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 Imitation Pink Tourmaline
Otto Frei5.0 / 5.0
1 Review
This Pink Tourmaline simulant is composed of lab-created synthetic pink corundum, displaying a beautiful rose pink hue that closely mimics the appe...
View full detailsOval Rose Quartz Cabochon
Otto FreiRose Quartz derives its name from its distinctive pastel pink appearance, ranging from very light to medium-dark pink. Known as the "love stone," t...
View full detailsCloseout-Round Swarovski Gemstonesâ„¢ Genuine Pink Topaz
SwarovskiSwarovski Gemsâ„¢ Genuine Pink Topaz elevates the natural beauty of topaz through precision cutting and innovative color treatment. Each stone featur...
View full detailsCloseout 12mm Round Rose Quartz Strand
Otto Frei5.0 / 5.0
1 Review
Add a soft, romantic touch to your jewelry line with this closeout strand of round rose quartz beads. Each strand contains 34–35 beads ranging from...
View full detailsCloseout Lapis Lazuli 150Ct Cabochons
Otto FreiThese Lapis Lazuli cabochons are offered as a closeout lot, making them an excellent value for jewelers, metalsmiths, and resellers looking to stoc...
View full detailsRound Rose Quartz Cabochon
Otto FreiRose Quartz derives its name from its pastel pink appearance, ranging from very light to medium-dark pink. Known as the "love stone," this gem has ...
View full detailsRound Rose-Cut Marcasite
Otto FreiWith a polished metallic, mirror-like appearance, marcasite is a classic choice for antique-style and silver jewelry. Made from a form of pyrite th...
View full detailsCloseout 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...
View full detailsPack-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 ...
View full detailsRound 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 ...
View full detailsSquare 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...
View full detailsHeart 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...
View full detailsCloseout 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...
View full detailsOval 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 ...
View full detailsRound Angel Skin Coral Cabochon
Otto FreiCoral is an organic gem composed of the external skeletons of coral polyps. Formed from calcium carbonate with no crystal structure, coral has been...
View full detailsRock Deco Natural Rose Cut Diamonds-3mm White AAA
Otto FreiFor the first time, calibrated sizes of these natural rose cut diamonds are available for professional jewelers and metalsmiths. Offered in 3mm, AA...
View full detailsOval Unakite Cabochon
Otto FreiOval Unakite Cabochons offer jewelers and metalsmiths a striking natural stone with a rich, multi-toned palette. Unakite is an opaque stone compose...
View full detailsCultured Freshwater Half-Drilled Rose Pearl
Otto FreiFrom ancient China, where pearls were believed to protect against fire and dragons, to Europe, where they symbolized modesty and purity, pearls hav...
View full detailsPack-5 Rock Deco Natural Rose Cut Diamonds-2mm White
Otto FreiFor the first time, jewelers and metalsmiths can source calibrated sizes of natural rose cut diamonds in convenient packs of five. These 2mm white ...
View full detailsCloseout-Round Swarovski Gemstonesâ„¢ Genuine Faceted 1mm Bright Blue & Pink Sapphires | OttoFrei.com
SwarovskiSold by the piece, these Round Swarovski Gemstonesâ„¢ Genuine Faceted Sapphires offer exceptional quality in a 1mm diameter. Available in Bright Blue...
View full detailsEmerald Cut Faceted Imitation Pink Tourmaline
Otto FreiThis Pink Tourmaline simulant is crafted from lab-created synthetic pink corundum, offering a rich rose pink hue that closely mimics the appearance...
View full detailsRound Rose Cut Lab-Created 10mm Blue Sapphire
Otto FreiThis Round Rose Cut Lab-Created Blue Sapphire is composed of man-made corundum sharing the same chemical composition and physical durability as nat...
View full detailsPack-5 Rock Deco Natural Rose Cut Diamonds-2mm Yellow
Otto FreiFor the first time, jewelers and metalsmiths can purchase calibrated sizes of these natural rose cut diamonds in yellow. Please note that color wil...
View full detailsPack-3 Rock Deco Natural Rose Cut Diamonds-3mm White
Otto FreiFor the first time, you can buy calibrated sizes of these natural rose cut diamonds, now available in convenient packs of 3. These 3mm white rose c...
View full detailsRound Faceted Pink Amethyst
Otto FreiPink Amethyst, also known as Rose De France, is amethyst that displays a pale pink to lavender color. Part of the quartz family, amethyst is the mo...
View full detailsOval Genuine Pink Opal Cabochon
Otto FreiOpal is the world's most popular phenomenal gemstone, with many cultures believing that opals have supernatural origins and powers. These Oval Genu...
View full detailsPack-5 Rock Deco Natural Rose Cut Diamonds-2.2mm Grey
Otto FreiFor the first time, jewelers and designers can source calibrated natural rose cut diamonds in consistent sizes. These 2.2mm grey rose cut diamonds ...
View full detailsPear Faceted Imitation Pink Tourmaline
Otto FreiThis Pink Tourmaline simulant is crafted from lab-created synthetic pink corundum, offering a rich rose pink hue that closely replicates the appear...
View full detailsPack-5 Rock Deco Natural Rose Cut Diamonds-1.3mm Yellow
Otto FreiFor the first time, professional jewelers and designers can purchase calibrated sizes of natural rose cut diamonds in yellow. These striking stones...
View full detailsRock Deco Natural Rose Cut Diamonds-4mm Yellow
Otto FreiFor the first time, you can buy calibrated sizes of these natural rose cut diamonds in yellow. Each stone is individually cut, so color will vary f...
View full detailsPack-3 Rock Deco Natural Rose Cut Diamonds-3mm Yellow
Otto FreiFor the first time, jewelers and designers can source calibrated natural rose cut diamonds in consistent sizes. These 3mm yellow rose cut diamonds ...
View full detailsRock Deco Natural Rose Cut Diamonds-5mm Grey
Otto FreiFor the first time, professional jewelers can source calibrated 5mm grey natural rose cut diamonds in consistent sizes. These stunning stones featu...
View full detailsRock Deco Natural Rose Cut Diamonds-4mm Grey
Otto FreiFor the first time, professional jewelers can source calibrated 4mm grey natural rose cut diamonds in consistent sizes. These stunning grey diamond...
View full detailsPack-3 Rock Deco Natural Rose Cut Diamonds-3mm Grey
Otto FreiFor the first time, professional jewelers can source calibrated 3mm grey natural rose cut diamonds in convenient packs of three. These diamonds are...
View full detailsRock Deco Natural Rose Cut Diamonds-4mm White
Otto FreiFor the first time, you can buy calibrated sizes of these natural rose cut diamonds. Available in 4mm white, these stones are cut to a tolerance of...
View full detailsOval Rose Cut Genuine Hematite Cabochon
Otto FreiGenuine hematite cabochon in a classic oval rose cut, ideal for rings, pendants, cufflinks, and men's jewelry. Its black opaque body and bright met...
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