American Loose Gemstones

GIA natural cushion cut loose diamond , very shiny Color: Natural Fancy Dark Brown-Greenish Yellow *Free shipping within the US

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...

This rare 1.01 carat Fancy Vivid Orangy Yellow diamond is defined by exceptional saturation, natural origin, and a refined cushion-modified brilliant cut. The color displays a lumin...

This rare 1.34 carat Fancy Vivid Yellow diamond is distinguished by exceptional saturation, natural origin, and an elegant oval modified brilliant cut. The color presents a pure, lu...

1.12 ct round brilliant cut loose natural diamond *Free shipping within the US

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.*

1.75 Carats round loose natural diamond Natural Fancy Dark Greenish Yellow Brown, I3 *Free shipping within the US

A captivating treasure of nature, this 3.06-carat sapphire presents the coveted "cornflower" blue hue—an exceptional shade long celebrated for its velvety elegance and timeless allur...

A magnificent 7.28 ct Natural Cushion Shape Blue Sapphire, showcasing a vivid and saturated blue hue. This gemstone is of exceptional quality, with excellent brilliance, clarity, and...

Hakimoto By Jewel Of Ocean Round South Sea Pearl Pair of 17.5 mm White 16.7 Grams Australian South Sea Pearl Aproximate

Diamond Size: 1.29 carats (the weight of the diamond). Shape: Round (the cut of the diamond). Setting: 6-prong yellow gold setting (protecting the diamond while giving it a classic...

Natural very light brown cushion diamond weighing 1.13 carats by GIA *Free shipping within the U.S.*

Natural GIA 1.84 Carat Fancy Dark Greenish Yellow-Brown Round Loose Diamond *Free shipping within the US

This fine GIA 9.99-carat emerald-cut Tanzanite (15 × 11.5 × 7.4 mm) is a magnificent expression of rarity, light, and transformation. Hand-selected by Merkaba Jewelry Beverly Hills, ...

1.50 Carat Round Brilliant Cut Loose Diamond GIA certified G / IF Grade Cut : Very Good Polish: Very Good Symm: EX Depth: 58.9 Stone Table: 58

Small Round Australian Boulder Opal 0.50ct Loose Gemstone Jewelry Making. Free Domestic USPS First Class Shipping! Free Gift Bag/Box with every order! Every Opal piece is Unique. W...

1.01 Round Brilliant Cut Loose Diamond GIA certified D/ SI2 Grade Cut : Good Polish: Very Good Symm: Very Good Depth: 65.5 Stone Table: 57

A magnificent 23.67 ct Natural Heart Shape Blue Sapphire, showcasing a vivid and saturated blue hue. This gemstone is of exceptional quality, with excellent brilliance, clarity, and ...

Natural fancy dark yellow brown round diamond ,Excellent shine *Free shipping within the US

Indulge in the epitome of luxury with this breathtaking GIA Certified 2.64-carat Fancy Light Pink Radiant Cut Diamond. A masterpiece of nature, this diamond radiates a soft, romantic...

A captivating rarity, this 3.25-carat Radiant Cut Fancy Brown-Pink Diamond exudes warmth and sophistication with its enchanting blend of blush-pink undertones and earthy brown hues. ...

GIA 1.03 Carat Fancy Light Gray Princess Cut Natural Loose Diamond Measures 5.55 x 5.45 x 4.01 mm *Free shipping within the U.S.*

GIA 12.21 Carat Fancy Color Oval Shape Loose Diamond Semi Translucent Color Brown-Orange

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...

GIA fancy yellow cushion shape diamond weighing 10.07 carats. Treated Clarity *Free shipping within the US

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 ...

Fancy Dark Brown-Greenish Yellow Natural Round Loose Diamond ,Nice Shine *Free shipping within the U.S.*

A diamond of remarkable presence and antique charm, this 8.06-carat Old European Cut diamond showcases the enduring beauty of vintage craftsmanship. Graded Q-R in color and VS1 in cl...

Offered loose and unmounted, this rare 8.20 carat emerald cut indicolite tourmaline is a collector level gemstone with a saturated blue green tone that shifts beautifully with the li...

Vivid 1.55 Carat Tsavorite Garnet Oval: A Rare Gemstone for Custom Jewelry & Collectors - Merkaba Beverly Hills. Presenting a 1.55 carat Tsavorite Garnet, exquisitely crafted in...

GIA Certified No Heat Ruby Cushion Shape 1.23 cts (7.55x6.06x2.61) mm

A magnificent 2 ct Natural Heart Shape Blue Sapphire, showcasing a vivid and saturated blue hue. This gemstone is of exceptional quality, with excellent brilliance, clarity, and dept...

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...

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 ...

2.25 Carat Fancy Dark Green Round Diamond. *Free shipping within the US

♥ 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...

1.01 Carat Princess Shape Natural Diamond Average Color H, Clarity I2 Measurements: 4.8 x 5 x 3.8 mm

Ultra-exclusive 13.89-carat leaf-shaped Aquamarine gemstone featuring a rare hand-carved silhouette and ocean-mist clarity. A masterpiece for fine gemstone collectors. The Sovereign...

Diamond Overview: This stunning 1.66 carat radiant cut loose diamond offers a unique combination of earthy beauty and brilliance. With a fancy brown-yellow color grade, this diamond...

Vibrant 1.96 Carat Tsavorite Garnet Cushion Gem: Design Your Dream Custom Jewelry - Merkaba Beverly Hills. Discover the unmatched brilliance of this 1.96 carat Tsavorite Garnet, off...

Fancy vivid yellow radiant cut natural diamond weighing 0.78 carats Beautiful shiny vivid color diamond *Free shipping within the US

Pear Natural Australian Black Opal 0.43 ct Loose Gemstone Jewelry Making Design. Free Domestic USPS First Class Shipping! Free Beautiful Gift Bag with every order! Every Opal piece...

Exquisite loose 1.60ct emerald-cut diamond certified by GIA with laser inscription number 1175388529. F Color and VS1 Clarity with no fluorescence. The diamond has excellent polish a...

Certified Cushion-Cut No Heat Burmese Red Spinel. Gemstone: Natural Spinel Carat Weight: 3.14 Carats Measurements: 9.87 x 7.21 x 5.08 mm. Shape: Antique Cushion Cutting Style: Facet...

**GIA Certified 8.19ct Cushion Brilliant Diamond** Discover timeless elegance with this exquisite 8.19-carat Cushion Brilliant diamond. Certified by the Gemological Institute of Ame...

GIA 1.33 Carats Natural Fancy Yellow-Brown Emerald Cut Loose Diamond *Free shipping within the U.S.*

GIA 1.07 Carat Fancy Yellow Round Loose Diamond Diamond Color: Fancy Light Brownish Greenish Yellow

Gorgeous GIA Certified 3.05 Carat Cushion Cut Natural Diamond. Color - F Clarity- SI 1 Symmetry - Very Good Fluorescence- None Our Diamond can be mounted on 18K or 14 K gold ring f...

NNJ Designs presents a 2.19 carat oval Pink Sapphire loose gemstone! This Pink Sapphire gemstone would be perfect for the jewelry setting...

Our Gorgeous 2.02 Carat Pear Shape Cut Natural Loose Diamond will be the star of any unique engagement ring design. GIA certified E / VVS1 Pol...

Behold this spectacular GIA-Certified 2.43 Carat Butterfly Cut Diamond, a truly unique gem that marries the whimsical grace of a butterfly's wings with the enduring brilliance of a n...

GIA 8.17cts Natural fancy deep brownish yellow round loose diamond *Free shipping within the U.S.*

Offered loose by Merkaba Jewelry Beverly Hills, this natural 9.27 carat rhodolite garnet presents a vivid raspberry tone with subtle violet undertones and lively brilliance. Rhodolit...

Extraordinary 2.96 Carat Red Spinel Pear-Shaped Gem from Mahenge, Tanzania: A Rare Treasure for Collectors and a Perfect Holiday Gift By Merkaba Beverly Hills. Introducing a 2.96 carat Red Spinel, masterfully cut into an elegant pear shape and sourced from the legendary mines of Mahenge, Tanzania. This exceptional gemstone, offered loose, is a collector’s dream and a romantic holiday gift for someone truly special. With its intense crimson hue, superb clarity, and rare origin, this Spinel embodies the beauty and rarity of nature’s finest creations. Whether preserved as part of a gemstone collection or transformed into bespoke jewelry, this gem promises to captivate hearts and minds. The Allure of Mahenge Red...

Natural Light brown round diamond weighing 0.76 carats. *Free shipping within the U.S.*

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...

Hakimoto By Jewel Of Ocean Round South Sea Pearl 17.7 mm Special 7.7 Grams Scecial Color South Sea Pearl Approximate

GIA natural fancy deep orange brown pear shape diamond weighing 0.15 carats.

Natural GIA 2.25 Carat Fancy Brown-Greenish Yellow Round Diamond.

Hakimoto By Jewel Of Ocean Round South Sea Pearl Pair of 16.9-17 mm White 14 Grams Australian South Sea Pearl Aproximat