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American Loose Gemstones

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Place of Origin: American
GIA 0.15 Carat Natural Fancy Deep Orange Brown Pear Shape Loose Diamond
Located in Great Neck, NY
GIA natural fancy deep orange brown pear shape diamond weighing 0.15 carats.
Category

2010s American Loose Gemstones

Materials

Diamond, Brown Diamond

GIA Certified 2.27 Cts Incredibly Rare Pink-Orange Rhodochrosite Colorado Mine
Located in บางรัก, TH
Rhodochrosite from Colorado mines is renowned for its vibrant pink to red hues and distinct banding patterns. Mined primarily in the Sweet Home Mine near Alma, Colorado, it's prized ...
Category

21st Century and Contemporary American Loose Gemstones

Materials

Rhodocrosite

1.59 Carat Grey Spinel Gemstone Heart Shape 8 x 7mm Loose Gemstone
Located in Columbus, OH
Presenting a 1.59 carat Grey Spinel gemstone! This gemstone's brilliance and clarity makes it a versatile choice for various jewelry designs, offering a modern and elegant twist to t...
Category

2010s American Loose Gemstones

Materials

Spinel

0.94 Carat Australian Boulder Opal Loose Gemstone Trillion 7x6.5mm
Located in Columbus, OH
Presenting a 0.94 carat australian boulder opal loose gemstone! Specifications Stone: Boulder Opal Shape: Trillion Treatment: None Hardness: 5.5-6.5 Cut: Cabochon Origin: Australi...
Category

2010s American Loose Gemstones

Materials

Opal

0.59 Carat Imperial Topaz Gemstone Pear shape 10x4mm Loose Gemstone
Located in Columbus, OH
Presenting a 0.59 carat Imperial Topaz gemstone! A valuable addition to to any collection or jewelry peice! Specifications Stone: Imperial Topaz Shape: Pear Treatment: Heated Hardne...
Category

2010s American Loose Gemstones

Materials

Topaz, Imperial Topaz

GIA 10.07 Carat Natural Yellow Cushion Shape Diamond
Located in Great Neck, NY
GIA fancy yellow cushion shape diamond weighing 10.07 carats. Treated Clarity
Category

2010s American Loose Gemstones

Materials

Diamond, Yellow Diamond, 14k Gold, White Gold

2.56 TCW Oval Ruby Burma No Heat
Located in New York, NY
ITEM DESCRIPTION ID #: NYC57872 Stone Shape: Oval Diamond Weight: 2.56 Carat Measurements: 9.01 x 6.93 x 4.64 mm Appraisal Value: $7000 Our Price: $3500 A free online appraisal i...
Category

21st Century and Contemporary Modern American Loose Gemstones

Materials

Ruby

7.33 Carat Ethiopian Opal Gemstone Oval 17x12.5mm Loose Gemstone
Located in Columbus, OH
Presenting a 7.33 carat ethiopian opal loose gemstone. Nothing beats this gem’s play-of-color! This gemstone is ideal for creating elegant and enchanting jewelry pieces! Specificat...
Category

2010s Art Deco American Loose Gemstones

Materials

Opal

Elongated 2.32 Carat Brazilian Opal Loose Gemstone Oval 13x7mm
Located in Columbus, OH
Presenting a 2.32 carat oval brazilian opal gemstone! Nothing beats this gem’s play-of-color! This gemstone is ideal for creating elegant and enchanting jewelry pieces! Specificati...
Category

2010s Modern American Loose Gemstones

Materials

Opal

1.01 Carat Brazilian Opal Loose Gemstone Marquise 13x5mm
Located in Columbus, OH
Presenting a 1.01 carat marquise shape brazilian opal gemstone! Nothing beats this gem’s play-of-color! This gemstone is ideal for creating elegant and enchanting jewelry pieces! S...
Category

2010s Art Deco American Loose Gemstones

Materials

Opal

Elongated 1.36 Carat Tri-color Tourmaline Gemstone Pink, White & Green EM 9x5mm
Located in Columbus, OH
Presenting an elongated emerald cut 1.36 carat tourmaline gemstone! This gemstone exhibits a range of colours such as green, white and pink. It's elongated form makes it suitable f...
Category

21st Century and Contemporary Modern American Loose Gemstones

Materials

Tourmaline

Elongated 15.86 Carat Rutilated Quartz Loose Gemstone EM 20x15mm
Located in Columbus, OH
Presenting an elongated emerald cut 15.86 carat rutilated quartz loose gemstone! This gemstone exhibits a rectangular shape with precise facets that accenture it's clarity and brilli...
Category

2010s Modern American Loose Gemstones

Materials

Quartz

Sparkling 3.78 Carat Blue Zircon Gemstone Pear 8x7mm
Located in Columbus, OH
A gorgeous pear shape blue zircon looking for it's next home. If you feel a sparkle of excitement seeing this gem and want to design a one of a kind piece of jewelry, let us know! ...
Category

21st Century and Contemporary American Loose Gemstones

Materials

Zircon, Blue Zircon

Vivid 5 Carat Blue Zircon Gemstone Cushion 8.5x7mm
Located in Columbus, OH
A gorgeous cushion shape blue zircon looking for it's next home. If you feel a sparkle of excitement seeing this gem and want to design a one of a kind piece of jewelry, let us know!...
Category

2010s Modern American Loose Gemstones

Materials

Zircon, Blue Zircon

5.19 Carats Natural Heat Vivid Blue Radiant Cut Sapphire
Located in Great Neck, NY
5.19 Carats Natural Heat Vivid Blue Radiant Cut Sapphire 9.8mm x 11.5mm *Free shipping within the U.S.*
Category

2010s American Loose Gemstones

Materials

Sapphire

Sparkling 4.13 Carat Blue Zircon Gemstone Oval 8x7mm
Located in Columbus, OH
A gorgeous oval shape blue zircon looking for it's next home. If you feel a sparkle of excitement seeing this gem and want to design a one of a kind piece of jewelry, let us know! C...
Category

2010s Modern American Loose Gemstones

Materials

Zircon, Blue Zircon

Sparkling 5.15 Carat Blue Zircon Gemstone Pear 10x7mm
Located in Columbus, OH
A gorgeous pear shape blue zircon looking for it's next home. If you feel a sparkle of excitement seeing this gem and want to design a one of a kind piece of jewelry, let us know! C...
Category

2010s Modern American Loose Gemstones

Materials

Zircon, Blue Zircon

Elongated 4.77 Carat Blue Zircon Gemstone EM 11x6mm
Located in Columbus, OH
A gorgeous emerald cut blue zircon looking for it's next home. If you feel a sparkle of excitement seeing this gem and want to design a one of a kind piece of jewelry, let us know! ...
Category

2010s Modern American Loose Gemstones

Materials

Zircon, Blue Zircon

9.13 Carats Natural Cornflower Blue Sapphire Oval Cut Loose Gem
Located in Great Neck, NY
9.13 CTS NATURAL CORNFLOWER BLUE OVAL CUT GENUINE SAPPHIRE LOOSE GEM STANDARD HEAT ONLY TREATEMENT, GORGEOUS COLOR AND SIZE MEASUREMENTS 10.70mm X 12.20mm *FREE SHIPPING WITHIN THE...
Category

2010s American Loose Gemstones

Materials

Sapphire, Blue Sapphire

18 Carat Natural Fire Opal Pear, Fancy Opal, October Birthstone, Orange Gemstone
Located in New York, NY
DETAILS Fire Opal Weight: 18.19 CT Measurements: 23.4 x 18.1 mm Shape: Pear Color: Intense Orange Hardness: 5.5 - 6.5 Birthstone Month: October Natural SHIPPING All items will be sh...
Category

21st Century and Contemporary Artisan American Loose Gemstones

Materials

Opal, Fire Opal

GIA Certified 4.26 Carat No Heat Oval Ruby
Located in Great Neck, NY
GIA Certified No Heat oval Ruby weighing 4.26 carats Measuring (10.87x8.40x4.80) mm Color: Red No indications of heating
Category

2010s Modern American Loose Gemstones

Materials

Ruby

Oscar Heyman Multicolor Sapphire Necklace Layout, 114.79 Carats
By Oscar Heyman
Located in New Orleans, LA
This stunning Oscar Heyman multicolor sapphire necklace layout affords a remarkable opportunity to personally collaborate with the legenda...
Category

21st Century and Contemporary Modern American Loose Gemstones

Materials

Diamond, Sapphire

101.40 Carat Kunzite
Located in New York, NY
This huge over-100 carat kunzite is internally flawless and drenched in pink from the manganese content of the stone. Out of California, it will make a show-stopping piece of jewelry. From the Pala Chief Mine in San Diego County, California, this 101.40 carat cushion cut kunzite...
Category

2010s American Loose Gemstones

Materials

Kunzite

Rose Cut Diamond Studs
Located in Missoula, MT
An alternative to the regular diamond stud, just as elegant but a little more relaxed. -14k Yellow Gold -2, 4mm Rose Cut Diamonds -0.25 carats total -bezel setting
Category

2010s Modern American Loose Gemstones

Materials

Diamond, 14k Gold

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 diamond. 2020: Closure of the Argyle mine On 3 November...
Category

2010s American Loose Gemstones

Materials

Diamond, Pink Diamond

GIA Certified VS2 2 Carat Orangy Pink Earth Mined Diamond Brilliant Oval 9x7mm
Located in Columbus, OH
We are so excited to bring you this gorgeous GIA certified 2 carat natural earth mined orangy pink diamond! This piece is HPHT treated giving it an absolutely gorgeous fancy vivid co...
Category

2010s Modernist American Loose Gemstones

Materials

Diamond, Pink Diamond

GIA Certified 1 Carat Purplish Pink Diamond Earth Mined Brilliant Round 6.5mm
Located in Columbus, OH
We are thrilled to bring you this absolutely gorgeous pink natural earth mined diamond! This diamond is HPHT treated, giving it a stunning fancy vivid purplish pink color. A fabulous size for an engagement ring or statement piece that is sure to turn heads. This gemstone is a great investment as natural diamonds appreciate...
Category

2010s Modernist American Loose Gemstones

Materials

Pink Diamond

GIA Certified 1.51 Carat Vivid Earth Mined Pink Diamond Brilliant Oval Cut 8x6mm
Located in Columbus, OH
We are thrilled to bring you this absolutely gorgeous pink natural earth mined diamond! This diamond is HPHT treated, giving it a stunning Fancy Vivid Pink color. A fabulous size for an engagement ring or statement piece that is sure to turn heads. This gemstone is also a great investment as natural diamonds appreciate...
Category

2010s Modernist American Loose Gemstones

Materials

Diamond, Pink Diamond

GIA Certified 1 Carat Purplish Pink Diamond Earth Mined Brilliant Round 6.5mm
Located in Columbus, OH
Specifications Stone: Diamond (Natural Earth Mined ) Treatment: HPHT Color: Purplish Pink Cut: Brilliant Clarity: VS2 Carat Weight: 1.00 carat Shape: Round Size: 6.5mm (depth is 3.8...
Category

2010s Modernist American Loose Gemstones

Materials

Diamond, Pink Diamond

GIA Certified 1.07 Carat Deep Pink Diamond Earth Mined Brilliant Round 6.5x4mm
Located in Columbus, OH
We are thrilled to bring you this absolutely gorgeous pink natural earth mined diamond! This diamond is HPHT treated, giving it a stunning Fancy Deep Pink color. A fabulous size for an engagement ring or statement piece that is sure to turn heads. This gemstone is also a great investment as natural diamonds appreciate...
Category

2010s Modernist American Loose Gemstones

Materials

Diamond, Pink Diamond

GIA Certified 2.31 Carat VVS1 Fancy Deep Pink Diamond Natural Earth Mined
Located in Columbus, OH
We are thrilled to bring you this absolutely gorgeous pink natural, earth-mined diamond! This diamond is HPHT treated, giving it a stunning Fancy Deep Pink color. A fabulous size for an engagement ring or statement piece that is sure to turn heads. This gemstone is also a great investment as natural diamonds appreciate...
Category

2010s Modernist American Loose Gemstones

Materials

Diamond, Pink Diamond

GIA Certified 2 Carat VVS2 Deep Purplish Pink Diamond Earth Mined Brilliant 8mm
Located in Columbus, OH
We are thrilled to bring you this absolutely gorgeous pink natural earth mined diamond! This diamond is HPHT treated, giving it a stunning purplish pink color. A fabulous size for an engagement ring or statement piece that is sure to turn heads. This gemstone is a great investment as natural diamonds appreciate...
Category

2010s Modernist American Loose Gemstones

Materials

Diamond, Pink Diamond

GIA Certified 1.58 Carat Fancy Vivid Pink Diamond Natural Earth Mined
Located in Columbus, OH
We are thrilled to bring you this absolutely gorgeous pink natural earth mined diamond! This diamond is HPHT treated, giving it a stunning Fancy Vivid Pink color. A fabulous size for an engagement ring or statement piece that is sure to turn heads. This gemstone is also a great investment as natural diamonds appreciate...
Category

2010s Modern American Loose Gemstones

Materials

Diamond, Pink Diamond

Alexandrite GIA Certified Natural Color Change Blue Green Purple
Located in New York, NY
00This stunning alexandrite gemstone has been certified by GIA and boasts a natural color change effect from blue to green to purple depending on the lighting. The transparency of th...
Category

2010s American Loose Gemstones

Materials

Alexandrite

GIA Certified No Heat Oval Natural Ruby Weighing 1.18 Carats Gemstone
By OGI Ltd
Located in New York, NY
Introducing the Exquisite GIA Certified No Heat Oval Natural Ruby Weighing 1.18 Carats Elevate your jewelry collection with this stunning and rare GIA Certified No Heat Oval Natural ...
Category

20th Century Contemporary American Loose Gemstones

Materials

Ruby

7.5 Carat Natural Aquamarine Emerald Cut Blue Gemstone March Birthstone
Located in New York, NY
DETAILS Aquamarine Weight: 7.57 CT Shape: Emerald-cut Color: Blue Hardness: 7.5 - 8 Birthstone: March Natural WANT TO CUSTOM ORDER? We customize high jewelry made with quality gemst...
Category

21st Century and Contemporary Artisan American Loose Gemstones

Materials

Emerald, Aquamarine

10.90 Carat Natural Emerald Pear Cabochon Sugarloaf May Birthstone Loose Gem
Located in New York, NY
DETAILS Emerald Weight: 10.90 CT Measurements: 18.9 x 15.3 mm Shape: Pear Cabochon Color: Green Hardness: 7.5 - 8 Birthstone: May Natural WANT TO CUSTOM ORDER? We customize high jew...
Category

21st Century and Contemporary Artisan American Loose Gemstones

Materials

Emerald

10.20 Carat Natural Emerald Heart Cabochon Sugarloaf Unique Cut Loose Gemstone
Located in New York, NY
DETAILS Emerald Weight: 10.20 CT Measurements: 15.2 x 12.2 x 9 mm Shape: Heart Cabochon Color: Green Hardness: 7.5 - 8 Birthstone: May Natural EMERALD BIRTHSTONE The May birthstone,...
Category

21st Century and Contemporary Artisan American Loose Gemstones

Materials

Emerald

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 Loose Gemstones

Materials

Diamond, Black Diamond

1.58 Carat Oval Blue Sapphire
Located in Great Neck, NY
Oval Blue Sapphire weighing 1.58 carats Measuring (7.2x6.6) mm Blue Gemstone is a nice and lively blue sapphire
Category

2010s Modern American Loose Gemstones

Materials

Sapphire, Blue Sapphire

Match Pair Round Blue Ceylon Sapphires
Located in Great Neck, NY
Match Pair of Ceylon Sapphires weighing 2.71 carats total Measuring 6.4 mm Cornflower Blue This match pair is an extremely lively pair of sapphires
Category

2010s Modern American Loose Gemstones

Materials

Sapphire, Blue Sapphire

1.34ct Oval Greenish Gray Teal Sapphire GIA Certified USA (Montana)
Located in Toronto, Ontario
This is a stunning GIA Certified Sapphire The GIA report reads as follows: GIA Report Number: 2205980890 Shape: Oval Cutting Style: Cutting Style: Crown: Brilliant Cut Cutting Styl...
Category

2010s American Loose Gemstones

Materials

Sapphire

CDC Certified 66.80 Carat Faceted Aquamarine
Located in New York, NY
Natural Aquamarine, Greenish-Blue Round, Brilliant Cut Very Good Quality Grade Origin from Brazil.
Category

21st Century and Contemporary Modern American Loose Gemstones

Materials

Aquamarine

CDC Certified 5.0 Carat Colombia Emerald
Located in New York, NY
Natural Emerald Vivid Green Oval/Mod. Brilliant Cut indications of minor clarity enhancement Origin from Colombia.
Category

21st Century and Contemporary Artisan American Loose Gemstones

Materials

Emerald

Collection of Aquamarine, Tourmaline & Kunzite Stones Cabochon Stones 243 tcw
Located in Cincinnati, OH
18 beautiful, oval cabochon loose stones in this collection. Could be used individually or together in rings, necklaces, earrings, etc. Lots of possib...
Category

2010s American Loose Gemstones

Materials

Aquamarine, Kunzite, Tourmaline

GIA Certified 6.16 Carat Heated Sapphire ( Orangy Yellow)
Located in New York, NY
Natural Corundum Sapphire Cushion Shape Brilliant Cut Transparent Orangy Yellow 6.16 Carat
Category

21st Century and Contemporary Artisan American Loose Gemstones

Materials

Sapphire

GIA Certified Emerald Cut Diamond 1.60ct F/VS1 Loose GIA XX Inscription
By GIA
Located in Rancho Santa Fe, CA
Gorgeous loose 1.60ct emerald cut diamond that is certified by GIA with a laser inscription no# 1175388529. F Color and VS1 Clarity with no fluorescence. The diamond is a double XX ...
Category

2010s Modern American Loose Gemstones

Materials

Diamond

0.15 Carat Pear Shape Even Loose Pink Argyle Diamond GIA Certified FIPP
Located in New York, NY
0.15 CARAT PEAR SHAPE NATURAL FANCY INTENSE PURPLISH PINK EVEN LOOSE PINK DIAMOND GIA CERTIFIED 0.15 CT FIPP BY MIKE NEKTA NYC GIA NATURAL COLORED ...
Category

2010s American Loose Gemstones

Materials

Diamond

0.29 Carat Oval Cut Diamond Even Loose Pink Argyle Diamond GIA Certified FPP
Located in New York, NY
0.29 CARAT ROUND NATURAL FANCY PURPLISH PINK EVEN LOOSE PINK DIAMOND GIA CERTIFIED 0.29 CT FPP BY MIKE NEKTA NYC Shape and Cutting Style : Oval Bri...
Category

2010s American Loose Gemstones

Materials

Diamond

0.17 Carat Round Brilliant Diamond GIA Certified FOP
Located in New York, NY
0.17 CARAT ROUND NATURAL FANCY ORANGY PINK EVEN PINK DIAMOND GIA CERTIFIED 0.17 CT FOP BY MIKE NEKTA NYC GIA NATURAL COLORED DIAMOND Shape and Cutti...
Category

2010s American Loose Gemstones

Materials

Diamond

Hakimoto By Jewel Of Ocean Pair of 18 mm White Round Australian South Sea Pearl
Located in New York, NY
Hakimoto By Jewel Of Ocean Round South Sea Pearl Pair of 18 mm White 16.7 Grams Australian South Sea Pearl Aproximate
Category

Late 20th Century Modern American Loose Gemstones

Materials

South Sea Pearl

Hakimoto by Jewel Of Ocean Pair of 17 mmWhite Round Australian South Sea Pearl
Located in New York, NY
Hakimoto By Jewel Of Ocean Round South Sea Pearl Pair of 16.9-17 mm White 14 Grams Australian South Sea Pearl Aproximat
Category

1990s Modern American Loose Gemstones

Materials

Cultured Pearl, South Sea Pearl

Hakimoto by Jewel Of Ocean 17.7 mm Special Gem Quality Round South Sea Pearl
Located in New York, NY
Hakimoto By Jewel Of Ocean Round South Sea Pearl 17.7 mm Special 7.7 Grams Scecial Color South Sea Pearl Approximate
Category

1990s Modern American Loose Gemstones

Materials

Cultured Pearl, South Sea Pearl

Hand Carved 42.23 Carats Natural Arizona Turquoise Fish Loose Gemstone
By Vaibhav Dhadda
Located in Jaipur, Rajasthan
Our one-of-a-kind 42.23 cts hand-carved fish on natural Arizona Turquoise is a mesmerizing piece of art created by our expert lapidary artist in Jaipur. With exceptional skill and at...
Category

21st Century and Contemporary Contemporary American Loose Gemstones

Materials

Turquoise

GIA Certified No Heat Cushion Ruby
Located in Great Neck, NY
GIA Certified No Heat Ruby Cushion Shape 1.23 cts (7.55x6.06x2.61) mm
Category

2010s Modern American Loose Gemstones

Materials

Ruby

0.70 Carat Loose E / VS2 Round Brilliant Cut Diamond GIA Certified
Located in Sherman Oaks, CA
0.70 Carat Loose E / VS2 Round Brilliant Cut Diamond GIA Certified Diamond General Info GIA Report Number: 6187452729 Diamond Cut: Round Brilliant Measurements: 5.79 x 5.77 - 3....
Category

21st Century and Contemporary Modern American Loose Gemstones

Materials

Diamond

0.44 Carat Loose G/SI1 Round Brilliant Cut Diamond GIA Certified
Located in Sherman Oaks, CA
0.44 Carat Loose G/ SI1 Round Brilliant Cut Diamond GIA Certified Diamond General Info Diamond Cut:Round Brilliant Measurements: 4.95 x 4.87 - 3.04 mm Diamond Grading Results C...
Category

21st Century and Contemporary Modern American Loose Gemstones

Materials

Diamond

0.48 Carat Loose J/ VS2 Round Brilliant Cut Diamond GIA Certified
Located in Sherman Oaks, CA
0.48 Carat Loose J/ VS2 Round Brilliant Cut Diamond GIA Certified Diamond General Info Diamond Cut:Round Brilliant Measurements: 5.00 x 4.94 - 3.11 mm Diamond Grading Results C...
Category

21st Century and Contemporary Modern American Loose Gemstones

Materials

Diamond

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