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Diamond Loose Gemstones

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Gemstone: Diamond
GIA certified Exquisite 1.01ct Pear-Cut Natural Diamond SI2 M
Located in New York, NY
Discover the enchanting beauty of this pear-shaped diamond, meticulously crafted with a multitude of facets that catch and reflect light, creating a stunning sparkle. The diamond fea...
Category

Early 17th Century Antique Diamond Loose Gemstones

Materials

Diamond

GIA Certified 1.00 Carat Fancy Blue VVS1 Clarity Diamond
Located in บางรัก, TH
Certificate: GIA Report Number: 6204380195 Shape And Cut: Round Carat Weight: 1.00 carat Measurements: 6.21 x 6.18 x 4.04 mm Color Grade: Fancy Blue FEATURES OF THE DIAMOND: This ...
Category

2010s Asian Diamond Loose Gemstones

Materials

Diamond

0.75 CARAT MARQUISE BRILLIANT GIA CERTIFIED U to v RANGE SI2 CLARITY DIAMOND
Located in New York, NY
ITEM DESCRIPTION ID #: NYC56890 Stone Shape: MARQUISE BRILLIANT Diamond Weight: 0.75ct Clarity: SI2 Color: U to V Range Cut: Excellent Measurements: 8.26 x 4.73 x 3.25 mm Depth %: 68...
Category

15th Century and Earlier Antique Diamond Loose Gemstones

Materials

White Diamond

LFG Certified 3.78 K/VS1 Antique Old European Round Brilliant Cut Diamond
Located in Paris, FR
This Antique Old European Round Brilliant cut Diamond weights 3.78 carats with a K color (Beautiful white face up) and VS1 Clarity (Loupe Clean). The high quality of its cut let the ...
Category

1910s Unknown Belle Époque Vintage Diamond Loose Gemstones

Materials

Diamond

Gia Certified 1.46 Carat Pear Brilliant I I2 Natural Diamond
Located in New York, NY
ITEM DESCRIPTION ID #: NY56228 Stone Shape: PEAR BRILLIANT Diamond Weight: 1.46ct Clarity: I2 Color: I Cut: Excellent Measurements: 9.69 x 6.42 x 3.98 mm Depth %: 62.1% Table %: 61%...
Category

21st Century and Contemporary Diamond Loose Gemstones

Materials

Diamond, White Diamond

Rare 1.01 Carat Fancy Vivid Orangy Yellow Diamond Cushion Modified Brilliant GIA
Located in Hoffman Estate, IL
This rare 1.01 carat Fancy Vivid Orangy Yellow diamond is defined by exceptional saturation, natural origin, and a refined cushion-modified brilliant cut. The color displays a lumin...
Category

21st Century and Contemporary American Modern Diamond Loose Gemstones

Materials

Diamond, Yellow Diamond

GIA Certified 18.0+ Carat Emerald Cut Diamond
Located in New York, NY
Gorgeous Emerald Cut Diamond over 18 Carats (please inquire about exact weight) GIA Certified as I color and VS2 clarity. Please inquire for stones in any shape, size and quality.
Category

2010s Diamond Loose Gemstones

Materials

Diamond

0.16CT IGI Certified Round Brilliant
Located in kOWLOON, HK
Natural Diamond graded by IGI. Shape: Round Brilliant Weight: 0.16 CT Color: D Clarity: VVS2 Cut: Excellent Polish: Excellent Symmetry: Excellent Fluorescence: None Laser inscriptio...
Category

2010s Botswanan Modern Diamond Loose Gemstones

Materials

Diamond

Natural Loose 1.40 Carat Fancy Brown VS2 Penis Cut Diamond
Located in New York, NY
ITEM DESCRIPTION ID #: 56700 Stone Shape: Penis Cut Diamond Diamond Weight: 1.40 CT Clarity: VS2 Color: Fancy Brown Measurements 10.00 x 6.00 x 4.57 mm Our Price: $8160.00 Appraisal Price: $12240.00 A free online diamond appraisal...
Category

21st Century and Contemporary Diamond Loose Gemstones

Materials

Diamond, White Diamond, Brown Diamond

GIA Certified 1.01 Carat Old European Cut Natural Diamond
Located in New York, NY
ITEM DESCRIPTION Stone Shape: Old European Diamond Weight: 1.01 Carat  Color: H Measurements: 6.51 x 6.53 x 3.45 mm Symmetry: Very Good Polish: Excellent Fluorescence: Medium Blue ...
Category

21st Century and Contemporary Modern Diamond Loose Gemstones

Materials

Diamond

0.23CT IGI Certified Round Brilliant
Located in kOWLOON, HK
Natural Diamond graded by IGI. Shape: Round Brilliant Weight: 0.23 CT Color: D Clarity: VVS2 Cut: Very Good Polish: Very Good Symmetry: Excellent Fluorescence: None Laser inscriptio...
Category

2010s Botswanan Modern Diamond Loose Gemstones

Materials

Diamond

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

2010s American Diamond Loose Gemstones

Materials

Diamond, Yellow Diamond

5.02 Carat Antique Emerald Cut Diamond – GIA Certified N-VVS2
Located in Ramat Gan, IL
A truly distinguished gem, this 5.02-carat Antique Emerald Cut Diamond offers a rare combination of substantial size, exceptional clarity, and timeless character. GIA certified, it i...
Category

21st Century and Contemporary North American Art Deco Diamond Loose Gemstones

Materials

Diamond

GIA Certified 6.82 Carat, G Color, VS1 Clarity, Round Brilliant Loose Diamond
Located in Miami, FL
GIA Certified 6.82 Carat, G Color, VS1 Clarity, Round Brilliant Cut Loose Natural Diamond. Untreated. Certificate: GIA Report #2145380490. Item Details: - Item Type: Loose Diamond ...
Category

21st Century and Contemporary Diamond Loose Gemstones

Materials

Diamond, White Diamond

GIA-Certified Old European Brilliant Cut Natural Diamond
Located in Palm Desert, CA
This exceptional 2.46ct loose natural diamond showcases a stunning Old European Brilliant cut and comes certified with GIA report number 2233774142, issued on November 13, 2025. With...
Category

Late 19th Century Unknown Late Victorian Antique Diamond Loose Gemstones

Materials

Diamond

Natural 18.10 Carat Mix Fancy Pink Yellow Green Orange Gray Purple Diamond Set
Located in Houston, TX
One parcel containing... In new condition. 166 Loose Diamonds Shapes: Oval, Cushion, Radiant, Pear shape, Princess, Heart Shape Color Grade: Fancy Intense, Fancy Deep, Fancy, Fancy ...
Category

21st Century and Contemporary Unknown Diamond Loose Gemstones

Materials

Diamond

6.08 Carat Non-Certified Natural Diamond Rose Cut U-Z Color For Top Fine Jewelry
Located in Jaipur, RJ
6.08 Carat Non-Certified Natural Diamond Rose Cut U-Z Color For Top Fine Jewelry Weight : 6.08 Carats Color : U-Z Clarity : SI Quantity : 6 Piece Cut : Rose Cut Size : 6.5x7 To 8...
Category

21st Century and Contemporary Indian Contemporary Diamond Loose Gemstones

Materials

Diamond

0.23CT IGI Certified Round Brilliant
Located in kOWLOON, HK
Natural Diamond graded by IGI. Shape: Round Brilliant Weight: 0.23CT Color: D Clarity: VS1 Cut: Very Good Polish: Excellent Symmetry: Excellent Fluorescence: None Inscription : IGI ...
Category

2010s Botswanan Modern Diamond Loose Gemstones

Materials

Diamond

0.28CT IGI Certified Round Brilliant
Located in kOWLOON, HK
Natural Diamond graded by IGI. Shape: Round Brilliant Weight: 0.28 CT Color: D Clarity: VS1 Cut: Excellent Polish: Excellent Symmetry: Excellent Fluorescence: Very Slight Laser insc...
Category

2010s Botswanan Modern Diamond Loose Gemstones

Materials

Diamond

0.17CT IGI Certified Round Brilliant
Located in kOWLOON, HK
Natural Diamond graded by IGI. Shape: Round Brilliant Weight: 0.17 CT Color: D Clarity: VVS2 Cut: Very Good Polish: Very Good Symmetry: Excellent Fluorescence: None Laser inscriptio...
Category

2010s Botswanan Modern Diamond Loose Gemstones

Materials

Diamond

1.00 Carat Pear Brilliant Gia Certified Fancy Deep Brownish Greenish Yellow Si2
Located in New York, NY
ITEM DESCRIPTION ID #: NYC56775 Stone Shape: PEAR MODIFIED BRILLIANT Diamond Weight: 1.00ct Clarity: SI2 Color: Fancy Deep Brownish Greenish Yellow Cut: Excellent Measurements: 8.25 ...
Category

15th Century and Earlier Antique Diamond Loose Gemstones

Materials

Yellow Diamond

230.25 Carat Carbonado Black Diamond
Located in New York, NY
Presenting a once-in-a-lifetime opportunity: This monumental 230.25 carat carbonado diamond is the largest natural black diamond available on the market. Known for their extraordinary rarity and captivating origin, carbonado diamonds are believed by many in the scientific community to have formed in space and arrived on Earth via ancient meteorite impacts – making them not just gemstones, but celestial relics. This uncut, museum-grade carbonado black diamond...
Category

2010s Canadian Diamond Loose Gemstones

Materials

Black Diamond

Huge Loose GIA certified heart brilliant diamond 4.57ct
Located in Boca Raton, FL
GIA certified diamond, stunning heart brilliant 4.57 carats! Natural Diamond: Color: Fancy Yellow Cut: Heart Brilliant Carat: 4.57ct Clarity: SI1 Item: T42000 Certificate of authent...
Category

21st Century and Contemporary Diamond Loose Gemstones

Materials

Diamond

91.40 Carat Natural Rough Black Diamond Cube
Located in New York, NY
This very lustrous, large rough black diamond mined in Canada weighs 91.40 carats and has crystallized in a natural cube shape. Black diamonds owe their opaque color to natural impur...
Category

2010s Canadian Diamond Loose Gemstones

Materials

Black Diamond

GIA Certified 1.16 Carat Fancy Pink Purple VS1 Clarity Diamond
Located in บางรัก, TH
Certificate: GIA Report Number: 5146792163 Shape And Cut: Cushion Carat Weight: 1.16 carat Measurements: 5.76 x 5.49 x 3.98 mm Color Grade: Fancy Pink Purple FEATURES OF THE DIAMON...
Category

2010s Asian Diamond Loose Gemstones

Materials

Diamond

CLOSE OUT GIA 1.33 Carat Emerald Cut Fancy Yellow Brown Loose Diamond
Located in Great Neck Plaza, NY
GIA 1.33 Carats Natural Fancy Yellow-Brown Emerald Cut Loose Diamond *Free shipping within the U.S.*
Category

2010s American Diamond Loose Gemstones

Materials

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

251.76 Carat Rough Black Diamond
Located in New York, NY
This lustrous, huge rough black diamond mined in Canada weighs 251.76 carats. Black diamonds owe their opaque color to natural impurities in the crystal lattice and make beautiful co...
Category

2010s Canadian Diamond Loose Gemstones

Materials

Black Diamond

GIA Certified 2.68 Carat Round Cut H Color SI1 Clarity Loose Diamond
Located in Miami, FL
GIA Certified 2.68 carat round brilliant cut natural diamond in H color and SI1 clarity with excellent cut, excellent polish, and very good symmetry. Loose stone with no fluorescence...
Category

21st Century and Contemporary Modern Diamond Loose Gemstones

Materials

Diamond

GIA Certified 5.00 Carat D color Internally Flawless Diamond
Located in New Delhi, Delhi
An exquisite rare GIA certified Natural Diamond, in perfect emerald cut , D color , Flawless clarity, very sparkly . Investment diamond’s. Complete with GIA report . NB: Available ...
Category

21st Century and Contemporary Diamond Loose Gemstones

Materials

Diamond

GIA Certified Fancy Light Pink 0.15ct Cushion Natural Diamond
Located in New York, NY
ITEM DESCRIPTION ID #: NYC58597 Stone Shape: Cushion Diamond Weight: 0.15ctw Fancy Color: Fancy Light Pink Cut: Modified Brilliant Measurements: 3.43 x 3.02 x 1.88 mm Symmetry: Good...
Category

21st Century and Contemporary Diamond Loose Gemstones

Materials

Pink Diamond

71.19 Carat Rough Black Diamond
Located in New York, NY
This lustrous rough black diamond mined in Canada weighs a hefty 71.19 carats. Black diamonds owe their opaque color to natural impurities in the crystal lattice and make beautiful c...
Category

2010s Canadian Diamond Loose Gemstones

Materials

Black Diamond

Dazzling 1.74ct Triple Excellent Ideal Cut Round-Shaped Diamond - GIA Certified
Located in רמת גן, IL
Dazzling 1.74ct Triple Excellent Ideal Cut Round-Shaped Diamond - GIA Certified This extraordinary 1.74ct round brilliant diamond is a true showpiece, boasting the triple excellent ...
Category

2010s Israeli Diamond Loose Gemstones

Materials

Diamond

Radiant 6.13ct Pear-Shaped Natural Diamond - IGI Certified
Located in רמת גן, IL
Radiant 6.13ct Pear-Shaped Natural Diamond - IGI Certified Experience unparalleled brilliance with this remarkable 6.13-carat pear-shaped diamond, a testament to sophistication and ...
Category

2010s Israeli Diamond Loose Gemstones

Materials

Diamond

86.22 Carat Rough Black Diamond
Located in New York, NY
This extremely lustrous and large rough black diamond mined in Canada weighs 86.22 carats. Black diamonds owe their opaque color to natural impurities in the crystal lattice and make...
Category

2010s Canadian Diamond Loose Gemstones

Materials

Black Diamond

Timeless 10.17ct Triple Excellent Ideal Cut Round Diamond - IGI Certified
Located in רמת גן, IL
Timeless 10.17ct Triple Excellent Ideal Cut Round Diamond - IGI Certified Experience unparalleled brilliance with this extraordinary 10.17-carat round diamond. Showcasing a triple e...
Category

2010s Israeli Diamond Loose Gemstones

Materials

Diamond

Plat /18kt Yellow Gold Diamond .45ct. Moon Pendant
Located in New York, NY
Thia 18 karat yellow gold pendant is crafted in a sand blasted finish. The pendant is designed with a texture to give the feel of the moon's craters. A platinum crescent set with 0.4...
Category

1980s American Retro Vintage Diamond Loose Gemstones

Materials

Diamond, 18k Gold, Yellow Gold, Platinum

GIA Certified Fancy Deep Orangy Pink Diamond – Near Red Diamond 0.10ct
Located in Portland, OR
This extraordinary diamond is GIA certified as a 0.10 carat Fancy Deep Orangy Pink, natural origin, with even color distribution (GIA Report #6234225124). Its rich saturation and str...
Category

Early 2000s South African Diamond Loose Gemstones

Materials

Pink Diamond

GIA Certified 0.21 Carat Fancy Intense Purplish Pink Diamond
Located in บางรัก, TH
Certificate: GIA Report Number: 6127870903 Shape And Cut: Round Carat Weight: 0.21 carat Measurements: 3.51 x 3.55 x 2.48 mm Color Grade: Fancy Intense Purplish Pink FEATURES OF TH...
Category

2010s Asian Diamond Loose Gemstones

Materials

Diamond

GIA Certified Old-Mine Cut Loose Diamond 1.08ct
Located in Laguna Beach, CA
1.08 carat old-mine cut diamond. GIA graded E color, VS1 clarity. GIA grading report number is 1236538153. Comes with a full certificate.
Category

Late 20th Century Diamond Loose Gemstones

Materials

Diamond

1.02 Carat Pear Brilliant Gia Certified L Color Vs2 Clarity Diamond
Located in New York, NY
ITEM DESCRIPTION ID #: NYC56925 Stone Shape: PEAR MODIFIED BRILLIANT Diamond Weight: 1.02ct Clarity: VS2 Color: L Cut: Excellent Measurements: 8.32 x 6.24 x 2.40 mm Depth %: 38.5% Ta...
Category

15th Century and Earlier Antique Diamond Loose Gemstones

Materials

White Diamond

GIA 1.08 Carat Natural Fancy Dark Brown Cushion Loose Diamond
Located in Great Neck Plaza, NY
GIA Natural fancy dark brown cushion diamond weighing 1.08 carats. Measures 5.55 x 4.99 x 4.30 mm *Free shipping within the U.S.*
Category

2010s American Diamond Loose Gemstones

Materials

Diamond, Brown Diamond, 14k Gold, White Gold

2 Carat GIA Certified Fancy Deep Brown-Pink VS2 Pear Shape Diamond
Located in New York, NY
2.22 Carat Fancy Deep Brown-Pink Pear Shape Diamond VS2 Clarity Very Good, Good Cutting No Fluorescence No fluorescence GIA Certified Diamond At Rare Colors, you can experience th...
Category

2010s Diamond Loose Gemstones

Materials

Pink Diamond, Diamond

42.82 Carat Old European Diamond Layout – GIA Certified
Located in Ramat Gan, IL
Exceptional 42.82 Carat Old European Diamond Layout – GIA Certified An extraordinary collection of 19 Old European cut diamonds, totaling an impressive 42.82 carats. This meticulous...
Category

Early 20th Century European Diamond Loose Gemstones

Materials

Diamond

GIA Certified 0.42 Carat Fancy Intense Purplish Pink I2 Clarity Diamond
Located in บางรัก, TH
Certificate: GIA Report Number: 2206513118 Shape And Cut: Radiant Carat Weight: 0.42 carat Measurements: 4.19 x 3.80 x 2.75 mm Color Grade: Fancy Intense Purplish Pink FEATURES OF...
Category

2010s Asian Diamond Loose Gemstones

Materials

Diamond

Briolette Natural Diamond, GIA Certified 3.81ct, Fancy Brown Loose Gemstone
Located in Ramat Gan, IL
Discover this exquisite unique 3.81 carat natural Briolette Cut diamond, GIA Certified ( GIA no. 2231658907 ) for authenticity and quality. Showcasing a warm Fancy Brown hue with go...
Category

2010s Diamond Loose Gemstones

Materials

Diamond

1.28 Carat Rectangular Brilliant GIA Certified Fancy Yellow VS2 Clarity Diamond
Located in New York, NY
ITEM DESCRIPTION ID #: NYC55743 Stone Shape: CUT-CORENRED RECTANGULAR MODIFIED BRILLIANT Diamond Weight: 1.28ct Clarity: VS2 Color: Fancy Yellow Cut: Excellent Measurements: 6.26 x ...
Category

21st Century and Contemporary Diamond Loose Gemstones

Materials

Diamond

64.92 Carat Rough Black Diamond
Located in New York, NY
This lustrous, large rough black diamond mined in Canada weighs 64.92 carats. Black diamonds owe their opaque color to natural impurities in the crystal lattice and make beautiful co...
Category

2010s Canadian Diamond Loose Gemstones

Materials

Black Diamond

GIA Certified 0.62 Carat Fancy Brownish Orangy Pink Oval natural Diamond
Located in Ramat Gan, IL
Offered is a rare GIA certified natural colored diamond weighing 0.62 carats, beautifully cut as Oval modified brilliant cut. This elegant gemstone displays a captivating Fancy Brown...
Category

2010s Diamond Loose Gemstones

Materials

Diamond

GIA Certified 1.99 Carats Natural Diamond D / IF Triple XXX
Located in New Delhi, Delhi
An exceptional rare GIA Certified Natural Diamond of 1,99 carats, in perfect round brilliant cut , triple XXX , D color IF clarity, excellent quality, so sp...
Category

21st Century and Contemporary Diamond Loose Gemstones

Materials

Diamond

1.95-Carat Antique Emerald-Cut Fancy Deep Brown-Orange Diamond (GIA Certified)
Located in Ramat Gan, IL
This exquisite 1.95-carat antique emerald-cut diamond is a rare treasure of extraordinary depth and allure. Certified by the GIA as Fancy Deep Brown-Orange with SI1 clarity, it radia...
Category

20th Century Israeli Art Deco Diamond Loose Gemstones

Materials

Diamond, Emerald

Alexander Beverly Hills GIA 5.00ct Oval Diamond I VVS1
Located in BEVERLY HILLS, CA
Stunning loose oval cut diamond, GIA certified. Sold as loose diamond but can easily be made into a ring of your liking. Crafted by some of the most prestigious bench jewelers in Los...
Category

21st Century and Contemporary Contemporary Diamond Loose Gemstones

Materials

Diamond, White Diamond

GIA Certified 0.60 Carat D Colour IF Clarity Diamond
Located in บางรัก, TH
Certificate: GIA Report Number: 2514347792 Shape And Cut: Round Carat Weight: 0.60 carat Measurements: 5.35 x 5.38 x 3.35 mm Color Grade: D Colour FEATURES OF THE DIAMOND: This D...
Category

2010s Asian Diamond Loose Gemstones

Materials

Diamond

HRD Certified 1.01ct Princess-Cut Natural Diamond
Located in Esch sur Alzette, Esch-sur-Alzette
The HRD Certified 1.01ct Princess-Cut Diamond is a stunning gemstone of exceptional quality and brilliance. Certified by the prestigious HRD (Hoge Raad voor Diamant) institute, this ...
Category

21st Century and Contemporary Diamond Loose Gemstones

Materials

Diamond

GIA Certified 0.60 Carat U - V Colour SI2 Clarity Diamond
Located in บางรัก, TH
Certificate: GIA Report Number: 2436915661 Shape And Cut: Cushion Carat Weight: 0.60 carat Measurements: 5.03 x 4.41 x 3.07 mm Color Grade: U - V Colour FEATURES OF THE DIAMOND: T...
Category

2010s Asian Diamond Loose Gemstones

Materials

Diamond

GIA Certified 4 Carat, D Color, VS2 Clarity, Round Brilliant Cut Loose Diamond
Located in Miami, FL
GIA Certified 4.00 Carat, D Color, VS2 Clarity, Round Brilliant Cut Loose Natural Diamond. Untreated. Certificate: GIA Report #5141637401. Item Details: - Item Type: Loose Diamond ...
Category

21st Century and Contemporary Diamond Loose Gemstones

Materials

Diamond, White Diamond

1 pc. Shimmering 4.01 Carat Emerald Cut Natural Diamond
Located in רמת גן, IL
This stunning diamond is sure to turn heads. It features a sparkling 4.01 carat emerald cut diamond with a D color, Flawless clarity, and VG cut grade. The diamond comes with a GIA c...
Category

2010s Israeli Diamond Loose Gemstones

Materials

Diamond

GIA Certified 7.00 Carats Natural Diamond
Located in New Delhi, Delhi
A rare big GIA certified Natural Diamond , in perfect cushion cut , of 7,00 carats, I color VS2 clarity, very sparkly, bright, a very exceptional piece . Complete with GIA certificat...
Category

21st Century and Contemporary Diamond Loose Gemstones

Materials

Diamond

GIA Certified 2.64 Fancy Light Pink Radiant Cut Diamond
Located in Ramat Gan, IL
Indulge in the epitome of luxury with this breathtaking GIA Certified 2.64-carat Fancy Light Pink Radiant Cut Diamond. A masterpiece of nature, this diamond radiates a soft, romantic...
Category

21st Century and Contemporary American Modern Diamond Loose Gemstones

Materials

Diamond, Pink Diamond

Sparkling 1.01ct Ideal Cut Emerald-Cut Diamond - GIA Certified
Located in רמת גן, IL
Sparkling 1.01ct Ideal Cut Emerald-Cut Diamond - GIA Certified Discover the epitome of clarity and color with this exquisite 1.01-carat emerald cut diamond. Certified by the GIA, th...
Category

2010s Israeli Diamond Loose Gemstones

Materials

Diamond

3.31 Carat Elongated Emerald Cut Diamond – O-P Color, VS1 Clarity
Located in Ramat Gan, IL
Presenting a truly captivating 3.31 carat emerald cut diamond, showcasing an elongated silhouette that exudes timeless elegance. This exceptional stone features an O-P color grade, i...
Category

21st Century and Contemporary Diamond Loose Gemstones

Materials

Diamond, Emerald