Gemstones
Loose stones for setting and repair work. Cabochons and faceted stones in genuine, lab created, simulated and assembled material, alongside diamonds, moissanite and cultured freshwater pearls. Round, oval, marquise, pear, emerald, heart, cushion, square and trillion shapes in calibrated millimeter sizes from 1 mm up. Filter by stone, shape, size and color to match an existing mounting.
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Round Faceted Genuine Peridot
Otto Frei5.0 / 5.0
2 Reviews
Named by the Egyptians as the "gem of the sun," peridot is plentiful and generally inexpensive. Ranging from transparent yellowish green to greenis...
View full detailsRound Faceted Imitation Emerald
Otto FreiDisplaying a rich emerald green, these Round Faceted Imitation Emeralds are an ideal choice for May birthstone jewelry and custom gemstone work. Ea...
View full detailsCloseout-Round Swarovski Gemstonesâ„¢ Genuine Rainforest Green Topaz
SwarovskiSwarovski Gemsâ„¢ Genuine Rainforest Green Topaz elevates natural topaz through two proprietary innovations: the Natural Brilliance Cut and the TCF (...
View full detailsOval Green Moss Agate Cabochon
Otto FreiAgate is a type of chalcedony characterized by curved and angular bands of color that vary in hue and transparency. From patterns of lace, moss, an...
View full detailsRound Faceted Chrome Diopside
Otto FreiChrome Diopside is an affordable, untreated alternative to Emerald, offering a rich green color at a fraction of the cost. Its vivid hue originates...
View full detailsRound Genuine Peridot Cabochon
Otto FreiNamed by the Egyptians as the "gem of the sun," peridot is a plentiful gemstone ranging from transparent yellowish green to greenish yellow, with t...
View full detailsRound Green Onyx Cabochon
Otto FreiGreen onyx — also known as green agate — is dyed chalcedony, a microcrystalline quartz whose individual crystals are too small to see with the nake...
View full details7mm Round Green Moss Agate Cabochon
Otto FreiAgate is a type of chalcedony characterized by curved and angular bands of color that vary in hue and transparency. From patterns of lace, moss, an...
View full detailsRound Faceted Imitation Peridot
Otto FreiThese round faceted imitation peridot stones display the characteristic lime-green color of natural peridot. Each stone is a lab-created yellow-gre...
View full detailsBloodstone Round Cabochon
Otto FreiBloodstone is a member of the Chalcedony family, recognized by its opaque dark green to brownish green background punctuated by distinctive red and...
View full detailsRound Faceted Green Quartz
Otto FreiGreen Quartz — also known as Prasiolite and sold under the trade name Greened Amethyst — is a member of the Quartz family produced by heat-treating...
View full detailsOval Cabochon Malachite
Otto FreiFrom bulls-eyes to straight and curved bands, Malachite is a distinctive, unique, and easily recognizable gemstone. Ranging from opaque bluish gree...
View full detailsRound Faceted Lab-Created Emerald
Otto FreiComposed of man-made beryl with the same chemical composition as natural emerald, these round faceted lab-created emeralds offer excellent clarity ...
View full detailsCloseout 16mm Heart Genuine Malachite Cabochons
Otto FreiFrom bull's-eyes to straight and curved bands, malachite is a distinctive and easily recognizable gemstone. Ranging from opaque bluish green to viv...
View full detailsBloodstone Oval Cabochon
Otto FreiBloodstone is a member of the Chalcedony family, prized for its opaque dark green to brownish green background accented by distinctive red and redd...
View full detailsRound Taiwan Jade Cabochon
Otto FreiHighly prized since prehistoric times, jade has been used for many purposes beyond jewelry, including tools, religious artifacts, medicine, and mus...
View full detailsOctagon Faceted Lab-Created Emerald
Otto FreiComposed of man-made beryl with the same chemical composition as natural emerald, this lab-created octagon faceted emerald delivers excellent clari...
View full detailsPear Faceted Imitation Emerald
Otto FreiDisplaying a rich emerald green, these pear-faceted imitation emerald stones are an ideal choice for May birthstone jewelry. Each stone is a synthe...
View full detailsOval Faceted Imitation Emerald
Otto FreiDisplaying a rich emerald green, these oval faceted imitation emeralds are ideal for May birthstone jewelry and emerald simulant applications. Each...
View full detailsOval Faceted Genuine Peridot
Otto FreiNamed by the Egyptians as the "gem of the sun," peridot is one of the few gemstones that occurs in only one color — a distinctive yellowish green t...
View full detailsRound Malachite Cabochon
Otto FreiFrom bull's-eyes to straight and curved bands, malachite is a distinctive and easily recognizable gemstone with a character entirely its own. Rangi...
View full detailsOval Genuine Peridot Cabochon
Otto FreiNamed by the Egyptians as the "gem of the sun," peridot is one of the few gemstones found in only one color — a distinctive yellowish green to gree...
View full details12mm x 6mm Marquise Green Moss Agate Cabochon
Otto FreiAgate is a type of chalcedony characterized by curved and angular bands of color that vary in hue and transparency. From patterns of lace, moss, an...
View full detailsEmerald Cut Faceted Lab-Created Nano Crystal Emerald
Otto FreiDisplaying a rich, vivid emerald green, this nano crystal gemstone is ideal for the birthstone of May. With a Mohs hardness of 7 to 7½ and high res...
View full detailsOval Faceted Lab-Created Emerald
Otto Frei5.0 / 5.0
1 Review
Composed of man-made beryl with the same chemical composition as natural emerald, this oval faceted lab-created emerald offers exceptional clarity ...
View full detailsEmerald Cut Faceted Imitation Emerald
Otto Frei1.0 / 5.0
1 Review
Displaying a rich emerald green, this Synthetic Spinel doublet is an ideal emerald simulant and a perfect choice for May birthstone jewelry. Each s...
View full detailsOval Green Onxy Cabochon
Otto FreiGreen onyx, also known as green agate, is dyed chalcedony — a microcrystalline quartz prized by jewelers and metalsmiths for its uniform color, smo...
View full detailsMarquise Faceted Imitation Emerald
Otto FreiDisplaying a vivid emerald green, these Marquise Faceted Imitation Emeralds are ideal for May birthstone jewelry designs. Each stone is a lab-creat...
View full detailsOval Faceted Imitation Peridot
Otto FreiThese oval faceted imitation peridot stones display the characteristic lime-green color of natural peridot. Each simulant is a lab-created yellow-g...
View full detailsRound Faceted Genuine Emerald
Otto FreiEmerald is considered the world's finest green gemstone and has been highly prized and coveted for centuries, from Cleopatra to European royalty. E...
View full detailsRound Genuine Emerald Cabochon
Otto FreiEmerald is considered the world's finest green gemstone and has been highly prized and coveted for centuries, from Cleopatra to European royalty. E...
View full detailsOval Taiwan Jade Cabochon
Otto FreiHighly prized since prehistoric times, jade has been used for many purposes beyond jewelry, including tools, religious artifacts, medicine, and mus...
View full detailsHeart Faceted Imitation Peridot
Otto FreiDisplaying the characteristic lime-green color of peridot, these heart-faceted imitation peridot stones are crafted as a lab-created yellow-green s...
View full detailsEmerald Cut Faceted Imitation Peridot
Otto FreiDisplaying the characteristic lime-green color of natural peridot, these emerald cut faceted imitation stones are crafted as a peridot simulant usi...
View full detailsSquare Faceted Imitation Emerald
Otto FreiDisplaying a rich emerald green, this Synthetic Spinel doublet is ideal as a May birthstone simulant. Each stone is composed of two layers of Synth...
View full detailsOval Genuine 14x10mm Nephrite Jade Cabochon
Otto FreiOval Genuine 14x10mm Nephrite Jade Cabochon is a natural gemstone cabochon suited for professional jewelers, metalsmiths, and designers seeking a c...
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