Skip to main content

USA - Loose Gemstones

to
350
2,152
1,312
1,136
413
273
to
1144
691
484
457
444
4,471
14
50
17
90
4,328
1
1
23
11
1
2,478
2,006
1
101
61
23
20
18
4,485
377
816
225
69
65
4
3
2
148
121
118
113
112
Item Ships From: USA
3.78 Ct Blue Sapphire Round Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich color saturation and precise cutting, it is the perfect centerpiece for an engagement ring or luxury jewe...
Category

2010s Sri Lankan USA - Loose Gemstones

Materials

Blue Sapphire

1.05 Ct Blue Sapphire Round Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich color saturation and precise cutting, it is the perfect centerpiece for an engagement ring or luxury jewe...
Category

2010s Sri Lankan USA - Loose Gemstones

Materials

Blue Sapphire

6.74 Ct Blue Sapphire Octagon Cut Loose Gemstone
Located in Fort Lee, NJ
A highly precious September birthstone with a delighting blue color. They are believed to bring good luck & fortune to life. Explore vibrant collection of Emerald, Ruby & Sapphires ...
Category

2010s Sri Lankan USA - Loose Gemstones

Materials

Blue Sapphire

Natural Unheated Greenish Blue Sapphire Gemstone 3.05 carats with GIA Report
Located in Los Angeles, CA
Experience the captivating allure of a Natural Unheated Greenish Blue Sapphire, a gemstone prized for its rarity and natural beauty. Weighing 3.05 carats, this cushion-shaped Sapphir...
Category

21st Century and Contemporary Unknown USA - Loose Gemstones

Materials

Blue Sapphire

1.42 Ct Blue Sapphire Cushion Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich color saturation and precise cutting, it is the perfect centerpiece for an engagement ring or luxury jewe...
Category

2010s Sri Lankan USA - Loose Gemstones

Materials

Blue Sapphire

4.66 Ct Blue Sapphire Octagon Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich color saturation and precise cutting, it is the perfect centerpiece for an engagement ring or luxury jewe...
Category

2010s Sri Lankan USA - Loose Gemstones

Materials

Blue Sapphire

3.04 Ct Blue Sapphire Octagon Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich color saturation and precise cutting, it is the perfect centerpiece for an engagement ring or luxury jewe...
Category

2010s Sri Lankan USA - Loose Gemstones

Materials

Blue Sapphire

5.34 Carat Brazilian Alexandrite Oval Loose Gem AGL Certified – Merkaba Jewelry
By Merkaba
Located in Beverly Hills, CA
Ultra-Fine Rare Brazilian Alexandrite Gemstone by Merkaba Jewelry Beverly Hills. Merkaba Jewelry Beverly Hills proudly presents an extraordinary treasure: a 5.34 carat Brazilian Ale...
Category

21st Century and Contemporary Brazilian Modern USA - Loose Gemstones

Materials

Alexandrite, Chrysoberyl, 18k Gold, Rose Gold, White Gold, Yellow Gold, ...

1.68 Carat 9x6 Yellowish Green Colombian Emerald - Emerald Cut Muzo Mine May
Located in Jupiter, FL
Stone: Emerald Weight: 2.76-carats Shape: Asscher Cut Clarity: Transparent Luster: Excellent Color: Yellowish Green Measurements: 8.76mm x 8.66mm x 6.05mm Geographic Origin: Colombia...
Category

2010s Colombian Modern USA - Loose Gemstones

Materials

Emerald

36.67 Carat Oval Ethiopian Opal Loose Gemstone by Merkaba Jewelry Beverly Hills
By Merkaba
Located in Beverly Hills, CA
A rare 36.67 carat oval Ethiopian opal offered unmounted, alive with electric play of color. This gemstone shifts between fiery reds, lush greens, tranquil blues, and golden flashes,...
Category

21st Century and Contemporary Ethiopian Contemporary USA - Loose Gemstones

Materials

Opal, 18k Gold, Rose Gold, White Gold, Yellow Gold, Platinum

GIA Certified Paraiba Tourmaline 1.52 Carat Natural
Located in Punta Gorda, FL
It comes with the Original GIA Certificate Natural Paraiba Tourmaline Carat Weight: 1.52 Carats Measurements: 6.99 x 6.13 x 5.57 mm
Category

21st Century and Contemporary Contemporary USA - Loose Gemstones

Materials

Tourmaline, Paraiba

Natural Unheated White Sapphire Gemstone 5.33 carats with GIA Report
Located in Los Angeles, CA
Introducing a captivating Natural Unheated White Sapphire, a genuine beauty at 5.33 carats, meticulously documented with the prestigious GIA Report. This octagonal marvel, measuring ...
Category

21st Century and Contemporary Unknown USA - Loose Gemstones

Materials

Sapphire

25.67 Carat Oval Ethiopian Opal Loose Gemstone Unmounted Merkaba Jewelry
By Merkaba
Located in Beverly Hills, CA
Offered loose and unmounted by Merkaba Jewelry Beverly Hills, this exceptional Ethiopian opal weighs 25.67 carats and is cut in a classic oval shape that highlights its remarkable pl...
Category

21st Century and Contemporary Ethiopian Modern USA - Loose Gemstones

Materials

Opal, 18k Gold, Rose Gold, White Gold, Yellow Gold, Platinum

2 Carat GIA Certified Fancy Deep Brown-Pink VS2 Pear Shape Diamond
By Rare Colors
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 USA - Loose Gemstones

Materials

Pink Diamond, 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 USA - 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 USA - 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 USA - Loose Gemstones

Materials

Black Diamond

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 USA - Loose Gemstones

Materials

Black Diamond

1.47 Ct Blue Sapphire Oval Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich color saturation and precise cutting, it is the perfect centerpiece for an engagement ring or luxury jewe...
Category

2010s Sri Lankan USA - Loose Gemstones

Materials

Blue Sapphire

1.54 Ct Blue Sapphire Oval Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich color saturation and precise cutting, it is the perfect centerpiece for an engagement ring or luxury jewe...
Category

2010s Sri Lankan USA - Loose Gemstones

Materials

Blue Sapphire

3.02 Ct Blue Sapphire Oval Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich color saturation and precise cutting, it is the perfect centerpiece for an engagement ring or luxury jewe...
Category

2010s Sri Lankan USA - Loose Gemstones

Materials

Blue Sapphire

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 USA - Loose Gemstones

Materials

Yellow Diamond

Rare untreated ruby oval 9mm certified
Located in Jupiter, FL
Rare untreated ruby, heat only, stunning color! NATURAL GEMSTONE(S): NATURAL RUBY Clarity/Color: Slightly Included/Pinkish Red Cut: Rectangular 9X6.5MM Treatment: none pof WHAT Y...
Category

21st Century and Contemporary USA - Loose Gemstones

Materials

Ruby

1.34 Ct Blue Sapphire Cushion Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich color saturation and precise cutting, it is the perfect centerpiece for an engagement ring or luxury jewe...
Category

2010s Sri Lankan USA - Loose Gemstones

Materials

Blue Sapphire

51.39 Carat Free Form Ethiopian Opal Loose Gemstone - Merkaba Beverly Hills
By Merkaba
Located in Beverly Hills, CA
Natural 51.39 carat Ethiopian opal, offered loose and unmounted, featuring a vibrant play of color that shifts with movement and light. Cut in an organic free form shape, this except...
Category

21st Century and Contemporary Ethiopian Contemporary USA - Loose Gemstones

Materials

Opal, 18k Gold, Rose Gold, White Gold, Yellow Gold, Platinum

0.89 Ct Blue Sapphire Round Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich color saturation and precise cutting, it is the perfect centerpiece for an engagement ring or luxury jewe...
Category

2010s Sri Lankan USA - Loose Gemstones

Materials

Blue Sapphire

2.05 Ct Blue Sapphire Oval Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich color saturation and precise cutting, it is the perfect centerpiece for an engagement ring or luxury jewe...
Category

2010s Sri Lankan USA - Loose Gemstones

Materials

Blue Sapphire

Natural Unheated Teal Green-Blue Sapphire Gemstone 7.34 carats with GIA Report
Located in Los Angeles, CA
Make a statement with a Natural Unheated Teal Green-Blue Sapphire, a rare and striking gemstone prized for its vivid color and natural beauty. Weighing 7.34 carats, this round Sapphi...
Category

21st Century and Contemporary Unknown USA - Loose Gemstones

Materials

Blue Sapphire

Natural Tanzanite AAAA Grade Top Quality Oval Loose Gemstone Tanzanite Jewelry
Located in New York, NY
♥ Welcome to Blue Star Gems: Your stop for Natural Loose Gemstones for Jewelry making and Best Quality and affordable Gemstones for the Price you Pay We are Loose Gemstones Manufactu...
Category

21st Century and Contemporary Tanzanian Art Deco USA - Loose Gemstones

Materials

Tanzanite

Natural Unheated Yellow Sapphire Gemstone 5.39 carats with GIA Report
Located in Los Angeles, CA
A golden yellow, this yellow sapphire is unique in every way. Unheated and untreated, at 5.39 carats here is a canary colored gemstone that has a glow that comes from within the gems...
Category

21st Century and Contemporary Unknown USA - Loose Gemstones

Materials

Yellow Sapphire

AGL Certified 8.11 Carat Australian Black Opal Vivid Blue Green N2-B4
Located in Chicago, IL
This pear-shape stunning Australian Black Opal displays a vivid Blue-Green Play-of-Color Phenomena in a unique Chaff and Harlequin Jigsaw pattern. This unique gem weighs 8.11ct and m...
Category

21st Century and Contemporary Australian Contemporary USA - Loose Gemstones

Materials

Opal, Black Opal

Natural Color Change Alexandrite Stone 0.76 carats with GIA Report / JupiterGem
Located in Los Angeles, CA
Need a sparkle in your life? This is it. This gem brings you the royalty of Brazilian Alexandrite, with its unique color and hardness. You can't get a better deal than this: natural alexandrite 0.76 carats with GIA Report. Get in touch with your inner beauty with this gorgeous natural alexandrite gemstone. This stone is one-of-a-kind and guaranteed to be real. A gorgeous, blue-green changing to purple alexandrite stone...
Category

21st Century and Contemporary Brazilian USA - Loose Gemstones

Materials

Alexandrite

4.63 Carat Purple Spinel Cushion Cut Loose Gemstone Loupe Clean by Merkaba
By Merkaba
Located in Beverly Hills, CA
A collector grade 4.63 carat purple spinel cushion cut loose gemstone, offered unmounted by Merkaba Jewelry Beverly Hills. This exceptional spinel is described as loupe clean, showin...
Category

21st Century and Contemporary American Modern USA - Loose Gemstones

Materials

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

Rare 7.68 Carat Mint Green Tourmaline Cushion Cut Loose Gemstone by Merkaba
By Merkaba
Located in Beverly Hills, CA
7.68 carat mint green tourmaline cushion cut loose gemstone curated by Merkaba Jewelry Beverly Hills. This unmounted center stone is prized for its serene mint hue, bright presence, ...
Category

21st Century and Contemporary Congolese Modern USA - Loose Gemstones

Materials

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

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 USA - Loose Gemstones

Materials

Black Diamond

15.14 Carat Emerald Cut Mint Green Tourmaline Loose Gemstone – Merkaba Jewelry
Located in Beverly Hills, CA
A rare, collector grade 15.14 carat emerald cut mint green tourmaline, offered loose and unmounted by Merkaba Jewelry Beverly Hills. This exceptional stone is selected for its fresh ...
Category

21st Century and Contemporary Afghan Modern USA - Loose Gemstones

Materials

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

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 USA - Loose Gemstones

Materials

Black Diamond

3.75 Carat Oval Cut Paraiba Tourmaline Loose Gemstone
Located in Trumbull, CT
This oval cut Paraiba Tourmaline is a natural gemstone which is hand cut and polished. Make your dream come true by creating this brilliant gemstone into your desired piece of jewelr...
Category

21st Century and Contemporary Mozambican USA - Loose Gemstones

Materials

Tourmaline, Paraiba

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 USA - Loose Gemstones

Materials

Black Diamond

Fancy Deep Orange Brown GIA Certified 1.47 ct Natural Diamond
Located in New York, NY
ITEM DESCRIPTION Stone Shape: Pear Diamond Weight: 1.47 Carat Color: Fancy Deep Orange Brown Measurements: 8.59 x 6.02 x 4.13 mm Symmetry: Good Polish: Good Fluorescence: Medium Yel...
Category

21st Century and Contemporary Modern USA - Loose Gemstones

Materials

Diamond

Natural Green Russian Demantoid Garnet Gemstone 1.16 carats
Located in Los Angeles, CA
This exceptional Russian demantoid garnet dazzles with its vivid green hue and unmatched brilliance. Featuring a brilliant cut, this gemstone showcases superior fire and light disper...
Category

21st Century and Contemporary Russian USA - Loose Gemstones

Materials

Garnet

Natural Blue Sapphire Gemstone 1.56 carats with GIA Report / JupiterGem
Located in Los Angeles, CA
Discover the timeless elegance of Natural Blue Sapphire, expertly cut into a classic cushion shape. This exquisite gemstone, known for its rich blue hue, is perfect for those who app...
Category

21st Century and Contemporary Unknown USA - Loose Gemstones

Materials

Blue Sapphire

6.47 Carat Paraiba Tourmaline Loose Gemstone, Oval Cut, Mozambique, GIA Certifie
By Merkaba
Located in Beverly Hills, CA
Offered loose by Merkaba Jewelry Beverly Hills, this 6.47 carat Paraiba tourmaline from Mozambique is an extraordinary collector gemstone, presented in a refined oval cut and accompa...
Category

21st Century and Contemporary Mozambican Contemporary USA - Loose Gemstones

Materials

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

GIA Certified 16.16 Carat Orange Oval Imperial Topaz
Located in Los Angeles, CA
GIA Certified Yellow-Orange Oval Imperial Topaz Shape- Oval Modified Brilliant Cut Carat Weight- 16.16 Carats GIA Report Number- 2231069294 Measurements- 17.47 x 2.81 x 9.20 An...
Category

21st Century and Contemporary USA - Loose Gemstones

Materials

Topaz, Imperial Topaz

5.56ct Unheated Ceylon Yellow Sapphire – Rare Oval Gem for Collectors
By Merkaba
Located in Beverly Hills, CA
Natural 5.56 Carat Unheated Ceylon Yellow Sapphire: A Rare Gem for Collectors Custom Jewelry - Merkaba Beverly Hills. Introducing a radiant 5.56 carat unheated Ceylon Yellow S...
Category

21st Century and Contemporary Sri Lankan Modern USA - Loose Gemstones

Materials

Sapphire, Yellow Sapphire, 18k Gold, Rose Gold, White Gold, Yellow Gold,...

Natural Unheated Pink Sapphire Gemstone 3.37 carats with GIA Report / JupiterGem
Located in Los Angeles, CA
Identification: Natural Pink Sapphire • Carat: 3.37 carats • Shape: Cushion • Measures: 8.97 x 8.53 x 4.96 mm • Color: Purplish Pink • Cut: Modified Brilliant/step • Treatment:...
Category

21st Century and Contemporary Unknown USA - Loose Gemstones

Materials

Pink Sapphire

2.90 Ct Blue Sapphire Round Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich colour saturation and precise cutting, it is the perfect centrepiece for an engagement ring or luxury jew...
Category

2010s Sri Lankan USA - Loose Gemstones

Materials

Blue Sapphire

2.44 Ct Blue Sapphire Round Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich colour saturation and precise cutting, it is the perfect centrepiece for an engagement ring or luxury jew...
Category

2010s Sri Lankan USA - Loose Gemstones

Materials

Blue Sapphire

1.91 Ct Blue Sapphire Round Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich colour saturation and precise cutting, it is the perfect centrepiece for an engagement ring or luxury jew...
Category

2010s Sri Lankan USA - Loose Gemstones

Materials

Blue Sapphire

1.75 Ct Blue Sapphire Round Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich colour saturation and precise cutting, it is the perfect centrepiece for an engagement ring or luxury jew...
Category

2010s Sri Lankan USA - Loose Gemstones

Materials

Blue Sapphire

1.88 Ct Blue Sapphire Round Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich colour saturation and precise cutting, it is the perfect centrepiece for an engagement ring or luxury jew...
Category

2010s Sri Lankan USA - Loose Gemstones

Materials

Blue Sapphire

3.69 Ct Blue Sapphire Round Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich colour saturation and precise cutting, it is the perfect centrepiece for an engagement ring or luxury jew...
Category

2010s Sri Lankan USA - Loose Gemstones

Materials

Blue Sapphire

5.21 Ct Blue Sapphire Round Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich colour saturation and precise cutting, it is the perfect centrepiece for an engagement ring or luxury jew...
Category

2010s Sri Lankan USA - Loose Gemstones

Materials

Blue Sapphire

1.96 Ct Blue Sapphire Round Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich colour saturation and precise cutting, it is the perfect centrepiece for an engagement ring or luxury jew...
Category

2010s Sri Lankan USA - Loose Gemstones

Materials

Blue Sapphire

1.95 Ct Blue Sapphire Round Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich colour saturation and precise cutting, it is the perfect centrepiece for an engagement ring or luxury jew...
Category

2010s Sri Lankan USA - Loose Gemstones

Materials

Blue Sapphire

1.91 Ct Blue Sapphire Round Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich colour saturation and precise cutting, it is the perfect centrepiece for an engagement ring or luxury jew...
Category

2010s Sri Lankan USA - Loose Gemstones

Materials

Blue Sapphire

1.90 Ct Blue Sapphire Round Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich colour saturation and precise cutting, it is the perfect centrepiece for an engagement ring or luxury jew...
Category

2010s Sri Lankan USA - Loose Gemstones

Materials

Blue Sapphire

1.83 Ct Blue Sapphire Round Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich colour saturation and precise cutting, it is the perfect centrepiece for an engagement ring or luxury jew...
Category

2010s Sri Lankan USA - Loose Gemstones

Materials

Blue Sapphire

1.87 Ct Blue Sapphire Round Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich colour saturation and precise cutting, it is the perfect centrepiece for an engagement ring or luxury jew...
Category

2010s Sri Lankan USA - Loose Gemstones

Materials

Blue Sapphire

2.07 Ct Blue Sapphire Round Loose Gemstone
Located in Fort Lee, NJ
This natural Blue sapphire offers elegance and sophistication. With its rich colour saturation and precise cutting, it is the perfect centrepiece for an engagement ring or luxury jew...
Category

2010s Sri Lankan USA - Loose Gemstones

Materials

Blue Sapphire

Still Thinking About These?

All Recently Viewed