American Loose Gemstones

Stone Creation - Natural Shape - Round Brilliant Cut Measurements - 9.96 - 10.01 x 6.28 mm Weight - 4.02 Carat Color - K Clarity - SI1 Cut - Very Good Symmetry - Very Good Polish - E...

This item is offered on consignment on behalf of a client; all serious and reasonable offers are presented for consideration, and we work diligently to achieve a mutually agreeable o...

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

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

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

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...

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

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 magnificent 14.72ct Natural Cushion Shape Blue Sapphire, showcasing a vivid and saturated blue hue. This gemstone is of exceptional quality, with excellent brilliance, clarity, and...

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

Stone Creation - Natural Shape - Circular Brilliant Cut Measurements - 9.66 - 9.79 x 5.53 mm Weight - 3.25 Carat Color - K, Faint Brown, face up white and beautiful Clarity - VS2 Po...

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...

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

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...

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

Stone Creation - Natural Shape - Round Brilliant Cut Measurements - 9.41 - 9.49 x 5.89 mm Weight - 3.19 Carat Color - J Clarity - VS1 Cut - Excellent Polish - Very Good Symmetry - V...

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 GIA-certified Natural Round Brilliant Cut diamond is a stunning piece of jewelry. Stone Creation - Natural Shape - Round Brilliant Cut Measurements - 10.16 - 10.23 x 6.24 mm We...

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...

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...

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

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...

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...

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...

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...

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 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 ...

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

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...

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...

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...

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...

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...

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 ...

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...

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

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 ...

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

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

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...

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. ...

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 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 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...

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...

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 rare 1.49 carat greenish yellow chrysoberyl, offered loose and unmounted for collectors and bespoke jewelry...

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...

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 17.54 carat greenish yellow tourmaline is an impressive collector stone with a refined emerald cut that emphasizes clarity, geome...

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...

Hakimoto Pair Of 18 mm Round Silver Naget Tahiti Baroque Pearl 14.2 Grams Aproximate

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...

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 ...

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...

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...

NNJ Designs presents a 6.95 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 ...