Cabochons
Dome topped stones with flat backs, cut for bezel and channel settings. Genuine material such as onyx, turquoise, lapis lazuli, opal, tiger eye and malachite, alongside lab created sapphire and ruby and assembled opal triplets. Calibrated round and oval sizes run from 3 mm through 25 x 18 mm, with freeform closeout lots sold by weight.
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Cushion Buff 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 Genuine Aquamarine Cabochon
Otto FreiAquamarine takes its name from the Latin for "sea water," displaying a cool blue that ranges from greenish blue to blue-green. A member of the Bery...
View full detailsCloseout Druzy Quartz White Opal Oval 20mm x 15mm
Otto FreiDruzy Quartz adds a colorful, glittery texture to any jewelry at an affordable cost. The term "Druzy" refers to clusters of tiny crystals that form...
View full details12mmx 10mm Cushion Buff Top Genuine Lapis Lazuli Cabochon, High Quality
Otto FreiLapis Lazuli has been mined in the mountains of Afghanistan for more than 6,000 years — these mountains are the world's oldest known commercial gem...
View full detailsOval 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 detailsOval Azurite Cabochon
Otto FreiAzurite Malachite is rarely available in calibrated sizes due to the natural rarity of the stone and its striking combination of blue and green col...
View full detailsCloseout Jadeite Beads Strand
Otto FreiThis closeout Burmese jadeite bead strand features a natural mix of white to dark green tones in a versatile graduated 7–10 mm size range. The smoo...
View full detailsCloseout Aletai Etched Meteorite-12 Gram Packs
Otto FreiBring the cosmos into your work with genuine Aletai Etched Meteorite, sold in packs of 3 stones totaling approximately 12 grams. Sourced from the A...
View full detailsCushion Flat Top Double Bevel Genuine Black Onyx With Hole
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 detailsCloseout Druzy Quartz White Opal Oval 18mm x 13mm
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Druzy Quartz adds a colorful, glittery texture to any jewelry at an affordable cost. The term "Druzy" refers to clusters of tiny crystals that form...
View full detailsFine Quality 6x4mm Oval Sunstone Cabochon
Otto FreiOregon Sunstone is a natural, all-American gem sourced exclusively from mines in the state of Oregon and received no treatment of any kind. A membe...
View full detailsPear Tiger's-Eye Cabochon
Otto FreiTiger's Eye is part of the quartz family and a consistently popular gem for jewelry making—readily available, inexpensive, and durable enough for e...
View full detailsOval Picture Jasper Cabochon
Otto FreiJasper is an opaque chalcedony that can display a variety of colors and patterns, making each stone unique and one-of-a-kind. Picture Jasper tends ...
View full detailsRound 5mm Genuine Red Aventurine Cabochon
Otto FreiAdd a rich, natural accent to your jewelry work with this Genuine Red Aventurine Cabochon. Measuring 5mm in a smooth round shape, this cabochon off...
View full detailsOval Genuine Azurite Cabochon
Otto FreiAzurite Malachite is rarely found in calibrated sizes due to the unique nature of the stone and its distinctive green and blue coloration. This mat...
View full detailsRound Genuine Blue Sapphire Cabochon
Otto FreiSapphire is one of the most popular colored stones in the United States, prized for its extraordinary durability and suitability for everyday wear....
View full detailsCloseout Aqua 10ct Cabochons Assorted Shapes Bag of 4-6 Stones
Otto FreiAquamarine takes its name from the Latin for "sea water," displaying a cool blue that ranges from greenish blue to blue-green. A member of the Bery...
View full detailsCloseout Oval Genuine 9mm x 7mm Aquamarine Cabochon
Otto FreiAquamarine takes its name from the Latin for "sea water," displaying a cool blue that ranges from greenish blue to blue-green. A member of the Bery...
View full detailsCloseout Oval Genuine 8mm x 6mm Aquamarine Cabochon
Otto FreiAquamarine takes its name from the Latin for "sea water," displaying a cool blue that ranges from greenish blue to blue-green. A member of the Bery...
View full detailsCloseout Pear Genuine 11mm x 9mm Aquamarine Cabochon
Otto FreiAquamarine takes its name from the Latin for "sea water," displaying a cool blue that ranges from greenish blue to blue-green. A member of the Bery...
View full detailsCloseout Round Genuine 10mm Aquamarine Cabochon
Otto FreiAquamarine takes its name from the Latin for "sea water," displaying a cool blue that ranges from greenish blue to blue-green. A member of the Bery...
View full detailsCloseout No Opalescence Australian 25mm x 18mm 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 No Opalescence Australian 30mm x 20mm 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 Oval Bloodstone Bulk Lot of 150 Carats
Otto FreiBloodstone is a member of the Chalcedony family, recognized by its opaque dark green to brownish green background accented with distinctive red and...
View full detailsOval Genuine 12mm x 10mm Muonionalusta Meteorite Cabochon
Otto FreiThe Muonionalusta Meteorite is a rare iron meteorite that fell to Earth over one million years ago, originating from the core of a celestial body. ...
View full detailsAntique 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 detailsOval Flat Top Double Bevel Genuine Black Onyx With Hole
Otto FreiBlack Onyx, also known as black agate, is dyed black chalcedony. Chalcedony is composed of microscopic quartz crystals that are not visible to the ...
View full detailsOval Buff 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 detailsOctagon Flat Top Single Bevel Genuine Black Onyx
Otto FreiBlack Onyx, also known as black agate, is dyed black chalcedony. Chalcedony is composed of tiny crystals of quartz that are not visible to the nake...
View full detailsCushion Flat Top Single Bevel Genuine Black Onyx With Hole
Otto FreiBlack Onyx, also known as black agate, is dyed black chalcedony. Chalcedony is composed of tiny crystals of quartz that are not visible to the nake...
View full detailsDruzy Quartz Blue Oval 18mm x 13mm
Otto FreiDruzy Quartz adds a colorful, glittery texture to any jewelry at an affordable cost. The term "Druzy" refers to clusters of tiny crystals that form...
View full detailsOval Genuine Red Aventurine Cabochon
Otto FreiOval genuine red aventurine cabochons are a striking choice for jewelers and metalsmiths seeking a natural stone with rich color and sparkling visu...
View full detailsCloseout Oval Genuine 12mm x 10mm Aquamarine Cabochon
Otto FreiAquamarine takes its name from the Latin for "sea water," displaying a cool blue that ranges from greenish blue to blue-green. A member of the Bery...
View full detailsCloseout Oval Genuine 11mm x 9mm Aquamarine Cabochon
Otto FreiAquamarine takes its name from the Latin for "sea water," displaying a cool blue that ranges from greenish blue to blue-green. A member of the Bery...
View full detailsCloseout Pear Genuine 10mm x 8mm Aquamarine Cabochon
Otto FreiAquamarine takes its name from the Latin for "sea water," displaying a cool blue that ranges from greenish blue to blue-green. A member of the Bery...
View full detailsOval Genuine 16mm x 12mm Muonionalusta Meteorite Cabochon
Otto FreiThe Muonionalusta Meteorite Cabochon is a rare and remarkable gemstone material sourced from one of Earth's oldest known meteorite strikes. This ir...
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