Skip to main content

American Loose Gemstones

to
8
55
24
12
9
9
to
29
24
19
12
11
124
9
115
1
5
75
49
24
3
2
2
1
117
43
10
7
1
1
55
39
31
30
23
Place of Origin: American
6.91 Carat Star Ruby Loose Gemstone Oval 11.7 x 9.3 mm
Located in Columbus, OH
NNJ Designs presents a 6.91 carat oval Star Ruby loose gemstone! A Star Ruby is a type of gemstone that displays a six-rayed star when light is shone onto it. Star rubies are unique ...
Category

2010s Art Deco American Loose Gemstones

Materials

Ruby, Star Ruby

Hakimoto By Jewel Of Ocean Pair of 18 mm White Round Australian South Sea Pearl
Located in Hicksville, 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 Hicksville, 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

0.92 Carat Purple Amethyst Loose Gemstone Pear Shape 7x5mm
Located in Columbus, OH
NNJ Designs presents a 0.92 carat pear shaped Purple Amethyst loose gemstone! This Purple Amethyst gemstone would be perfect for the ring or pendant setting of your choice and can be...
Category

2010s American Loose Gemstones

Materials

Amethyst

GIA Certified 7.02ct L / VS1 Excellent Cut
Located in New York, NY
GIA certified 7.02ct Natural emerald cut diamond. Excellent clean clarity brilliant cut. Report # 6214923983 Stating: 13.01 x 9.36 x 6.07mm Very Good Cut Excellent Symmetry Excellen...
Category

2010s Contemporary American Loose Gemstones

Materials

Diamond

17.68 Carat Loupe Clean Madagascar Aquamarine Kite Cut Pair Loose Gemstones
By Merkaba
Located in Beverly Hills, CA
Merkaba Jewelry Beverly Hills presents a rare matched pair of Madagascar aquamarines, offered loose and unmounted for collectors and bespoke jewe...
Category

21st Century and Contemporary Modern American Loose Gemstones

Materials

Aquamarine, Beryl, 18k Gold, Rose Gold, White Gold, Yellow Gold, Platinum

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

9.73 Carat Aquamarine Parallelogram Cut Loose Gemstone, Merkaba Jewelry Beverly
By Merkaba
Located in Beverly Hills, CA
Merkaba Jewelry Beverly Hills presents a rare, collector worthy aquamarine offered as a loose, unmounted gemstone. Weighing 9.73 carats and cut in an ar...
Category

21st Century and Contemporary Modern American Loose Gemstones

Materials

Aquamarine, Beryl, 18k Gold, Rose Gold, White Gold, Yellow Gold, Platinum

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 Symm: EX Depth: 61 Stone Table: 59
Category

2010s American Loose Gemstones

Materials

Diamond

8.54 Carat Loupe Clean Mint Peridot Shield Cut Loose Gemstone, Merkaba Jewelry
By Merkaba
Located in Beverly Hills, CA
Merkaba Jewelry Beverly Hills presents an exceptional 8.54 carat mint peridot, offered as a loose, unmounted gemstone for collectors and bespoke jewelry design. Cut in a striking shi...
Category

21st Century and Contemporary Contemporary American Loose Gemstones

Materials

Peridot

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

Oval Blue Topaz with Diamond Accents 14k Yellow Gold
Located in Sugar Land, TX
♥ Product Summary ♥ Main Stone: Blue Topaz Metal Choice: 14K Yellow Gold Stone Cut: Oval Dimensions: 31mm x 21mm Weight: 7 grams Chain: 18" 14k Yellow Gold Diamonds & Gemstones are...
Category

21st Century and Contemporary American Loose Gemstones

Materials

Diamond, Topaz, Blue Topaz

Hakimoto Pair of 14 mm Pink Botton Shape Cultured Pearls
Located in Hicksville, NY
Hakimoto Pink Pair of Botton Cultured Pearls 7.6 grams 14.5-14.4 mm Aproximat
Category

1990s Modern American Loose Gemstones

Materials

Cultured Pearl

4.29 Carat Pear Shaped Diamond F VS2 GIA Loose Stone No Fluorescence by Tamir
By Tamir
Located in Beverly Hills, CA
A remarkable 4.29 carat pear shaped diamond offered loose for collectors and bespoke jewelry design. Graded F color and VS2 clarity, this GIA certified stone presents a bright, color...
Category

21st Century and Contemporary Contemporary American Loose Gemstones

Materials

Diamond

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

Purple and Yellow Ceylon Sapphires 3.66 Carat Three Stone
By Emeralds Maravellous
Located in US
Three stone sapphires with a center high-quality cushion cut purple Ceylon sapphire 1.48 carats and two vibrant, yellow Ceylon oval cut sapphires weighin...
Category

21st Century and Contemporary Artisan American Loose Gemstones

Materials

Sapphire

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 engagement ring design. GIA certified E / IF Polis...
Category

2010s American Loose Gemstones

Materials

Diamond

0.94 Carat Purple Sapphire Looser Gemstone Pear Shape 7x5mm
Located in Columbus, OH
NNJ Designs presents a 0.94 carat Purple Sapphire loose gemstone! This Purple Sapphire would be perfect for the jewelry setting of your choice and can be a lovely September birthston...
Category

2010s American Loose Gemstones

Materials

Sapphire, Purple Sapphire

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 ring design. GIA certified H / VS1 Polish:...
Category

2010s American Loose Gemstones

Materials

Diamond

6.70ctw Loupe Clean Purplish Blue Tanzanite Oval Pair Loose Gems Merkaba BH
By Merkaba
Located in Beverly Hills, CA
Offered loose by Merkaba Jewelry Beverly Hills, this exceptional matched pair of natural tanzanite totals 6.70 carats and is described as loupe clean, with no inclusions visible unde...
Category

21st Century and Contemporary Modern American Loose Gemstones

Materials

Tanzanite, Gold, 18k Gold, Rose Gold, Yellow Gold, Platinum

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

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

Alexander Beverly Hills GIA 5.03ct G VS1 Emerald Cut Diamond (1.44 ratio)
By Alexander Beverly Hills
Located in BEVERLY HILLS, CA
Stunning loose emerald 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 ...
Category

21st Century and Contemporary Contemporary American Loose Gemstones

Materials

Diamond, White Diamond

Aquamarine 21.71 Carat Princess Cut Loose Gemstone, Unmounted, Design Your Dream
By Merkaba
Located in Beverly Hills, CA
Offered loose and unmounted, this 21.71 carat aquamarine is an impressive statement gemstone featuring a crisp princess cut with clean geometry and bright light return. The stone pre...
Category

21st Century and Contemporary Modern American Loose Gemstones

Materials

Beryl, Aquamarine, Platinum, Yellow Gold, White Gold, Rose Gold, 18k Gold

7.75 Carat Total Marquise Aquamarine Pair Loose Gemstones, Merkaba Jewelry
By Merkaba
Located in Beverly Hills, CA
Merkaba Jewelry Beverly Hills presents an exclusive matched pair of marquise cut aquamarine gemstones, offered loose and unmounted for collectors and bespoke jewelry creation. With a...
Category

21st Century and Contemporary Modern American Loose Gemstones

Materials

Aquamarine, Beryl

11.35ct Bluish Green Tourmaline Emerald Cut Loose Gem - Merkaba Jewelry BH
By Merkaba
Located in Beverly Hills, CA
Magnificent 11.35 Carat Bluish Green Emerald-Cut Tourmaline: A Collector’s Dream and Custom Jewelry Inspiration By Merkaba Beverly Hills. Introducing a stunning 11.35 carat Bluish G...
Category

21st Century and Contemporary Modern American Loose Gemstones

Materials

Tourmaline, Emerald, Gold, 18k Gold, White Gold, Yellow Gold, Platinum

0.40 Carat Natural Fancy Intense Purple-Pink Diamond, Cushion Cut, GIA Report.
Located in New York, NY
A natural 0.40 carat. Fancy Intense Purple-Pink Diamond, Cushion shape. graded by GIA as SI1 in clarity. A gorgeous Pink diamond with a captivatin...
Category

21st Century and Contemporary Contemporary American Loose Gemstones

Materials

Pink Diamond

13.12ct Grey Lavender Spinel Emerald Cut Pair Loose Gemstones - Merkaba Jewelry
By Merkaba
Located in Beverly Hills, CA
Rare grey lavender spinel pair, emerald cut gems, weighing a total of 13.12 carats, offered loose for the discerning collector. The color presents as a refined grey lavender with a c...
Category

21st Century and Contemporary Modern American Loose Gemstones

Materials

Spinel, Emerald

8.79 Carat Cushion-Cut Natural Rich Brown Tourmaline Loose Gemstone
By Alberto
Located in GREAT NECK, NY
This morganite's enchanting pastel tone and exceptional sparkle make it an ideal centerpiece. Add a touch of sophistication to your collection with this exquisite natural pink morgan...
Category

2010s Contemporary American Loose Gemstones

Materials

Morganite

Greenish Yellow Tourmaline 17.54 Carat Loose Gemstone, Emerald Cut, Unmounted
By Merkaba
Located in Beverly Hills, CA
Offered loose by Merkaba Jewelry Beverly Hills, this 17.54 carat greenish yellow tourmaline is an impressive collector stone with a refined emerald cut that emphasizes clarity, geome...
Category

21st Century and Contemporary Modern American Loose Gemstones

Materials

Tourmaline, Emerald, 18k Gold, Rose Gold, White Gold, Yellow Gold, Platinum

Pair of 11.26 Carat Light Bluish Green Tourmaline Square Octagon Loose Gemstones
By Merkaba
Located in Beverly Hills, CA
Merkaba Jewelry Beverly Hills presents an exquisite matched pair of light bluish green tourmalines, offered as loose, unmounted gemstones...
Category

21st Century and Contemporary Contemporary American Loose Gemstones

Materials

Tourmaline

MARKDOWN, 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

1.34ct 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

CLOSE OUT GIA 0.15 Carat Natural Fancy Deep Orange Brown Pear Shape Diamond
Located in Great Neck Plaza, NY
GIA natural fancy deep orange brown pear shape diamond weighing 0.15 carats.
Category

2010s American Loose Gemstones

Materials

Diamond, Brown Diamond

CLEARANCE, GIA 8.02 Carat Natural Sapphire Radiant Shape
Located in Great Neck Plaza, NY
Gemstone: Natural Sapphire Carat Weight: 8.02 Carats Shape: Radiant Color: Blue Measurements: 10.55 x 9.40 x 7.66 mm This sapphire’s large size and vibrant blue color make it an impr...
Category

2010s American Loose Gemstones

Materials

Sapphire, 14k Gold, White Gold

LIQUIDATION, GIA 7.48 Carat Natural Sapphire Cushion Shape
Located in Great Neck Plaza, NY
Stunning 7.48-Carat Natural Sapphire – Cushion Shape, Blue This exquisite 7.48-carat natural sapphire is a true treasure for any gemstone enthusiast or collector. With its captivati...
Category

2010s Modern American Loose Gemstones

Materials

Sapphire, 14k Gold, White Gold

FLASH SALE 0.18 Carat Natural Fancy Light Pinkish Brown Round Shape Diamond
Located in Great Neck Plaza, NY
Natural fancy light pinkish brown round shape diamond weighing 0.18 carats. *Free shipping within the U.S.*
Category

2010s American Loose Gemstones

Materials

Diamond, Pink Diamond, Brown Diamond

NICE SALE 0.14 Carat Natural Fancy Pink Brown Round Shape Loose Diamond
Located in Great Neck Plaza, NY
Natural fancy pink brown round shape diamond weighing 0.14 carats. *Free shipping within the U.S.*
Category

2010s American Loose Gemstones

Materials

Diamond, Pink Diamond, Brown Diamond

GIA Certified 6.44 Carat Natural Blue Sapphire Oval Shape
Located in Great Neck Plaza, NY
GIA Certified 6.44-Carat Natural Sapphire – Blue – Oval Shape This stunning 6.44-carat natural sapphire is a true statement piece, perfect for high-end jewelry enthusiasts or collec...
Category

2010s Modern American Loose Gemstones

Materials

Sapphire, 14k Gold, White Gold

MARKDOWN, 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

GIA 10.77 Carats Oval Shape Natural Blue Sapphire
Located in Great Neck Plaza, NY
10.77 Carat Oval Shape Natural Blue Sapphire Heated Gorgeous Color & Size Measurements: 15.57 mm x 11.77 mm x 6.98 mm Free Shipping within the U.S. This striking oval-shaped blue sa...
Category

2010s American Loose Gemstones

Materials

Sapphire, Blue Sapphire

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

1.01 Carat Princess Shape Natural Diamond
Located in Great Neck Plaza, NY
1.01 Carat Princess Shape Natural Diamond Average Color I, Clarity SI1 Measurements: 5 x 4.4 x 4.1 mm
Category

2010s American Loose Gemstones

Materials

Diamond, 14k Gold, Yellow Gold

GIA 5.06 Carat Natural Sapphire Oval Shape
Located in Great Neck Plaza, NY
GIA Certified 5.06 Carat Natural Blue Sapphire Shape: Oval Dimensions: 12.56 x 10.09 x 4.23 mm Color: Blue Certification: GIA Certified Special Features: Exceptional clarity and vib...
Category

2010s Modern American Loose Gemstones

Materials

Sapphire, 14k Gold, White Gold

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

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

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

4 Carat Star Ruby Loose Gemstone Oval 10x8mm
Located in Columbus, OH
NNJ Designs presents a 4.01 carat oval Star Ruby loose gemstone! A Star Ruby is a type of gemstone that displays a six-rayed star when light is shone onto it. Star rubies are unique ...
Category

2010s Art Deco American Loose Gemstones

Materials

Ruby, Star Ruby

1 1/4 Carat Oval Light Grayish Blue Sapphire GIA Unheated
Located in San Francisco, CA
This Oval shape 1.24-carat Natural Light Grayish Blue color sapphire GIA certified has been hand-selected by our experts for its top luster and unique color
Category

21st Century and Contemporary American Loose Gemstones

Materials

Blue Sapphire

1.35 Carat Colombian Emerald Square Cut Loose Gemstone GIA Certified Vivid Green
Located in New York, NY
1.35 Carats Colombian Emerald Square Emerald Cut Loose Gemstone GIA Certified Carat Weight: 1.35 carats Shape: Octagonal / Squared emerald cut (very close to Asscher) Cutting Style:...
Category

2010s American Loose Gemstones

Materials

Emerald

Sapphire Kite Shape Blue-Green 3.54 Carat
By Emeralds Maravellous
Located in US
The blue-green Kite-Shape sapphires are very clean VS in clarity weighing 3.04 carats, Modified shiel step cut company with a yellow sapphire trillion cut weighing 0.50 carats. Full ...
Category

21st Century and Contemporary Art Deco American Loose Gemstones

Materials

Sapphire, Blue Sapphire, Green Sapphire

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

GIA Certified 1.50 Carat Marquise Diamond Loose Stone
By Roman Malakov
Located in New York, NY
A marquise cut loose diamond certified by GIA as G color, VS2 clarity, with good polish and symmetry. Diamond measures 12.56 x 5.96 x 3.32 millimeters. Available to be set in a cust...
Category

21st Century and Contemporary American Loose Gemstones

Materials

Diamond

1.65 Carat Blue Sapphire Loose Gemstone Round 7.24 x 3.52 mm
Located in Columbus, OH
NNJ Designs present a 1.65 carat Blue Sapphire loose gemstone! This Blue Sapphire gemstone would be perfect for the jewelry setting of your choice and can be a lovely September birth...
Category

2010s 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

Four Marquise Pear Shape Oval Loose GIA Certified 145.90 Carat Kunzite
Located in Los Angeles, CA
DeKara Designs Collection Stones- 1 Pear Shape Kunzite 43.02 Carats, 1 Elongated Pear Shape Kunzite 37.13 Carats, 1 Marquise Kunzite 33.18 Carats, 1 Oval Kunzite 32.57 Carats. GIA...
Category

21st Century and Contemporary Modern American Loose Gemstones

Materials

Diamond, Kunzite, 18k Gold, White Gold

1.38 Carat Round Shape Lavender Color Sapphire GIA Certified Unheated
Located in San Francisco, CA
This Round shape 1.38-carat Natural Unheated Lavender/Light Purple color Sri-Lankan sapphire GIA certificate number:1206624540 has been hand-selected by our experts for its top luste...
Category

21st Century and Contemporary American Loose Gemstones

Materials

Sapphire, Pink Sapphire, Purple Sapphire

3.17 Carat Blue Sapphire Loose Gemstone Pear Shape 11.2 x 8.1 mm
Located in Columbus, OH
NNJ Designs presents a 3.17 carat pear shape Blue Sapphire loose gemstone! This Blue Sapphire gemstone would be perfect for the jewelry setting of your choice and can be a lovely Sep...
Category

2010s American Loose Gemstones

Materials

Sapphire, Blue Sapphire

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

2.98 Carat Mahenge Pink Spinel Fancy Cut Loose Gem - Merkaba Beverly Hills
By Merkaba
Located in Beverly Hills, CA
Exceptional 2.98 carat Mahenge pink spinel, offered loose and unmounted, featuring a distinctive fancy cut and vivid color. Sourced from Mahenge, Tanzania, this gemstone is prized by...
Category

21st Century and Contemporary Modern American Loose Gemstones

Materials

Spinel, Other, 18k Gold, Rose Gold, White Gold, Yellow Gold, Platinum