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Used Loose Diamonds

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GIA Certified 1.01 Carat Brilliant Cut Loose Diamond
Located in New York, NY
1.01 Round Brilliant Cut Loose Diamond GIA certified D/ SI2 Grade Cut : Good Polish: Very Good
Category

2010s American Used Loose Diamonds

Materials

Diamond

GIA 33.79 Carat Fancy Black Oval Shape Loose Diamond
Located in Great Neck, NY
GIA 33.79 Carat Fancy Black Oval Shape Loose Diamond Treated Color
Category

2010s American Used Loose Diamonds

Materials

Diamond, Black Diamond

GIA 33.79 Carat Fancy Black Oval Shape Loose Diamond
Located in Great Neck, NY
GIA 33.79 Carat Fancy Black Oval Shape Loose Diamond Treated Color
Category

2010s American Used Loose Diamonds

Materials

Diamond, Black Diamond

GIA 12.21 Carat Fancy Color Oval Shape Loose Diamond
Located in Great Neck, NY
GIA 12.21 Carat Fancy Color Oval Shape Loose Diamond Semi Translucent Color Brown-Orange
Category

2010s American Used Loose Diamonds

Materials

Diamond, Yellow Diamond

GIA 12.21 Carat Fancy Color Oval Shape Loose Diamond
Located in Great Neck, NY
GIA 12.21 Carat Fancy Color Oval Shape Loose Diamond Semi Translucent Color Brown-Orange
Category

2010s American Used Loose Diamonds

Materials

Diamond, Yellow Diamond

IGI Certified 0.92 Carat Round Brilliant Cut Loose Diamond
Located in New York, NY
0.92 Round Brilliant Cut Natural Loose Diamond IGI certified J / SI2 Polish: Very Good
Category

2010s American Used Loose Diamonds

Materials

Diamond

GIA 3.02 Carat Cushion Brilliant Cut Loose Diamond
Located in Beverly Hills, CA
One GIA 3.02 Carat Cushion Brilliant Cut Loose Diamond. Accompanied by GIA #5231221039 stating the
Category

Late 20th Century Used Loose Diamonds

Materials

Diamond

GIA Certified 1.01 Carat Brilliant Cut Loose Diamond D / VS1
Located in New York, NY
1.01 Round Brilliant Cut Loose Diamond GIA certified D/ VS1 Grade Cut : Very Good Polish: EX
Category

2010s American Used Loose Diamonds

Materials

Diamond

GIA Certified 2.01 Carat Loose Diamond G Color VVS2 Clarity
By Privosa Fine Jewelry
Located in Houston, TX
An incredible 2.01 ct Emerald Cut loose diamond. This diamond is gorgeous - white and bright! It is
Category

2010s Used Loose Diamonds

Materials

Diamond

GIA Certified 1.50 Carat Brilliant Cut Loose Diamond G / IF
Located in New York, NY
1.50 Carat Round Brilliant Cut Loose Diamond GIA certified G / IF Grade Cut : Very Good Polish
Category

2010s American Used Loose Diamonds

Materials

Diamond

GIA Certified 4.04 Carat Cushion Cut Loose Diamond H / VS1
Located in New York, NY
Our Gorgeous 4.04 Carat Cushion Cut Natural Loose Diamond will be the star of any unique engagement
Category

2010s American Used Loose Diamonds

Materials

Diamond

GIA Certified 2.02 Carat Oval Cut Loose Diamond E / VVS1
Located in New York, NY
Our Gorgeous 2.02 Carat Pear Shape Cut Natural Loose Diamond will be the star of any unique
Category

2010s American Used Loose Diamonds

Materials

Diamond

GIA 4.52 Carat Cushion Modified Brilliant Cut Loose Diamond
Located in Beverly Hills, CA
One GIA 4.52 Carat Cushion Modified Brilliant Cut Loose Diamond. Accompanied by GIA #2239209305
Category

20th Century Used Loose Diamonds

Materials

Diamond, White Diamond

Argyle 0.16 Carat Natural Pink Champagne Round Shape Loose Diamond
Located in Great Neck, NY
Argyle 0.16 Carat Natural Pink Champagne Round Shape Loose Diamond. Argyle with inscription on the
Category

2010s American Used Loose Diamonds

Materials

Diamond, Pink Diamond

Argyle 0.12 Carat Natural Pink Champagne Round Shape Loose Diamond
Located in Great Neck, NY
Argyle 0.12 Carat Natural Pink Champagne Round Shape Loose Diamond. Argyle with inscription on the
Category

2010s American Used Loose Diamonds

Materials

Diamond, Pink Diamond

GIA Certified 1.09 Carat Pear Shape Cut Loose Diamond E / IF
Located in New York, NY
Our Gorgeous 1.09 Carat Pear Shape Cut Natural Loose Diamond will be the star of any unique
Category

2010s American Used Loose Diamonds

Materials

Diamond

Argyle 0.12 Carat Natural Pink Champagne Round Shape Loose Diamond
Located in Great Neck, NY
Argyle 0.12 Carat Natural Pink Champagne Round Shape Loose Diamond. Argyle with inscription on the
Category

2010s American Used Loose Diamonds

Materials

Diamond, Pink Diamond

Argyle 0.16 Carat Natural Pink Champagne Round Shape Loose Diamond
Located in Great Neck, NY
Argyle 0.16 Carat Natural Pink Champagne Round Shape Loose Diamond. Argyle with inscription on the
Category

2010s American Used Loose Diamonds

Materials

Diamond, Pink Diamond

GIA Certified 1.08 Carat Emerald Cut Vivid Yellow Zimmi Loose Diamond
By Hasbani Diamonds
Located in London, GB
presented either as a loose Diamond or transformed into a personalized piece such as a pendant, ring, or
Category

2010s Sierra Leonean Modern Used Loose Diamonds

Materials

Diamond

GIA Certified 1.01 Carat Pear Shape Vivid Yellow Zimmi Loose Diamond
By Hasbani Diamonds
Located in London, GB
jewelry, offers this stunning pear shape vivid yellow diamond that can be presented either as a loose
Category

2010s Sierra Leonean Modern Used Loose Diamonds

Materials

Diamond

GIA Certified 1.26 Carat Oval Brilliant Vivid Yellow Zimmi Loose Diamond
By Hasbani Diamonds
Located in London, GB
that can be presented either as a loose Diamond or transformed into a personalized piece such as a
Category

2010s Sierra Leonean Modern Used Loose Diamonds

Materials

Diamond

GIA Certified 0.68ct Round Brilliant Loose Diamond
Located in Laguna Beach, CA
Loose round brilliant diamond, .68 carats. GIA-graded H color, VS1 clarity, symmetry is good. The
Category

Late 20th Century Used Loose Diamonds

Materials

Diamond

Round Brilliant Cut Loose Diamond 0.94 ct
Located in Laguna Beach, CA
Loose .94 carat round brilliant cut No grading certificate. Grading is done by a GIA graduate
Category

Early 20th Century Used Loose Diamonds

Materials

Diamond

GIA Certified Oval Brilliant Loose Diamond 1.48ct
Located in Laguna Beach, CA
1.48-carat oval brilliant cut diamond. GIA graded H color, Vs1 clarity. Measures 7.89 x 6.31 x
Category

Mid-20th Century Used Loose Diamonds

Materials

Diamond

1.72 L SI2 Horse Head Natural Loose Diamond
Located in New York, NY
ITEM DESCRIPTION ID #: 55814 Stone Shape: Horse Head Diamond Diamond Weight: 1.72 CT Clarity: SI2
Category

21st Century and Contemporary Used Loose Diamonds

Materials

Diamond, White Diamond

1.72 L SI2 Horse Head Natural Loose Diamond
1.72 L SI2 Horse Head Natural Loose Diamond
Free Shipping
W 0.34 in D 0.12 in L 0.33 in
Loose Diamond - Oval 2.03ct GIA H VS1 Solitaire
Located in Greensboro, NC
Stone Information Natural Diamond Carat(s): 2.03ct Cut: Oval Color: H Clarity: VS1 Certified by
Category

21st Century and Contemporary Used Loose Diamonds

Materials

Diamond

Loose Diamond - Princess .70ct GIA I SI1 Solitaire
Located in Greensboro, NC
Stone Information Natural Diamond Carat(s): .70ct Cut: Princess Color: I Clarity: SI1 Size (mm
Category

21st Century and Contemporary Used Loose Diamonds

Materials

Diamond

Loose Diamond - Princess 2.21ct GIA I I1 Solitaire
Located in Greensboro, NC
Carat(s): 2.21ct Cut: Princess Color: I Clarity: I1 Certified by: GIA Report Number: 7235115815 Condition: New
Category

21st Century and Contemporary Used Loose Diamonds

Materials

Diamond

Loose Diamond - Princess .63ct GIA E SI1 Solitaire
Located in Greensboro, NC
Carat: .63ct Cut: Princess Color: E Clarity: SI1 Certified by: GIA Report Number: 5221760139 Condition: New
Category

21st Century and Contemporary Used Loose Diamonds

Materials

Diamond

Loose Diamond - Cushion 4.01ct GIA D VS2 Solitaire
Located in Greensboro, NC
Carat: 4.01ct Cut: Cushion Color: D Clarity: VS2 Certified by: GIA Report Number: 2223271109 Condition: New We have been dealing in fine new, vintage, antique, and estate jewelry...
Category

21st Century and Contemporary Used Loose Diamonds

Materials

Diamond

Loose Diamond - Lozenge 4.51ct GIA J SI2 Solitaire
Located in Greensboro, NC
Carat: 4.51ct Cut: Lozenge Color: J Clarity: SI2 Certified by: GIA Report Number: 2225721834 Condition: New We have been dealing in fine new, vintage, antique, and estate jewelry...
Category

21st Century and Contemporary Used Loose Diamonds

Materials

Diamond

Loose Diamond - Pear .75ct GIA F SI2 Solitaire
Located in Greensboro, NC
Carat: .76ct Cut: Pear Color: F Clarity: SI2 Size (mm): 7.55 x 5.14 x 3.42 Certified by: GIA Report Number: 2221758332 Condition: New We have been dealing in fine new, vintage, an...
Category

21st Century and Contemporary Used Loose Diamonds

Materials

Diamond

Loose Diamond - Heart .63ct GIA K I1 Solitaire
Located in Greensboro, NC
Carat: .63ct Cut: Heart Color: K Clarity: I1 Certified by: GIA Report Number: 5222931626 Condition: New
Category

21st Century and Contemporary Used Loose Diamonds

Materials

Diamond

GIA Certified Round Brilliant Cut Loose Diamond 1.01 ct
Located in Laguna Beach, CA
Loose 1.01 carat round brilliant cut diamond. GIA graded G color, Si2 clarity, Very Good cut grade
Category

Mid-20th Century Used Loose Diamonds

Materials

Diamond

Loose Diamond - Round Brilliant 1.08ct GIA F VS2 Solitaire
Located in Greensboro, NC
Stone Information Natural Diamond Carat(s): 1.08ct Cut: Round Brilliant Color: F Clarity: VS2
Category

21st Century and Contemporary Used Loose Diamonds

Materials

Diamond

Loose Diamond - Round Brilliant 1.01ct GIA E VS1 Solitaire
Located in Greensboro, NC
Stone Information Natural Diamond Carat(s): 1.01ct Cut: Round Brilliant Color: E Clarity: VS1
Category

21st Century and Contemporary Used Loose Diamonds

Materials

Diamond

GIA Certified 0.93 Carat Round Brilliant Cut Loose Diamond
Located in Laguna Beach, CA
0.93ct RBC GIA i color/VVS1 Clarity, VG cut Diamond 0.93 carat round brilliant cut diamond. GIA
Category

21st Century and Contemporary Used Loose Diamonds

Materials

Diamond

Loose Diamond - Round Brilliant .90ct GIA J VS2 Solitaire
Located in Greensboro, NC
Carat: .90ct Cut: Round Brilliant Color: J Clarity: VS2 Certified by: GIA Report Number: 2206093418
Category

21st Century and Contemporary Used Loose Diamonds

Materials

Diamond

Loose Diamond - Round Brilliant .51ct GIA G VS2 Solitaire
Located in Greensboro, NC
Carat(s): 1.80ctw Cut: Oval Color: Purple Natural Diamonds Carat(s): 1.12ctw Cut: Round Brilliant Color
Category

21st Century and Contemporary Used Loose Diamonds

Materials

Diamond

Loose Diamond - Oval Cut 2.00ct GIA F VS2 Solitaire
Located in Greensboro, NC
items are carefully examined; diamonds and gemstones are graded and identified by GIA graduates. If
Category

21st Century and Contemporary Used Loose Diamonds

Materials

Diamond

Loose Diamond - Round Brilliant 1.25ct GIA D SI1 Solitaire
Located in Greensboro, NC
Carat(s): 1.25ct Cut: Round Brilliant Color: D Clarity: SI1 Certified by: GIA Report Number: 2235115677 Condition: New without Tags
Category

21st Century and Contemporary Used Loose Diamonds

Materials

Diamond

Loose Diamond - Round Brilliant .59ct GIA E SI1 Solitaire
Located in Greensboro, NC
Carat(s): .59ct Cut: Round Brilliant Color: E Clarity: SI1 Certified by: GIA Report Number: 2141445364 Condition: New
Category

21st Century and Contemporary Used Loose Diamonds

Materials

Diamond

Loose Diamond - Princess .47ct EGL USA J SI3 Solitaire
Located in Greensboro, NC
Carat: .47ct Cut: Princess Color: J Clarity: SI3 Size: (mm) 4.52 x 3.95 x 3.09 Certified by: EGL USA Report Number: US 906369503D Condition: New
Category

21st Century and Contemporary Used Loose Diamonds

Materials

Diamond

Loose Diamond - Round Brilliant 3.03ct GIA L SI1 Solitaire
Located in Greensboro, NC
Carat: 3.03ct Cut: Round Brilliant Color: L Clarity: SI1 Certified by: GIA Report Number: 1236081469 Condition: New
Category

21st Century and Contemporary Used Loose Diamonds

Materials

Diamond

Loose Diamond - Round Brilliant .33ct GIA F VS2 Solitaire
Located in Greensboro, NC
Carat: .33ct Cut: Round Brilliant Color: F Clarity: VS2 Certified by: GIA Report Number: 5234063896 Condition: New
Category

21st Century and Contemporary Used Loose Diamonds

Materials

Diamond

Loose Diamond - Round Brilliant .47ct GIA J SI1 Solitaire
Located in Greensboro, NC
Carat: .47ct Cut: Round Brilliant Color: J Clarity: SI1 Certified by: GIA Report Number: 2221881945 Condition: New
Category

21st Century and Contemporary Used Loose Diamonds

Materials

Diamond

Loose Diamond - Round Brilliant .47ct GIA F SI2 Solitaire
Located in Greensboro, NC
Carat: .47ct Cut: Round Brilliant Color: F Clarity: SI2 Certified by: GIA Report Number: 5222760123 Condition: New
Category

21st Century and Contemporary Used Loose Diamonds

Materials

Diamond

Loose Diamond - Round Brilliant .39ct GIA F SI1 Solitaire
Located in Greensboro, NC
Carat: .39ct Cut: Round Brilliant Color: F Clarity: SI1 Certified by: GIA Report Number: 6227931192 Condition: New
Category

21st Century and Contemporary Used Loose Diamonds

Materials

Diamond

Loose Diamond - Round Brilliant .40ct GIA H VS1 Solitaire
Located in Greensboro, NC
Carat: .40ct Cut: Round Brilliant Color: H Clarity: VS1 Certified by: GIA Report Number: 2235063883 Condition: New
Category

21st Century and Contemporary Used Loose Diamonds

Materials

Diamond

Loose Diamond - Round Brilliant .30ct GIA F VVS1 Solitaire
Located in Greensboro, NC
Carat: .30ct Cut: Round Brilliant Color: F Clarity: VVS1 Certified by: GIA Report Number: 5231063895 Condition: New
Category

21st Century and Contemporary Used Loose Diamonds

Materials

Diamond

Loose Diamond - Round Brilliant .73ct GIA K VS2 Solitaire
Located in Greensboro, NC
Carat: .73ct Cut: Round Brilliant Color: K Clarity: VS2 Certified by: GIA Report Number: 1226881942 Condition: New
Category

21st Century and Contemporary Used Loose Diamonds

Materials

Diamond

Loose Diamond - Princess Cut 5.08ct GIA L VS2 Solitaire
Located in Greensboro, NC
Carat: 5.08ct Cut: Princess Color: L Clarity: VS2 Certified by: GIA Report Number: 2225814382 Condition: New We have been dealing in fine new, vintage, antique, and estate jewelry...
Category

21st Century and Contemporary Used Loose Diamonds

Materials

Diamond

Loose Diamond - Round Brilliant .60ct GIA D SI1 Solitaire
Located in Greensboro, NC
Carat: .60ct Cut: Round Brilliant Color: D Clarity: SI1 Size (mm): 5.43 - 5.48 x 3.33 Certified by: GIA Report Number: 5221657999 Condition: New without Tags We have been dealing ...
Category

21st Century and Contemporary Used Loose Diamonds

Materials

Diamond

Rare 1.06 Carat G SI2 Horse Head Natural Loose Diamond
Located in New York, NY
ITEM DESCRIPTION ID #: 55303 Stone Shape: Horse Head Diamond Weight: 1.06CT Clarity: SI2 Color: G
Category

21st Century and Contemporary Used Loose Diamonds

Materials

Diamond, White Diamond

Rare 1.06 Carat G SI2 Horse Head Natural Loose Diamond
Rare 1.06 Carat G SI2 Horse Head Natural Loose Diamond
Free Shipping
W 0.28 in D 0.11 in L 0.29 in
Loose Diamond - Round Brilliant Cut 2.03ct GIA G VS1 Solitaire
Located in Greensboro, NC
; diamonds and gemstones are graded and identified by GIA graduates. If there is a specific piece you are
Category

21st Century and Contemporary Used Loose Diamonds

Materials

Diamond

Loose Diamond - Round Brilliant Cut .37ct GIA J SI2 Solitaire
Located in Greensboro, NC
carefully examined; diamonds and gemstones are graded and identified by GIA graduates. If there is a
Category

21st Century and Contemporary Used Loose Diamonds

Materials

Diamond

Loose Diamond - Round Brilliant Cut .46ct GIA J VVSI Solitaire
Located in Greensboro, NC
contact us. All items are carefully examined; diamonds and gemstones are graded and identified by GIA
Category

21st Century and Contemporary Used Loose Diamonds

Materials

Diamond

Loose Diamond - Round Brilliant Cut .45ct GIA G VS1 Solitaire
Located in Greensboro, NC
carefully examined; diamonds and gemstones are graded and identified by GIA graduates. If there is a
Category

21st Century and Contemporary Used Loose Diamonds

Materials

Diamond

Loose Diamond - Round Brilliant Cut 2.80ct GIA D VS1 Solitaire
Located in Greensboro, NC
contact us. All items are carefully examined; diamonds and gemstones are graded and identified by GIA
Category

21st Century and Contemporary Used Loose Diamonds

Materials

Diamond

Loose Diamond - Round Brilliant Cut .50ct GIA E SI2 Solitaire
Located in Greensboro, NC
contact us. All items are carefully examined; diamonds and gemstones are graded and identified by GIA
Category

21st Century and Contemporary Used Loose Diamonds

Materials

Diamond

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Used Loose Diamonds For Sale on 1stDibs

Find an expansive variety of used loose diamonds available on 1stDibs. These distinct designs — crafted with great care and often made from Gold, 18k Gold and Platinum — can elevate any look. Our collection of these items for sale includes 49 vintage editions and 176 modern creations to choose from as well. Our inventory is broad and distinctive, with accessories on offer that were made as long ago as the 18th Century to those produced as recently as the 21st Century. Our collection of used loose diamonds includes designs that are universally popular, but Modern and Contemporary styles, specifically, are sought with frequency. Versions of these items have been a part of the life’s work for many jewelers, but those produced by TJD, Harakh and Antinori Fine Jewels are consistently popular. Today, if you’re looking for round cut used loose diamonds and are unable to find the perfect match, our selection also includes oval cut and pear cut alternatives. Most of our used loose diamonds for sale are for women, but there are 187 pieces available to browse for men.

How Much are Used Loose Diamonds?

On average, used loose diamonds at 1stDibs sell for $5,000, while they’re typically $32 on the low end and $1,800,000 for the highest priced versions of this item.
Questions About Used Loose Diamonds
  • 1stDibs ExpertDecember 12, 2023
    Whether Cartier will set a loose diamond depends on the circumstances. If you purchased a piece of Cartier diamond jewelry and the stone has come loose, contact customer service for assistance with repairs. Cartier will usually not place a loose diamond that you purchased elsewhere in one of their settings. Find a wide range of Cartier diamond jewelry on 1stDibs.
  • 1stDibs ExpertFebruary 22, 2021
    Rolex uses only the highest quality diamonds in their watches and compares these stones against certified master stones. They are the most colorless, so in ranges D to G.
  • 1stDibs ExpertFebruary 13, 2023
    Cartier exclusively uses diamonds from classes D through H to ensure that the gemstones are colorless and have little or no fluorescence. Their high standards contribute to the quality of the luxury jewelry maker's pieces. Shop a collection of Cartier diamonds from some of the world’s top jewelers on 1stDibs.
  • 1stDibs ExpertOctober 12, 2021
    Rolex only employs the greatest melee diamonds. Only diamonds with a clarity of at least IF and color between D and G are used in their products. On 1stDibs, find a variety of bejeweled Rolex watches today.
  • 1stDibs ExpertJune 15, 2023
    No, Breitling doesn’t use natural diamonds in their watches as of the fall of 2022. At that time, the luxury watchmaker switched from gemstones sourced from nature to artisanal laboratory-made diamonds. On 1stDibs, find a selection of Breitling watches from some of the world’s top sellers.
  • 1stDibs ExpertMarch 22, 2022
    Yes, Omega uses real diamonds in its watch designs. Modern timepieces feature Top Wesselton diamonds. The brand only chooses ones with VVS ratings to ensure clarity. On 1stDibs, you can shop a selection of Omega watches from some of the world’s top sellers.
  • 1stDibs ExpertFebruary 22, 2021
    Rolex uses only the highest quality melee diamonds with between D and G in color and IF in clarity. Every diamond is tested individually to make sure it is real.
  • 1stDibs ExpertApril 5, 2022
    Rolex uses some of the highest quality diamonds available. The diamonds used in its products must rank IF or above in clarity and between D-G in coloring. Shop a range of authentic Rolex timepieces from the world’s top boutiques on 1stDibs.
  • 1stDibs ExpertNovember 8, 2023
    Yes, Cartier uses real diamonds for its jewelry. Only the finest quality diamonds with little or no fluorescence are chosen for the French luxury brand's rings, necklaces, earrings and bracelets. The majority of Cartier diamonds also come from Responsible Jewellery Council (RJC)-certified sources, attesting to the fact that they were sustainably acquired. On 1stDibs, shop a collection of Cartier jewelry.
  • 1stDibs ExpertMarch 22, 2022
    Roberto Coin uses genuine conflict-free diamonds of various grades in the brand's jewelry. Most pieces feature 18-karat yellow, white or rose gold, and many include precious gemstones. As a sign of authenticity, the brand adds a small genuine ruby to each piece. Find a range of Roberto Coin jewelry on 1stDibs.
  • 1stDibs ExpertApril 26, 2024
    Yes, David Yurman uses real diamonds. The American jewelry maker carefully selects only genuine diamonds that meet its exceptionally high standards for clarity, color and cut. David Yurman only sources diamonds using the Kimberley Process to ensure that its gemstones are conflict-free. Shop a collection of David Yurman diamond jewelry on 1stDibs.
  • 1stDibs ExpertApril 5, 2022
    Yes, Cartier does indeed use real diamonds for its rings. Cartier chooses only gems with little or no fluorescence, and sources most of its diamonds from RJC-certified companies. Shop a collection of expertly vetted Cartier jewelry from some of the world’s top sellers on 1stDibs.
  • 1stDibs ExpertApril 5, 2022
    Yes, Judith Ripka does indeed use real diamonds. The luxury jewelry brand currently uses mined diamonds for its designs, but will slowly shift to lab-created or cultured diamonds for its pieces in the future. Shop a collection of Judith Ripka jewelry from some of the world’s top sellers on 1stDibs.
  • 1stDibs ExpertApril 5, 2022
    Yes, Roberto Coin uses real diamonds. Roberto Coin is committed to using fair-trade diamonds and has a zero-tolerance policy towards the use of conflict diamonds. All Roberto Coin diamonds are certified by the Kimberley Process Certification Scheme (KPCS) as coming from legitimate sources. Shop a collection of Roberto Coin diamond jewelry on 1stDibs.