American Loose Gemstones

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 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 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.*

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

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

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...

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...

Diamond Size: 1.29 carats (the weight of the diamond). Shape: Round (the cut of the diamond). Average Color: H-I Average Clarity: SI2 (Slightly Included, which means the diamond ...

An exceptional 3.68-carat Kashmir sapphire, prized for its rich, velvety blue hue and subtle inner glow. Cut in an elegant octagonal step cut, the stone displays clean lines and refi...

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...

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

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...

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...

1.12 ct round brilliant cut loose natural 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, ...

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...

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

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...

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

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...

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 ...

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...

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...

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...

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...

An exceptional 14.68 carat Fall bicolor tourmaline offered unmounted for the discerning collector. This rare gemstone displays natural color zoning with autumn inspired tones that ca...

**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...

This GIA-Certified 3.01 Carat Asscher Cut loose diamond is a magnificent, near-colorless gem known for its exceptional clarity and vintage appeal. The Asscher cut, a square step cut ...

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...

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

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...

Merkaba Jewelry Beverly Hills presents a lively 5.15 carat chrysoberyl, offered as a loose, unmounted gemstone for collectors and bespoke jewelry design. Cut in a classic cushion sha...

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...

Merkaba Jewelry Beverly Hills presents an exceptional 3.80 carat pink tourmaline, offered loose and unmounted for collectors and bespoke jewelry creation. Expertly fashioned in a rar...

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...

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

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

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

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

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

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...

Merkaba Jewelry Beverly Hills presents an exquisite matched pair of light bluish green tourmalines, offered as loose, unmounted gemstones...

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

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...

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...

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

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

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...

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

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 ...

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...

GIA 0.50 Carat Light Yellow Brilliant Marquise Shape Natural Diamond Diamond Color: Light yellow

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...

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...

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

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

Merkaba Jewelry Beverly Hills presents an exclusive matched pair of Brazilian Imperial Topaz, offered loose and unmounted for collectors and bespoke jewelry creation. With a combined total weight of 8.26 carats, these oval cut gemstones are selected for their refined symmetry, warm golden glow, and elevated presence, making them ideal for a one of a kind custom design. Both stones are described as loupe clean, with no visible inclusions under 10x magnification, allowing crisp brilliance and clean light return. The oval cut brings a timeless silhouette that wears beautifully in earrings, a two stone pendant, or a balanced toi et moi concept. This pair is a collector level offering with color, clarity, and versatility that translate seamlessly into high jewelry. Offered unmounted, these Imperial Topaz gemstones are ready for our Design Your Dream service, with settings available in platinum or 18K gold upon request, with or without diamond accents. Details Gemstone: Imperial Topaz Origin: Brazil (as provided) Carat weight: 8.26 carats total Cut: Oval Clarity description: Loupe clean (as provided) Offered as: Loose gemstones, unmounted Condition: New Custom Jewelry...

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...