Century and Contemporary Art Nouveau Chain Necklaces

Materials

Diamond, 14k Gold

Capucelli '3.50 ct. t.w.' Natural Diamonds Tennis Necklace, 14k Gold 3-Prongs
By Capucelli
Located in Great Neck, NY
earth mine diamonds ( NO Lab Made). Quality to us is important and that is why we hand select our
Category

21st Century and Contemporary Art Nouveau Chain Necklaces

Materials

Diamond, 14k Gold

Capucelli '4.50 ct. t.w.' Natural Diamonds Tennis Necklace, 14k Gold 3-Prongs
By Capucelli
Located in Great Neck, NY
earth mine diamonds ( NO Lab Made). Quality to us is important and that is why we hand select our
Category

21st Century and Contemporary Art Nouveau Chain Necklaces

Materials

Diamond, 14k Gold

Kashmir Sapphire No Heat Diamond Platinum 3-Stone Engagement Ring
By Dover Jewelry
Located in Miami, FL
Emerald-cut Diamonds collectively weighing appx. 1.30 carats. The diamonds are graded to be appx. F-G
Category

21st Century and Contemporary Modern Three-Stone Rings

Materials

Diamond, Sapphire, Platinum

GIA & GRS Certified 3 Carat Burmese No Heat Ruby Earrings. "Pigeon Blood" Red
Located in London, GB
: F/G colour Weight of diamonds: approx 2 - 3 carats Metal: white and yellow gold Certificates
Category

Late 20th Century English Art Deco Drop Earrings

Materials

Diamond, Ruby, 18k Gold

14k Morganite & Diamond Dazzling Pendant 19.07 Carat
Located in New York, NY
14K rose gold pendant featuring 0.60 carats of round brilliant cut white diamonds and 19.07 oval
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, Morganite

Vintage 4.80 Carat Sapphire and 1 Carat Diamond White Gold Cluster Ring
Located in Jesmond, Newcastle Upon Tyne
A stunning 4.80 carat Ceylon sapphire and 1 carat diamond , 9 karat white gold cluster style dress
Category

Vintage 1980s Unknown Cluster Rings

Materials

Diamond, Sapphire, White Gold

Natural Brazillian Alexandrite 0.50 Carat & Mesmerizing Diamond Ring
Located in New York, NY
: Green ►Natural Diamonds: 0.09 carat ►Style # AR13 ►Item No.: ARM22 ►Estimated Retail Value: $4270
Category

21st Century and Contemporary Engagement Rings

Materials

Alexandrite, Diamond

Sparkling Natural Brazillian Alexandrite 0.26 Carat & Diamond Ring
Located in New York, NY
: Green ►Natural Diamonds: 0.45 carat ►Style # AR14 ►Item No.: ARM10 ►Estimated Retail Value: $5750
Category

21st Century and Contemporary Engagement Rings

Materials

Alexandrite, Diamond

Sparkling Natural Brazillian Alexandrite 0.50 Carat & Diamond Ring
Located in New York, NY
: Green ►Natural Diamonds: 0.09 carat ►Style # AR13 ►Item No.: ARM26 ►Estimated Retail Value: $4270
Category

21st Century and Contemporary Engagement Rings

Materials

Alexandrite, Diamond

0.11 Carat. Elegant Natural Brazillian Alexandrite & Diamond Ring
Located in New York, NY
: Green ►Natural Diamonds: 0.13 carat ►Style # AR1 ►Item No.: ARM55 ►Estimated Retail Value: $2800
Category

21st Century and Contemporary Engagement Rings

Materials

Alexandrite, Diamond

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3 Carat Lab Diamond For Sale on 1stDibs

Surely you’ll find the exact 3 carat lab diamond you’re seeking on 1stDibs — we’ve got a vast assortment for sale. Every item for sale was constructed with extraordinary care, often using gold, white gold and yellow gold. Find an antique version now, or shop for 205 vintage or 429 modern creation for a more contemporary example of these cherished accessories. Making the right choice when shopping for a 3 carat lab diamond may mean carefully reviewing examples of this item dating from different eras — you can find an early iteration of this piece from the 19th Century and a newer version made as recently as the 21st Century, both of which have proven very popular over the years. A 3 carat lab diamond from Oshi Jewels, Emilio! and Diana M. Jewels — each of whom created a beautiful version of this treasured accessory — is worth considering. A 3 carat lab diamond of any era or style can lend versatility to your look, but a version featuring diamond, from our inventory of 496, is particularly popular. A round cut version of this piece has appeal, but there are also oval cut and cushion cut versions for sale. There aren’t many items for men if you’re seeking a 3 carat lab diamond, as most of the options available are for women and unisex.

How Much is a 3 Carat Lab Diamond?

Prices for a 3 carat lab diamond can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $239 and can go as high as $468,500, while this accessory, on average, fetches $5,800.
Questions About 3 Carat Lab Diamond
  • 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 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.