Genuine Cabochons
Natural stone cabochons cut and polished for setting. Onyx, turquoise, lapis lazuli, opal, tiger eye, malachite, carnelian, jasper, moonstone, labradorite and jadeite among others. Calibrated round and oval dimensions from 3 mm through 25 x 18 mm seat in standard bezel cups and prong mounts. Closeout parcels of mixed shapes are sold by carat weight.
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Oval 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 detailsPear Genuine Opal Cabochon
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Opal is the world's most popular phenomenal gemstone, with many cultures believing that opals have supernatural origins and power. Inside each opal...
View full detailsOval Genuine Sodalite Cabochon
Otto FreiThese oval genuine sodalite cabochons offer a rich royal blue color that makes them a striking choice for rings, pendants, earrings, and other jewe...
View full detailsRound Tiger's-Eye Cabochon
Otto FreiTiger's Eye is a member of the quartz family and one of the top-selling gemstones among jewelers and metalsmiths. Its enduring popularity stems fro...
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 Snowflake Obsidian Cabochon
Otto FreiSnowflake Obsidian is named for its patches of white inclusions that resemble snowflakes. Obsidian is a naturally occurring volcanic glass, typical...
View full detailsCloseout Green Tourmaline 6mm x 4mm Cabochon
Otto FreiThis oval green tourmaline cabochon measures approximately 6 × 4 mm and is offered as a closeout item. Tourmaline is prized for its exceptionally w...
View full detailsCloseout Bag of 3 Mixed Shaped Mexican Opals
Otto FreiThese Mexican opals are naturally encased in a sandstone-like matrix for an earthy, organic look. The surrounding matrix adds stability and makes e...
View full detailsRound Genuine Aquamarine Cabochon
Otto FreiAquamarine takes its name from the Latin for "sea water," and its cool, tranquil blue reflects that origin beautifully. Ranging from light to mediu...
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 detailsOval Genuine Iron Tiger Eye Cabochon
Otto FreiOval Genuine Iron Tiger Eye Cabochons offer jewelers and metalsmiths a natural stone option with the distinctive chatoyant shimmer characteristic o...
View full detailsCloseout Assorted Bag of 3 Australian Boulder Opals
Otto FreiBoulder Opal is found exclusively in Queensland, Australia, where veins and patches of precious opal form within rugged brown ironstone boulders. T...
View full detailsCloseout No Opalescence Australian 10mm x 8mm Oval Boulder Opal
Otto FreiBoulder Opal is found exclusively in Queensland, Australia, where veins and patches of precious opal form within rugged brown ironstone boulders. T...
View full detailsAntique Buff Top Single Bevel Genuine Black Onyx
Otto FreiBlack Onyx, also known as black agate, is dyed black chalcedony. Chalcedony is composed of tiny quartz crystals not visible to the naked eye. Natur...
View full detailsOctagon Buff Top Double Bevel Genuine Black Onyx
Otto FreiBlack Onyx, also known as black agate, is dyed black chalcedony. Chalcedony is composed of microscopic quartz crystals not visible to the naked eye...
View full detailsRound Denim Lapis Cabochon
Otto FreiLapis Lazuli has been mined in the mountains of Afghanistan for more than 6,000 years — these mountains are among the world's oldest known commerci...
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 detailsCloseout Rutilated Quartz Bulk Lot of 100 Carats
Otto FreiRutilated Quartz is clear, transparent quartz that contains eye-visible golden rutile inclusions. The rutile crystals form striking needle-like for...
View full detailsOval Flat Top Double Bevel Genuine Black Onyx
Otto FreiBlack Onyx, also known as black agate, is dyed black chalcedony. Chalcedony is composed of tiny quartz crystals that are not visible to the naked e...
View full detailsRound High Domed Genuine Lapis Lazuli Cabochon, High Quality
Otto FreiLapis Lazuli has been mined in the mountains of Afghanistan for more than 6,000 years. In fact, these mountains are home to the world's oldest know...
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...
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 detailsAntique Flat Top Single Bevel Genuine Black Onyx
Otto FreiBlack Onyx, also known as black agate, is dyed black chalcedony. Chalcedony is composed of microscopic quartz crystals not visible to the naked eye...
View full detailsOval Red 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 bee...
View full detailsCushion Buff Top Genuine Hematite Cabochon
Otto FreiHematite is composed of iron oxide, exhibiting a shiny, metallic luster. A traditional favorite in men's jewelry, hematite has the highest density ...
View full detailsRound Genuine Iolite Cabochon
Otto FreiIolite is derived from the Greek word for violet, displaying a vivid violet-blue color. These round genuine iolite cabochons are strongly pleochroi...
View full detailsCloseout Pack of 50 Drilled 7mm-10mm Jadeite Beads
Otto FreiThese closeout Burmese jadeite beads are drilled and ready for custom jewelry work, offering a natural mix of white to dark green tones in a versat...
View full detailsCloseout Pack of 5 Half-Drilled 7.5mm Jadeite Beads
Otto FreiThese half-drilled Burmese Jadeite beads are old inventory closeout stock—an opportunity to acquire genuine jadeite at a reduced price. Each bead d...
View full detailsOval Rutilated Quartz Cabochon
Otto FreiOval Rutilated Quartz cabochons offer a striking combination of natural clarity and the distinctive needle-like inclusions of rutile that give this...
View full detailsOval Buff Top Genuine Hematite Cabochon
Otto FreiHematite is composed of iron oxide, exhibiting a shiny, metallic luster that has made it a traditional favorite in men's jewelry. With the highest ...
View full detailsCloseout Some Opalescence Australian 10mm x 8mm Oval Boulder Opal
Otto FreiBoulder Opal is found exclusively in Queensland, Australia, where veins and patches of precious opal form within rugged brown ironstone boulders. T...
View full detailsCloseout Aletai Etched Meteorite-10 Gram Pack
Otto FreiThe Aletai Meteorite is a genuine iron meteorite from the IIIE group, originating from Xinjiang, China. Each piece offers a rare glimpse into the f...
View full detailsRound Genuine Ruby Cabochon
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 mo...
View full detailsHeart Tiger's-Eye Cabochon
Otto FreiTiger's Eye is a member of the quartz family and one of the top-selling gemstones among jewelers and metalsmiths. Its enduring popularity stems fro...
View full detailsPear Bumble Bee Jasper
Otto FreiBumble Bee Jasper comes from the volcanic areas of Indonesia and Australia. It displays a wonderful array of yellows, blacks, greys, and oranges. E...
View full detailsHalf-drilled Lapis Lazuli Tear Drop Pair, High Quality
Otto FreiLapis Lazuli has been mined in the mountains of Afghanistan for more than 6,000 years. In fact, these mountains are home to the world's oldest know...
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