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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Closeout Rose Cut Tourmaline 10-10.15 Carat Assorted Bag 4-5 Stones
Otto FreiThis assorted bag of natural rose-cut tourmaline offers jewelers and metalsmiths a versatile selection of genuine faceted gemstones at closeout val...
Visualizza tutti i dettagliPack-5 Rock Deco Natural Rose Cut Diamonds-1.3mm White
Otto FreiFor the first time, you can buy calibrated sizes of these natural rose cut diamonds. Offered in a convenient pack of 5, these 1.3mm white rose cut ...
Visualizza tutti i dettagliRound Synthetic Canary Yellow 5mm Cubic Zirconia
Otto FreiThis Round Synthetic Canary Yellow Cubic Zirconia delivers strong brilliance and a premium cut, making it an ideal choice for statement jewelry, as...
Visualizza tutti i dettagliPear Faceted Lab-Created Ruby
Otto Frei5.0 / 5.0
1 Revisione
Crafted from man-made corundum with the same chemical composition and durability as natural ruby, these pear faceted lab-created rubies offer excep...
Visualizza tutti i dettagliRound Faceted Genuine Smoky Quartz
Otto Frei5.0 / 5.0
1 Revisione
Smoky Quartz is a widely available and affordable genuine gemstone with a long history of popularity, particularly during the Victorian era. Often ...
Visualizza tutti i dettagliRound Faceted Genuine Ruby
Otto FreiKnown as the "King of Gems" in Sanskrit, ruby is one of the most desired and valuable gemstones, prized as far back as biblical times. Ruby is the ...
Visualizza tutti i dettagliRound Faceted Genuine Aquamarine
Otto FreiAquamarine takes its name from the Latin word for "sea water," displaying a cool blue that ranges from greenish blue to blue-green. A member of the...
Visualizza tutti i dettagliRound Peach Moonstone Cabochon
Otto FreiMoonstone is a member of the feldspar group mineral orthoclase and consists of alternating layers of the minerals albite and orthoclase. When light...
Visualizza tutti i dettagliOval Blue Onyx Cabochon
Otto FreiBlue onyx, also known as blue agate, is dyed chalcedony — a microcrystalline quartz prized by jewelers and gem artists for its smooth, uniform tran...
Visualizza tutti i dettagliRound 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...
Visualizza tutti i dettagliCloseout Pack of 6 Cubic Zirconia 10x10mm-Square
Otto FreiA unique and striking cut featuring one large 10mm square with the table faceted into 9 smaller squares, this Cubic Zirconia stone delivers excepti...
Visualizza tutti i dettagli12mm x 10mm Oval Peach Moonstone Cabochon
Otto Frei5.0 / 5.0
1 Revisione
Moonstone is a member of the feldspar group mineral orthoclase, consisting of alternating layers of the minerals albite and orthoclase. When light ...
Visualizza tutti i dettagliRound Rose Cut Genuine Hematite Cabochon
Otto FreiGenuine hematite cabochon in a classic round rose cut, ideal for rings, cufflinks, pendants, and men's jewelry. Its black opaque body and metallic ...
Visualizza tutti i dettagliOval Bumble Bee Jasper
Otto FreiBumble Bee Jasper cabochons display a striking array of yellows, blacks, greys, and oranges, making each stone a truly unique addition to any jewel...
Visualizza tutti i dettagliPear Faceted Imitation Blue Zircon
Otto FreiThis lab-created blue spinel displays the ocean blue shade of zircon without its characteristic brittleness. Crafted as a zircon simulant, these pe...
Visualizza tutti i dettagliMarquise Faceted Lab-Created Ruby
Otto FreiComposed of man-made corundum with the same chemical composition and durability as natural ruby, these marquise faceted lab-created rubies offer ex...
Visualizza tutti i dettagliSquare Faceted Imitation Pink Tourmaline
Otto FreiThis Pink Tourmaline simulant is composed of lab-created synthetic pink corundum, offering a rich rose pink hue that closely resembles natural pink...
Visualizza tutti i dettagliRound Faceted Imitation Amethyst
Otto FreiThis Round Faceted Imitation Amethyst is composed of a lab-created synthetic spinel doublet, exhibiting a light to medium purple color that mimics ...
Visualizza tutti i dettagliPear Genuine Faceted Garnet
Otto FreiGarnet is not a single mineral but a group of closely related minerals sharing the same crystal structure while varying in chemical composition. Re...
Visualizza tutti i dettagliOval Tiger's-Eye Cabochon
Otto FreiTiger's Eye is a member of the quartz family and one of the most popular gemstones in the lapidary and jewelry trade — prized for its accessibility...
Visualizza tutti i dettagliHeart Faceted Imitation Pink Tourmaline
Otto FreiThis Pink Tourmaline simulant delivers the rosy hue of natural tourmaline in a durable, lab-created Corundum construction. With a Mohs hardness rat...
Visualizza tutti i dettagliRound Moissanite - 9mm
Otto FreiMoissanite is one of the most brilliant gemstone simulants available to the jewelry trade. All moissanite used in the jewelry industry is synthetic...
Visualizza tutti i dettagliPack-2 Round Created Diamond-2.50mm
Otto FreiFull Cut Created Round Diamond Melee — 2.50mm, Sold in a Pack of 2These 2.50mm round created diamond melee stones are an excellent choice for accen...
Visualizza tutti i dettagliPack-3 Round Lab Grown Diamond-2mm
Otto FreiThis pack of three 2.0 mm full cut lab grown round diamond melee offers bright, consistent sparkle for accent settings, side stones, or detailed pa...
Visualizza tutti i dettagliRound Purple Mosaic Turquoise Cabochons
Otto FreiMosaic Purple Turquoise cabochons offer a striking visual appeal, combining the rich color of dyed Kingman American turquoise with an intricate bro...
Visualizza tutti i dettagliOctagon Faceted Lab-Created Blue Sapphire
Otto FreiThese octagon faceted lab-created blue sapphires are composed of man-made corundum sharing the same chemical composition and physical durability as...
Visualizza tutti i dettagliOctagon 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...
Visualizza tutti i dettagliCloseout Round Rose-cut Genuine Tiger's-Eye
Otto FreiTiger's Eye is part of the quartz family and is a popular gem due to being readily available, inexpensive, and ideal for everyday wear. Tiger's Eye...
Visualizza tutti i dettagliPear 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...
Visualizza tutti i dettagliOval Faceted Imitation Pink Tourmaline
Otto FreiThis pink tourmaline simulant is crafted from lab-created synthetic pink corundum, delivering a rich rose pink hue with the exceptional durability ...
Visualizza tutti i dettagliOval Faceted Imitation Sapphire
Otto FreiMimicking the royal blue color of natural sapphire, these oval faceted imitation sapphires are composed of lab-created blue spinel. Designed as a s...
Visualizza tutti i dettagliOval 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...
Visualizza tutti i dettagliEmerald Cut Faceted Imitation Sapphire
Otto FreiMimicking the royal blue color of natural sapphire, these emerald cut faceted imitation sapphires are composed of lab-created blue spinel. Offered ...
Visualizza tutti i dettagliSquare Faceted Imitation Blue Zircon
Otto FreiThis lab-created blue Spinel displays the ocean blue shade of zircon without its characteristic brittleness. Composed of synthetic Spinel, these sq...
Visualizza tutti i dettagliSquare Faceted Imitation Aquamarine
Otto FreiSimulating the soft, light sky blue of natural Aquamarine, these square faceted stones are composed of lab-created Blue Spinel. Offered in calibrat...
Visualizza tutti i dettagliRound Faceted Genuine Sky Blue Topaz
Otto FreiSky Blue Topaz is the trade name used to describe a bright, light blue hue of topaz. This gem is a great alternative to aquamarine, offering more i...
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