Skip to main content

3 Carat Round Lab

to
57
211
16
250
36
26
11
9
4
4
3
3
3
2
2
2
1
1
1
35
6
5
4
2
Sort By
3 Carat 14k Rose Gold Natural Round Diamonds Circle Pendant Necklace
Located in Los Angeles, CA
carat Diamond Cut: Round Natural Diamonds (Not Lab Grown) Diamond Clarity: VS Diamond Color: F-G Color
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
carat Diamond Cut: Round Natural Diamonds (Not Lab Grown) Diamond Clarity: VS Diamond Color: F-G Color
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
carat Diamond Cut: Round Natural Diamonds (Not Lab Grown) Diamond Clarity: VS Diamond Color: F-G Color
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
carat Diamond Cut: Round Natural Diamonds (Not Lab Grown) Diamond Clarity: VS Diamond Color: F-G Color
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
carat Diamond Cut: Round Natural Diamonds (Not Lab Grown) Diamond Clarity: VS Diamond Color: F-G Color
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
carat Diamond Cut: Round Natural Diamonds (Not Lab Grown) Diamond Clarity: VS Diamond Color: F-G Color
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
carat Diamond Cut: Round Natural Diamonds (Not Lab Grown) Diamond Clarity: VS Diamond Color: F-G Color
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
carat Diamond Cut: Round Natural Diamonds (Not Lab Grown) Diamond Clarity: VS Diamond Color: F-G Color
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
carat Diamond Cut: Round Natural Diamonds (Not Lab Grown) Diamond Clarity: VS Diamond Color: F-G Color
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
carat Diamond Cut: Round Natural Diamonds (Not Lab Grown) Diamond Clarity: VS Diamond Color: F-G Color
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
carat Diamond Cut: Round Natural Diamonds (Not Lab Grown) Diamond Clarity: VS Diamond Color: F-G Color
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
carat Diamond Cut: Round Natural Diamonds (Not Lab Grown) Diamond Clarity: VS Diamond Color: F-G Color
Category

2010s American Pendant Necklaces

Materials

Diamond, White 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

.925 Sterling Silver 5 3/4 Carat Round Created Blue Sapphire Tennis Bracelet
Located in New York, NY
clarity of AAA, weigh a total of 5 3/4 carats, adding a touch of opulence to your wrist. The 7.25" inches
Category

21st Century and Contemporary American Contemporary Link Bracelets

Materials

Blue Sapphire, Sapphire, Sterling Silver

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

Sterling Silver 1.0 Carat Black Diamond with Lab Created Pink Ruby Link Bracelet
Located in New York, NY
Gemstone Type: Lab- Created Color Treated Pink Ruby Gemstone Count: 11 Round-Cut Gemstone Gemstone Color
Category

21st Century and Contemporary Indian Modern Link Bracelets

Materials

Diamond, Black Diamond, Ruby, Sterling Silver

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

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
18k Gold 3 mm Diamond Necklace Brilliant Cut Round Solitaire Diamond Pendant
By Oshi Jewels
Located in Bangkok, TH
) & 18" (17+1) ADJUSTABLE TO 1", EASY TO USE - Diamond Cut :- Round - Total CTW :- 0.12 ct. - Number of
Category

21st Century and Contemporary Thai Modern Pendant Necklaces

Materials

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

14k Gold 3 mm Ct Diamond Necklace Brilliant Cut Round Solitaire Diamond Pendant
By Oshi Jewels
Located in Bangkok, TH
) & 18" (17+1) ADJUSTABLE TO 1", EASY TO USE - Diamond Cut :- Round - Total CTW :- 0.12 ct. - Number of
Category

21st Century and Contemporary Thai Modern Pendant Necklaces

Materials

Diamond, 14k Gold, Rose Gold, White Gold, Yellow 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 Contemporary Pendant Necklaces

Materials

Diamond, White Diamond, White Gold, 10k 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

Sterling Silver 2 3/4 Carat Blue Sapphire Crescent Moon Disc Style Hoop Earrings
Located in New York, NY
.925 Sterling Silver Hoop Earrings are adorned with a mesmerizing array of 156 round Lab Created Blue
Category

21st Century and Contemporary American Contemporary Hoop Earrings

Materials

Blue Sapphire, Sterling Silver

White Gold Blue Topaz & Lab-Created Sapphire Art Deco Ring - 14k 1.55ct Vintage
Located in Greensboro, NC
Enhanced Carat(s): 1.55ct Cut: Round Synthetic Sapphires Cut: Triangle Color: Blue Total Carats: 1.55ct
Category

Vintage 1920s Art Deco Cocktail Rings

Materials

Sapphire, Topaz, Blue Topaz, 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

0.20ctw 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

1.90 Carats Round Brilliant Cut Natural Diamonds Tennis Necklace 14K Yellow Gold
Located in Massafra, IT
This exquisite necklace showcases a meticulously crafted ensemble of 1.90 carats of Round Brilliant
Category

21st Century and Contemporary Italian Contemporary Chain Necklaces

Materials

Diamond, 14k Gold, Yellow Gold

14K White Gold Pink Lab Topaz & Diamond Earrings, 15.00tcw, 6.8g
Located in Laguna Beach, CA
gold. The topaz is lab treated to create a pink color, 15.00 carats total weight. There are small round
Category

Mid-20th Century Unknown Dangle Earrings

Materials

Diamond, Topaz, 14k Gold, White Gold

1.92 Carats F/VS1 Round Brilliant Diamonds Men's Tennis Bracelet 14K Yellow Gold
Located in Massafra, IT
Take home this dazzling and shimmering masterpiece crafted with 1.92 carats of round diamonds in a
Category

21st Century and Contemporary Italian Contemporary Tennis Bracelets

Materials

Diamond, Yellow Gold, 14k Gold

3.02 Carat Cushion Cut Burma Ruby & Round Diamond Ring in Platinum & 18K Gold
By Gad & Co.
Located in Miami, FL
3.02 carat cushion cut Ruby and round diamond ring. The 3-carat center stone is certified by
Category

2010s Burmese Modern Cocktail Rings

Materials

Diamond, Ruby, 18k Gold, Yellow Gold, Platinum

27.76 Carats Marquise Pear Round Shape Natural Diamonds Necklace 18K White Gold
Located in Massafra, IT
This exquisite necklace showcases 27.76 carats of marquise, pear, and round shape natural diamonds
Category

21st Century and Contemporary Italian Early Victorian Choker Necklaces

Materials

Diamond, 18k Gold, White Gold

1.50 Carat Emerald Lozenge Ring, Green, Round Emerald Pave, 10kt Yellow Gold
By LeBlanc Jewellery
Located in Stoke-On-Trent, GB
Featuring a lozenge cut lab emerald set with an emerald simulated halo and pavé, this ring is truly
Category

2010s Art Deco Cocktail Rings

Materials

Emerald, Yellow Gold, 10k 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

EVA certified Elena 0.15 carat round brillant synthetic diamond pink gold ring
Located in Monte-Carlo, MC
ELENA model, solid 18-carat pink gold ring set with a 0.15 carat round brilliant synthetic diamond
Category

2010s Fashion Rings

EVA certified Elena 0.15 carat round brillant synthetic diamond yellow gold ring
Located in Monte-Carlo, MC
ELENA model, solid 18-carat yellow gold ring set with a 0.15 carat round brilliant synthetic
Category

2010s Fashion Rings

7.40 Carats Pear Round Brilliant Cut Natural Diamonds Big Ring In 14K White Gold
Located in Massafra, IT
This beautiful ring features IGI Certified 3 Carats [1.50 Carats x 2 Pieces] Pear Shape Natural
Category

21st Century and Contemporary Italian Georgian Cocktail Rings

Materials

Diamond, 14k Gold, White Gold

Capucelli '9.69ct. t.w.' Natural Diamonds Tennis Necklace, 14k Gold 3-Prongs
By Capucelli
Located in Great Neck, NY
necklace showcases a delicate 3 prongs in line chain embellished with dozens of shimmering white natural
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
necklace showcases a delicate 3 prongs in line chain embellished with dozens of shimmering white natural
Category

21st Century and Contemporary Art Nouveau Chain Necklaces

Materials

Diamond, 14k Gold

Capucelli '5.50 ct. t.w.' Natural Diamonds Tennis Necklace, 14k Gold 3-Prongs
By Capucelli
Located in Great Neck, NY
necklace showcases a delicate 3 prongs in line chain embellished with dozens of shimmering white natural
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
necklace showcases a delicate 3 prongs in line chain embellished with dozens of shimmering white natural
Category

21st Century and Contemporary Art Nouveau Chain Necklaces

Materials

Diamond, 14k Gold

18k Gold Brilliant Cut Round Solitaire Diamond Bridal Necklace
By Oshi Jewels
Located in Bangkok, TH
A single brilliant round cut Prong set diamond sits at the center of a thin 18k gold chain
Category

21st Century and Contemporary Thai Modern Pendant Necklaces

Materials

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

14k Gold Brilliant Cut Round Solitaire Diamond Bridal Necklace
By Oshi Jewels
Located in Bangkok, TH
A single brilliant round cut Prong set diamond sits at the center of a thin 14k gold chain
Category

21st Century and Contemporary Thai Modern Pendant Necklaces

Materials

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

Sterling Silver 3/4ct Sapphire and White Diamond Accent Cross Pendant Necklace
Located in New York, NY
Silver pendant necklace is adorned with a mesmerizing 3/4 Cttw Created Blue Sapphire gemstone, radiating
Category

21st Century and Contemporary American Contemporary Pendant Necklaces

Materials

Diamond, White Diamond, Blue Sapphire, Sterling Silver

1.63 Carat Emerald and 2.31 Carat Diamond Yellow Gold Ring
Located in Jesmond, Newcastle Upon Tyne
(average grades) VS2 Cut Tapered baguette / Modern brilliant round Content (total) 2.31 carats Dimensions
Category

1990s Unknown Cocktail Rings

Materials

Diamond, Emerald, 18k Gold, Yellow Gold

14K Yellow Gold Round Brilliant & Ruby Ring 0.90ct
Located in Laguna Beach, CA
weight. The diamond is a round brilliant cut, measuring 6.2mm and 3.87mm deep, measuring .90 carats using
Category

21st Century and Contemporary Solitaire Rings

Materials

Diamond, Ruby, 14k Gold, Yellow Gold

14k Solid Gold Three Diamond Station Necklace Bezel Setting Round Diamond
By Oshi Jewels
Located in Bangkok, TH
Gold / White Gold / Rose Gold. Natural genuine round cut diamond each diamond is hand selected by me
Category

21st Century and Contemporary Thai Modern Pendant Necklaces

Materials

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

18k Solid Gold Three Diamond Station Necklace Bezel Setting Round Diamond
By Oshi Jewels
Located in Bangkok, TH
: Yellow Gold / White Gold / Rose Gold. Natural genuine round cut diamond each diamond is hand selected by
Category

21st Century and Contemporary Thai Modern Pendant Necklaces

Materials

Diamond, 18k 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
/estate jewelry. Emerald Quality Origin Colombia Cut Round Step Content 1.70 carats Dimensions 8.80mm x
Category

Vintage 1920s Unknown Fashion Rings

Materials

Diamond, Emerald, Platinum

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

Cartier Colombian Emerald Bird Brooch, 45.00 Carats
By Cartier
Located in New Orleans, LA
. This masterpiece is further embellished with 10 round cabochon rubies, together totaling 1.00 carat
Category

20th Century French Retro Brooches

Materials

Diamond, Emerald, Ruby, 18k Gold, Yellow Gold

10KT White Gold 1/2 Carat Diamond & 3MM Created Blue Sapphire Gemstone Band Ring
Located in New York, NY
shank is inlaid with five 1/2ct round cut diamonds that alternate with four 3/8ct lab created, deep blue
Category

21st Century and Contemporary Indian Modern Band Rings

Materials

Diamond, Blue Sapphire, 10k Gold, White Gold

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

18 Karat Yellow Gold Milgrain 1.13 Carat Ruby Ring
By Thomas Kurilla Jewelry
Located in New York, NY
of Milgrain on the sides for fun. Certified 1.13 ruby from Burma. Lab report also. . Made to order
Category

2010s Contemporary Fashion Rings

Materials

Ruby, 18k Gold, Yellow Gold

18K Gold 0.23 Carat Diamond Cluster Engagement Ring
By Oshi Jewels
Located in Bangkok, TH
has 39 diamonds totaling 0.23 carats. Buy yours today. "ALL OUR ITEMS ARE ELIGIBLE FOR FREE SHIPPING
Category

21st Century and Contemporary Thai Modern Fashion Rings

Materials

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

14K Gold 0.23 Carat Diamond Cluster Engagement Ring
By Oshi Jewels
Located in Bangkok, TH
and has 39 diamonds totaling 0.23 carats. Buy yours today. "ALL OUR ITEMS ARE ELIGIBLE FOR FREE
Category

21st Century and Contemporary Thai Modern Fashion Rings

Materials

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

14k Gold 0.04 Carat Diamond Open Cuff Ring
By Oshi Jewels
Located in Bangkok, TH
Gold / White Gold (WRITE A MESSAGE FOR YOUR REQUIRED GOLD COLOR) - Width of Band:- Top 3 mm. , Bottom
Category

21st Century and Contemporary Thai Modern Fashion Rings

Materials

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

AGL Certified 13.49 Carat Minor Oil Colombian Emerald in Platinum 950
By Gad & Co.
Located in Miami, FL
: - Type: Diamond - Carat: 2.00 CTTW - Cut: Round Brilliant - Color: F-G - Clarity: VS1-VS2 - Quantity: 24
Category

2010s Colombian Art Deco Pendant Necklaces

Materials

Diamond, Emerald, Platinum

18k Gold 0.03 Carat Diamond Star Shaped Engagement Ring
By Oshi Jewels
Located in Bangkok, TH
Diamonds:- 3 Pcs. - Diamond Size:- round 1.3 mm. Diamonds:- All Diamonds are genuine, natural, conflict
Category

21st Century and Contemporary Thai Modern Fashion Rings

Materials

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

14k Gold 0.03 Carat Diamond Star Shaped Engagement Ring
By Oshi Jewels
Located in Bangkok, TH
Diamonds:- 3 Pcs. - Diamond Size:- round 1.3 mm. Diamonds:- All Diamonds are genuine, natural, conflict
Category

21st Century and Contemporary Thai Modern Fashion Rings

Materials

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

  • 1
Get Updated with New Arrivals
Save "3 Carat Round Lab", and we’ll notify you when there are new listings in this category.

3 Carat Round Lab For Sale on 1stDibs

Find the exact 3 carat round lab you’re shopping for in the variety available on 1stDibs. Frequently made of gold, yellow gold and white gold, this item was constructed with great care. You can easily find a 42 antique edition and 228 modern creations to choose from as well. Finding the perfect 3 carat round lab may mean sifting through those created during different time periods — you can find an early version that dates to the 19th Century and a newer variation that were made as recently as the 21st Century. A 3 carat round lab from Oshi Jewels, Emilio! and Capucelli — 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 oval cut cut and cushion cut cut versions available here, too. Finding a 3 carat round lab for sale for women should be easy, but there are 125 pieces available to browse for unisex as well as men, too.

How Much is a 3 Carat Round Lab?

Prices for a 3 carat round lab can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $230 and can go as high as $125,000, while this accessory, on average, fetches $2,790.