American Loose Gemstones
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Place of Origin: American
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
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
0.65 Carat Loose G / VS2 Round Brilliant Cut Diamond GIA Certified
Located in Sherman Oaks, CA
Diamond General Info
GIA Report Number: 5182299001
Diamond Cut: Round Brilliant
Measurements: 5.51 - 5.53 x 3.44 mm
Diamond Grading Results
Carat Weight: 0.65
Color Grade: G
Clarit...
Category
21st Century and Contemporary Modern American Loose Gemstones
Materials
Diamond
1.10 Carat Loose E / VS2 Pear Shaped Cut Diamond GIA Certified
Located in Sherman Oaks, CA
Diamond General Info
GIA Report Number: 2185397298
Diamond Cut: Pear Shaped
Measurements: 8.77 x 5.76 - 3.68 mm
Diamond Grading Results
Carat Weight:1.10
Color Grade: E
Clarity ...
Category
21st Century and Contemporary Modern American Loose Gemstones
Materials
Diamond
1.07 Carat Loose J / I1 Square Modified Brilliant Diamond GIA Certified
Located in Sherman Oaks, CA
Diamond General Info
Diamond Cut: Princess Cut
Measurements: 6.29 x 6.16 - 4.16
Diamond Grading Results
Carat Weight: 1.07
Color Grade: J
Clarity Grade: I1
Additional Grading I...
Category
21st Century and Contemporary Modern 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
0.75 Carat Loose D / VS2 Round Brilliant Cut Diamond GIA Certified
Located in Sherman Oaks, CA
Diamond General Info
GIA Report Number: 2185305538
Diamond Cut: Round Brilliant
Measurements: 5.71 - 5.78 x 3.70 mm
Diamond Grading Results
Carat Weight: 0.75
Color Grade: D
Clarit...
Category
21st Century and Contemporary Modern American Loose Gemstones
Materials
Diamond
1.58 Carat Loose D / VS1 Round Brilliant Cut Diamond GIA Certified
Located in Sherman Oaks, CA
Diamond General Info
GIA Report Number: 5181451253
Diamond Cut: Round Brilliant
Measurements:7.44 - 7.49 x 4.66 mm
Diamond Grading Results
Carat Weight: 1.58
Color Grade: D
Clarity...
Category
21st Century and Contemporary Modern American Loose Gemstones
Materials
Diamond
1.58 Carat Loose D / SI1 Marquise Brilliant Cut Diamond GIA Certified
Located in Sherman Oaks, CA
Diamond General Info
GIA Report Number: 6187448186
Diamond Cut: Marquise Brilliant
Measurements: 12.28 x 5.63 x 3.86 mm
Diamond Grading Results
Carat Weight: 1.58
Color Grade: D
Cl...
Category
21st Century and Contemporary Modern American Loose Gemstones
Materials
Diamond
0.61 Carat Loose H/ Si1 Round Brilliant Cut Diamond Gia Certified
Located in Sherman Oaks, CA
0.61 Carat Loose H/ SI1 Round Brilliant Cut Diamond GIA Certified
Diamond General Info
GIA Report Number:2185299007
Diamond Cut:Round Brilliant
Measurements: 5.37 x 5.27 - 3.40 ...
Category
21st Century and Contemporary Modern American Loose Gemstones
Materials
Diamond
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
7.58 Carat Radiant Cut Intense Blue Natural Sapphire Loose Gemstone
Located in Great Neck, NY
7.58 cts Radiant cut natural loose sapphire
intense blue color
measures 10.2mm x 11.0mm
*Free shipping within the US*
Category
2010s American Loose Gemstones
Materials
Sapphire
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
7.58 Carat Radiant Cut Intense Blue Natural Sapphire Loose Gemstone
Located in Great Neck, NY
7.58 cts Radiant cut natural loose sapphire
intense blue color
measures 10.2mm x 11.0mm
*Free shipping within the US*
Category
2010s American Loose Gemstones
Materials
Sapphire
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
Elongated 4.62 Carat Blue Zircon Gemstone EM 9x6mm
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
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
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
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
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
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
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
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 2020, mining at Argyle off...
Category
2010s American Loose Gemstones
Materials
Diamond, 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 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 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 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 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
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
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
Mining Specimen 188.65ct Natural Loose Topaz Octagon
Located in New York, NY
West American Yield
188.65ct. Natural Certified Brown Quartz
40 x 41mm
Full cut Octagon brilliant
Clean Clarity & Transparent
Excellent, Even Toned Light Brown Yellowish Color
Category
2010s American Loose Gemstones
Materials
Topaz
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
10.90 Carat Parti-Color Purple Pink Tourmaline, Loose Gemstone
By Sarosi By Timeless Gems
Located in Los Angeles, CA
Tourmaline occurs in all colors of the rainbow, but purple tourmaline is quite unusual, especially in clean medium purple hues. This crystalline parti-color purple...
Category
21st Century and Contemporary Artisan American Loose Gemstones
Materials
Tourmaline
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
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
Leon Mege Stunning Certified 1.83 Ct F/VS1 Asscher Cut Diamond; GIA #12323397
Located in New York, NY
Stunning True Antique™ Asscher cut diamond 1.83 ct F/VS1; GIA 12323397.
The stone is loose, but Leon Mege custom jewelers will happily work with you on a custom mounting, subject to...
Category
2010s Contemporary American Loose Gemstones
Materials
Diamond
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
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
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
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
0.72 Carat Loose J / VVS2 Round Brilliant Cut Diamond GIA Certified
Located in Sherman Oaks, CA
0.72 Carat Loose J / VVS2 Round Brilliant Cut Diamond GIA Certified
Diamond General Info
Diamond Cut: Round Brilliant
Measurements: 5.86 x 5.83 - 3.51 mm
Diamond Grading Result...
Category
21st Century and Contemporary Modern American Loose Gemstones
Materials
Diamond
0.58 Carat Loose J/ VS2 Round Brilliant Cut Diamond GIA Certified
Located in Sherman Oaks, CA
Diamond General Info
Diamond Cut: Round Brilliant
Measurements: 5.44 x 5.33 - 3.23 mm
Diamond Grading Results
Carat Weight:0.58
Color Grade: J
Clarity Grade: VS2
Additional Gr...
Category
21st Century and Contemporary Modern American Loose Gemstones
Materials
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 Loose Gemstones
Materials
Diamond, Yellow Diamond
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
1.18 Carat Loose H / VS1 Princess Cut Diamond GIA Certified
Located in Sherman Oaks, CA
Diamond General Info
Diamond Cut: Rectangular Modified Brilliant
Measurements:6.11 x 5.68 - 4.22 mm
Diamond Grading Results
Carat Weight:1.18
Color Grade: H
Clarity Grade: VS1
...
Category
21st Century and Contemporary 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
1.00 Carat Loose K / VS2 Round Brilliant Cut Diamond GIA Certified
Located in Sherman Oaks, CA
Diamond General Info
Diamond Cut: Round brilliant
Measurements:6.25 x 6.32 - 3.98 mm
Diamond Grading Results
Carat Weight:1.00
Color Grade: K
Clarity Grade: VS2
Additional Grad...
Category
21st Century and Contemporary Modern American Loose Gemstones
Materials
Diamond
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
0.87 Carat Loose D / VS1 Emerald Cut Diamond GIA Certified
Located in Sherman Oaks, CA
0.87 Carat Loose D / VS1 Emerald Cut Diamond GIA Certified
Diamond General Info
Diamond Cut: Emerald Cut
Measurements: 7.43 x 4.81...
Category
21st Century and Contemporary Modern 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
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