American Loose Gemstones
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Place of Origin: American
3.90 Carat Blue Sapphire Loose Gemstone Oval 10.8 x 7.8 mm
Located in Columbus, OH
NNJ Designs presents a 3.90 carat oval Blue Sapphire loose gemstone! This Blue Sapphire gemstone would be perfect for the jewelry setting of y...
Category
2010s American Loose Gemstones
Materials
Sapphire, Blue Sapphire
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
1.54 Carat Loose L/VS2 Round Brilliant Cut Diamond GIA Certified
Located in Sherman Oaks, CA
1.54 Carat Loose L / VS2 Round Brilliant Cut Diamond GIA Certified
Diamond General Info
Diamond Cut: Round Brilliant
Measurements: 7.51 x 7.47 - 4.53 mm
Diamond Grading Results...
Category
21st Century and Contemporary Modern American Loose Gemstones
Materials
Diamond
GIA Certified 1.72 Carat Cushion Cut Diamond Loose Stone
By Roman Malakov
Located in New York, NY
A beautiful cushion cut diamond certified by GIA as G color, SI1 clarity with excellent polish and very good symmetry. It measures 6.96 x 6.53 x 4.64 millimeters.
Available to be se...
Category
21st Century and Contemporary American Loose Gemstones
Materials
Diamond
1.00 Carat Loose F / VS2 Emerald Cut Diamond GIA Certified
Located in Sherman Oaks, CA
Diamond General Info
Diamond Cut: Emerald Cut
Measurements: 7.17 x 4.96 - 3.11 mm
Diamond Grading Results
Carat Weight: 1.00
Color Grade: F
Clarity Grade: VS2
Additional Gradin...
Category
21st Century and Contemporary Modern American Loose Gemstones
Materials
Diamond
2.60 Carat Blue Sapphire Loose Gemstone Oval 8x6mm
Located in Columbus, OH
NNJ Designs presents a 2.60. carat oval Blue Sapphire loose gemstone! This Blue Sapphire gemstone would be perfect for the jewelry setting of ...
Category
2010s American Loose Gemstones
Materials
Sapphire, Blue Sapphire
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
3.02 Carat Loose L / VS2 Round Brilliant Cut Diamond GIA Certified
Located in Sherman Oaks, CA
Diamond General Info
GIA Report Number: 2185397389
Diamond Cut: Round Brilliant
Measurements: 8.98 - 9.02 x 5.78 mm
Diamond Grading Results
Carat Weight: 3.02
Color Grade: L
Clarit...
Category
21st Century and Contemporary Modern American Loose Gemstones
Materials
Diamond
3.64 Carat Blue Sapphire Loose Gemstone Oval 8x6mm
Located in Columbus, OH
NNJ Designs presents a 3.64 carat oval Blue Sapphire loose gemstone! This Blue Sapphire gemstone would be perfect for the jewelry setting of y...
Category
2010s American Loose Gemstones
Materials
Sapphire, Blue Sapphire
4.22-Carat Natural pear-Shape Yellow Sapphire
Located in Great Neck Plaza, NY
4.22-Carat Natural Pear-Shape Yellow Sapphire
This exquisite 4.22-carat natural yellow sapphire is masterfully cut in a graceful pear shape, showcasing its radiant golden hue and ex...
Category
2010s American Loose Gemstones
Materials
Sapphire, Yellow Sapphire, 14k Gold, Yellow Gold
5.23-Carat Natural Heart-Shape Yellow Sapphire
Located in Great Neck Plaza, NY
Radiating warmth and elegance, this exquisite 5.23-carat natural yellow sapphire is expertly cut in a romantic heart shape, making it a perfect centerpiece for a bespoke engagement r...
Category
2010s American Loose Gemstones
Materials
Sapphire, Yellow Sapphire, 14k Gold, Yellow Gold
2.10-Carat Natural Trangle-Cut Sapphire
Located in Great Neck Plaza, NY
2.10-Carat Natural Triangle-Cut Sapphire – Rare Geometric Elegance
This exquisite 2.10-carat natural sapphire features a unique triangle (trillion) cut, showcasing the gemstone’s br...
Category
2010s American Loose Gemstones
Materials
Sapphire, 14k Gold, Yellow Gold
11.52-Carat Natural Pear-Cut Sapphire
Located in Great Neck Plaza, NY
Presenting a rare and exceptional 11.52-carat natural sapphire, masterfully cut into a timeless pear shape, this remarkable gemstone is a true masterpiece of nature. With its deep, r...
Category
2010s American Loose Gemstones
Materials
Sapphire, 14k Gold, Yellow Gold
13.67-Carat Natural Pear-Cut Sapphire
Located in Great Neck Plaza, NY
Exceptional 13.67-Carat Natural Pear-Cut Sapphire
A magnificent 13.67-carat natural sapphire, expertly cut in a timeless pear shape, showcasing a vivid and saturated blue hue. This ...
Category
2010s American Loose Gemstones
Materials
Sapphire, 14k Gold, Yellow Gold
1.94 Carat Loose E / VS1 Emerald Cut Diamond GIA Certified
Located in Sherman Oaks, CA
Diamond General Info
GIA Report Number: 6187350670
Diamond Cut: Emerald Cut
Measurements: 7.90 x 6.49 x 4.49
Diamond Grading Results
Carat Weight: 1.94
Color Grade: E
Clarity Grade:...
Category
21st Century and Contemporary Modern American Loose Gemstones
Materials
Diamond
1.68 Carat Blue Sapphire Loose Gemstone Emerald cut 6x4mm
Located in Columbus, OH
Presenting a 1.68 carat Sapphire gemstone! Blue Sapphire is a precious gemstone renowned for its vibrant blue hue. This gemstone is cherished not only for their beauty but also for t...
Category
2010s Modern American Loose Gemstones
Materials
Blue Sapphire
1.51 Carat Round Shape Natural Diamond
Located in Great Neck Plaza, NY
1.51 Carat Round Shape Natural Diamond
Average Color I, Clarity SI3
Measurements: 6.5 - 6.7 x 4.5 mm
Category
2010s American Loose Gemstones
Materials
Diamond, 14k Gold, Yellow Gold
GIA 5.60 Carat Certified Natural Sapphire Loose Gemstone
Located in Great Neck Plaza, NY
5.60 Carat GIA Certified Natural Sapphire - Oval Shape, Blue
This exquisite 5.60-carat natural sapphire boasts a mesmerizing blue hue, making it a stunning centerpiece for any fine ...
Category
2010s Modern American Loose Gemstones
Materials
Sapphire, 14k Gold, White Gold
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
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
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
Exceptional Blue Zircon Matched Pair Emerald Cut 8x5mm
Located in Columbus, OH
A lovely matched pair to make a fabulous set of earrings or matched rings/pendants! Could this be your something blue? *Sold as a set*
Cambodian Zircon is the perfect eco-friendly a...
Category
2010s American Loose Gemstones
Materials
Blue Zircon, Zircon
0.86 Carat Loose D / VS1 Round Brilliant Cut Diamond GIA Certified
Located in Sherman Oaks, CA
0.86 Carat Loose D / VS1 Round Brilliant Cut Diamond GIA Certified
Diamond General Info
Diamond Cut: Round Brilliant
Measurements: 6.30 x 6.23 - 3.74 mm
Diamond Grading Results...
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
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
1.53 Carat Loose F / VVS2 Marquise Cut Diamond GIA Certified
Located in Sherman Oaks, CA
Diamond General Info
GIA Report Number: 5181350659
Diamond Cut: Marquise
Measurements: 13.19 x 5.75 - 3.63
Diamond Grading Results
Carat Weight: 1.53
Color Grade: F
Clarity Grad...
Category
21st Century and Contemporary Modern American Loose Gemstones
Materials
Diamond
0.51 Carat Loose F/ VS1 Round Brilliant Cut Diamond GIA Certified
Located in Sherman Oaks, CA
0.51 Carat Loose F/ VS1 Round Brilliant Cut Diamond GIA Certified
Diamond General Info
GIA Report Number:5181451556
Diamond Cut:Round Brilliant
Measurements: 5.31 x 5.24 - 3.08 ...
Category
21st Century and Contemporary Modern American Loose Gemstones
Materials
Diamond
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
0.59 Carat Loose F/ SI1 Round Brilliant Cut Diamond GIA Certified
Located in Sherman Oaks, CA
0.59 Carat Loose F/ SI1 Round Brilliant Cut Diamond GIA Certified
Diamond General Info
GIA Report Number: 5182300207
Diamond Cut: Round Brilliant
Measurements: 5.50 x 5.47 - 3.2...
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 D / I1 Marquise Brilliant Cut Diamond GIA Certified
Located in Sherman Oaks, CA
1.10 Carat Loose D / I1 Marquise Brilliant Cut Diamond GIA Certified
Diamond General Info
GIA Report Number: 2185448158
Diamond Cut: Marquise Brilliant
Measurements: 11.10 x 5.02 x...
Category
21st Century and Contemporary Modern American Loose Gemstones
Materials
Diamond
1.14 Carat Loose H/ SI1 Round Brilliant Cut Diamond Gia Certified
Located in Sherman Oaks, CA
1.14 Carat Loose H/ SI1 Round Brilliant Cut Diamond GIA Certified
Diamond General Info
GIA Report Number:12010116
Diamond Cut:Round Brilliant
Measurements: 6.63 x 6.59 - 4.25 mm...
Category
21st Century and Contemporary Modern American Loose Gemstones
Materials
Diamond
1.08 Carat Loose F / VS2 Marquise Brilliant Cut Diamond GIA Certified
Located in Sherman Oaks, CA
Diamond General Info
Diamond Cut: Marquise Brilliant
Measurements: 10.17 x 5.32 - 3.74 mm
Diamond Grading Results
Carat Weight: 1.08
Color Grade: F
Clarity Grade: VS2
Additiona...
Category
21st Century and Contemporary Modern American Loose Gemstones
Materials
Diamond
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
0.77 Carat Loose F/ SI2 Round Brilliant Cut Diamond GIA Certified
Located in Sherman Oaks, CA
0.77 Carat Loose F/ SI2 Round Brilliant Cut Diamond GIA Certified
Diamond General Info
GIA Report Number:2181300567
Diamond Cut:Round Brilliant
Measurements: 5.86 x 5.79 - 3.69 ...
Category
21st Century and Contemporary Modern American Loose Gemstones
Materials
Diamond
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
2.65 Carat Loose Fancy Pink / I1 Marquise Brilliant Cut Diamond GIA Certified
Located in Sherman Oaks, CA
Diamond General Info
GIA Report Number: 5182448043
Diamond Cut: Marquise Brilliant
Measurements: 13.23 x 7.10 x 4.23 mm
Diamond Grading Results
Carat Weight: 2.65
Clarity Grade: I1...
Category
21st Century and Contemporary Modern American Loose Gemstones
Materials
Diamond
6.66-Carat Natural Cushion-Cut Yellow Sapphire
Located in Great Neck Plaza, NY
Radiating warmth and brilliance, this exceptional 6.66-carat natural yellow sapphire features a classic cushion cut, emphasizing its vibrant golden hue and remarkable clarity. This g...
Category
2010s American Loose Gemstones
Materials
Sapphire, Yellow Sapphire, 14k Gold, Yellow Gold
GIA 4.69 Carat Natural Sapphire Pentagonal Step Cut
Located in Great Neck Plaza, NY
GIA 4.69 Carat Natural Sapphire – Pentagonal Step Cut, Blue
This GIA-certified 4.69-carat natural sapphire presents a stunning blue color, offering a deep, rich hue that captivates ...
Category
2010s Modern American Loose Gemstones
Materials
Sapphire, 14k Gold, White Gold
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
1.01 Carat Princess Shape Natural Diamond
Located in Great Neck Plaza, NY
1.01 Carat Princess Shape Natural Diamond
Average Color G, Clarity I2
Measurements: 5 x 5 x 4 mm
Category
2010s American Loose Gemstones
Materials
Diamond, 14k Gold, Yellow Gold
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 Loose Gemstones
Materials
Diamond, Brown Diamond, 14k Gold, White Gold
1.18 Carat Princess Shape Natural Diamond
Located in Great Neck Plaza, NY
1.18 Carat Princess Shape Natural Diamond
Average Color K, Clarity SI1
Measurements: 5 x 5 x 4 mm
Category
2010s American Loose Gemstones
Materials
Diamond, 14k Gold, Yellow Gold
1.03 Carat Loose I / VS1 Princess Cut Diamond GIA Certified
Located in Sherman Oaks, CA
1.03 Carat Loose I / VS1 Princess Cut Diamond GIA Certified
Diamond General Info
Diamond Cut: Square Modified Brilliant
Measurements: 5.35 x 5.34 - 4...
Category
21st Century and Contemporary Modern American Loose Gemstones
Materials
Diamond
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
1.22 Carat Princess Shape Natural Diamond
Located in Great Neck Plaza, NY
1.22 Carat Princess Shape Natural Diamond
Average Color H, Clarity I2
Measurements: 5.5 x 5 x 3.6 mm
Category
2010s American Loose Gemstones
Materials
Diamond, 14k Gold, Yellow Gold
FLASH SALE 1.75 Carat Round Cut Fancy Color Loose Diamond
Located in Great Neck Plaza, NY
1.75 Carats round loose natural diamond
Natural Fancy Dark Greenish Yellow Brown, I3
*Free shipping within the US
Category
2010s American Loose Gemstones
Materials
Diamond, 14k Gold, White Gold
1 Carat Purple Sapphire Loose Gemstone Pear Shape 6.5x5.5mm
Located in Columbus, OH
NNJ Designs presents a 0.98 carat pear shaped Purple Sapphire gemstone. This Purple Sapphire gemstone would be perfect for the jewelry setting of your choice and can be a lovely Sept...
Category
2010s American Loose Gemstones
Materials
Sapphire, Purple Sapphire
1.56 Carat Radiant Shape Natural Diamond
Located in Great Neck Plaza, NY
1.56 Carat Radiant Shape Natural Diamond
Average Color H, Clarity I1
Measurements: 5.5 x 5.8 x 4.5 mm
Category
2010s American Loose Gemstones
Materials
Diamond, 14k Gold, Yellow Gold
1.01 Carat Radiant Shape Natural Diamond
Located in Great Neck Plaza, NY
1.01 Carat Radiant Shape Natural Diamond
Average Color H, Clarity SI3
Measurements: 6 x 5 x 3.5 mm
Category
2010s American Loose Gemstones
Materials
Diamond, 14k Gold, Yellow Gold
1.01 Carat Princess Shape Natural Diamond
Located in Great Neck Plaza, NY
1.01 Carat Princess Shape Natural Diamond
Average Color H, Clarity I2
Measurements: 4.8 x 5 x 3.8 mm
Category
2010s American Loose Gemstones
Materials
Diamond, 14k Gold, Yellow Gold
0.96 Carat Round Shape Natural Diamond
Located in Great Neck Plaza, NY
0.96 Carat Round Shape Natural Diamond
Average Color K, Clarity VS1
Measurements: 5.9 - 5.8 x 3.8 mm
Category
2010s American Loose Gemstones
Materials
Diamond, 14k Gold, Yellow Gold
2.19 Carat Pink Sapphire Loose Gemstone Oval 9x7mm
Located in Columbus, OH
NNJ Designs presents a 2.19 carat oval Pink Sapphire loose gemstone! This Pink Sapphire gemstone would be perfect for the jewelry setting...
Category
2010s American Loose Gemstones
Materials
Sapphire, Pink Sapphire
26.72 Carat Ethiopian Opal Loose Gemstone Oval 29x24mm
Located in Columbus, OH
NNJ Designs presents a 26.72 carat Ethiopian Opal loose gemstone! Opals are celebrated for thier briliiant flashes of color and stunning patterns, often displaying a mesmerizing play...
Category
2010s Art Deco American Loose Gemstones
Materials
Opal
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
Argyle 0.12 Carat Natural Pink Champagne Round Shape Loose Diamond
Located in Great Neck Plaza, NY
Argyle 0.12 Carat Natural Pink Champagne Round Shape Loose Diamond. Argyle with inscription on the diamond. Clarity SI1
2020: Closure of the Argyle mine O...
Category
2010s American Loose Gemstones
Materials
Diamond, Pink 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 Loose Gemstones
Materials
Diamond
0.16 Carat Natural Fancy Orangy Pink Round Shape Loose Diamond
Located in Great Neck Plaza, NY
Natural fancy orangy pink round shape diamond weighing 0.16 carats.
*Free shipping within the U.S.*
Category
2010s American Loose Gemstones
Materials
Diamond, Pink Diamond, Brown Diamond
