Skip to content
Contact Us Jewelry School Partners Frequently Asked Questions Submit Tax Exemption Quick Order

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.

Filters

Oval Genuine 14mm x 10mm Muonionalusta Meteorite Cabochon
10+ Supplies & Gravers, Get 12% Off

Oval Genuine 14mm x 10mm Muonionalusta Meteorite Cabochon

Otto Frei
Part # 935-044
$0.00 - $0.00
$0.00
$94.75
$94.75 - $94.75
$94.75

The 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 details
$0.00 - $0.00
$0.00
$94.75
$94.75 - $94.75
$94.75
Oval Genuine 10mm x 8mm Muonionalusta Meteorite Cabochon
10+ Supplies & Gravers, Get 12% Off

Oval Genuine 10mm x 8mm Muonionalusta Meteorite Cabochon

Otto Frei
Part # 935-038
$0.00 - $0.00
$0.00
$64.75
$64.75 - $64.75
$64.75

The Muonionalusta Meteorite Cabochon is a rare and extraordinary gemstone material sourced from one of the oldest known meteorites on Earth. This i...

View full details
$0.00 - $0.00
$0.00
$64.75
$64.75 - $64.75
$64.75
Oval Genuine 8mm x 6mm Muonionalusta Meteorite Cabochon
10+ Supplies & Gravers, Get 12% Off

Oval Genuine 8mm x 6mm Muonionalusta Meteorite Cabochon

Otto Frei
Part # 935-034
$0.00 - $0.00
$0.00
$53.75
$53.75 - $53.75
$53.75

The 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 details
$0.00 - $0.00
$0.00
$53.75
$53.75 - $53.75
$53.75
Oval Genuine 10x8mm Nephrite Jade Cabochon
10+ Supplies & Gravers, Get 12% Off

Oval Genuine 10x8mm Nephrite Jade Cabochon

Otto Frei
Part # 928-NJ108
$0.00 - $0.00
$0.00
$15.00
$15.00 - $15.00
$15.00

Oval Genuine 10x8mm Nephrite Jade Cabochon is a natural stone cabochon ideal for setting into rings, pendants, brooches, and other fine jewelry pro...

View full details
$0.00 - $0.00
$0.00
$15.00
$15.00 - $15.00
$15.00
Antique Flat Top Double Bevel Genuine Black Onyx with Hole
10+ Supplies & Gravers, Get 12% Off

Antique Flat Top Double Bevel Genuine Black Onyx with Hole

Otto Frei
Part # 947-143
$5.00 - $5.00
$5.00
$5.00 - $5.00
$5.00

Black 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 details
$5.00 - $5.00
$5.00
$5.00 - $5.00
$5.00
Octagon Flat Top Double Bevel Genuine Black Onyx
10+ Supplies & Gravers, Get 12% Off

Octagon Flat Top Double Bevel Genuine Black Onyx

Otto Frei
Part # Varies
$4.65 - $9.00
$4.65 - $9.00
$4.65 - $9.00
$4.65

Black 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 details
$4.65 - $9.00
$4.65 - $9.00
$4.65 - $9.00
$4.65
Cushion Buff Top Double Bevel Genuine Black Onyx
10+ Supplies & Gravers, Get 12% Off

Cushion Buff Top Double Bevel Genuine Black Onyx

Otto Frei
Part # Varies
$3.48 - $5.25
$3.48 - $5.25
$3.48 - $5.25
$3.48

Black 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 details
$3.48 - $5.25
$3.48 - $5.25
$3.48 - $5.25
$3.48
Druzy Quartz Black Oval 20mm x 15mm
10+ Supplies & Gravers, Get 12% Off

Druzy Quartz Black Oval 20mm x 15mm

Otto Frei
Part # 939-620
$0.00 - $0.00
$0.00
$28.96
$28.96 - $28.96
$28.96

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 details
$0.00 - $0.00
$0.00
$28.96
$28.96 - $28.96
$28.96
Closeout Pyramid Cushion 10mm Aquamarine Cabochon
Closeout: Sold As Is

Closeout Pyramid Cushion 10mm Aquamarine Cabochon

Otto Frei
Part # 990-158
$120.00
$120.00 - $120.00
$120.00
$59.95
$59.95 - $59.95
$59.95
List Price: $120.00

Aquamarine 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 details
$120.00
$120.00 - $120.00
$120.00
$59.95
$59.95 - $59.95
$59.95
Closeout Pyramid Cushion 9mm Aquamarine Cabochon
Closeout: Sold As Is

Closeout Pyramid Cushion 9mm Aquamarine Cabochon

Otto Frei
Part # 990-157
$105.00
$105.00 - $105.00
$105.00
$52.45
$52.45 - $52.45
$52.45
List Price: $105.00

Aquamarine 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 details
$105.00
$105.00 - $105.00
$105.00
$52.45
$52.45 - $52.45
$52.45
Closeout Oval Genuine 10mm x 8mm Aquamarine Cabochon
Closeout: Sold As Is

Closeout Oval Genuine 10mm x 8mm Aquamarine Cabochon

Otto Frei
Part # 990-141
$70.00
$70.00 - $70.00
$70.00
$32.95
$32.95 - $32.95
$32.95
List Price: $70.00

Aquamarine 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 details
$70.00
$70.00 - $70.00
$70.00
$32.95
$32.95 - $32.95
$32.95
Closeout Round Genuine 11mm Aquamarine Cabochon
Closeout: Sold As Is

Closeout Round Genuine 11mm Aquamarine Cabochon

Otto Frei
Part # 990-131
$140.00
$140.00 - $140.00
$140.00
$69.95
$69.95 - $69.95
$69.95
List Price: $140.00

Aquamarine 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 details
$140.00
$140.00 - $140.00
$140.00
$69.95
$69.95 - $69.95
$69.95
Closeout Round Genuine 9mm Aquamarine Cabochon
Closeout: Sold As Is

Closeout Round Genuine 9mm Aquamarine Cabochon

Otto Frei
Part # 990-129
$75.00
$75.00 - $75.00
$75.00
$37.45
$37.45 - $37.45
$37.45
List Price: $75.00

Aquamarine 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 details
$75.00
$75.00 - $75.00
$75.00
$37.45
$37.45 - $37.45
$37.45
Closeout Some Opalescence Australian 25mm x 18mm Oval Boulder Opal
Closeout: Sold As Is

Closeout Some Opalescence Australian 25mm x 18mm Oval Boulder Opal

Otto Frei
Part # 990.318
$49.00
$49.00 - $49.00
$49.00
$35.00
$35.00 - $35.00
$35.00
List Price: $49.00

Boulder Opal forms exclusively in Queensland, Australia, where precious opal develops as veins and patches within rugged brown ironstone boulders. ...

View full details
$49.00
$49.00 - $49.00
$49.00
$35.00
$35.00 - $35.00
$35.00
Closeout Some Opalescence Australian 30mm x 20mm Oval Boulder Opal
Closeout: Sold As Is

Closeout Some Opalescence Australian 30mm x 20mm Oval Boulder Opal

Otto Frei
Part # 990.322
$63.00
$63.00 - $63.00
$63.00
$45.00
$45.00 - $45.00
$45.00
List Price: $63.00

Boulder Opal is found exclusively in Queensland, Australia, where veins and patches of precious opal form within rugged brown ironstone boulders. T...

View full details
$63.00
$63.00 - $63.00
$63.00
$45.00
$45.00 - $45.00
$45.00
Oval Genuine 12x10mm Nephrite Jade Cabochon
10+ Supplies & Gravers, Get 12% Off

Oval Genuine 12x10mm Nephrite Jade Cabochon

Otto Frei
Part # 928-NJ121
$0.00 - $0.00
$0.00
$18.75
$18.75 - $18.75
$18.75

Oval Genuine 12x10mm Nephrite Jade Cabochon is a natural stone cabochon cut to a classic oval profile, ideal for setting in rings, pendants, brooch...

View full details
$0.00 - $0.00
$0.00
$18.75
$18.75 - $18.75
$18.75
Oval Genuine 9x7mm Nephrite Jade Cabochon
10+ Supplies & Gravers, Get 12% Off

Oval Genuine 9x7mm Nephrite Jade Cabochon

Otto Frei
Part # 928-NJ97
$0.00 - $0.00
$0.00
$13.50
$13.50 - $13.50
$13.50

Oval Genuine 9x7mm Nephrite Jade Cabochon is a classic cut stone for jewelers and metalsmiths seeking a natural, ready-to-set gem. Each cabochon fe...

View full details
$0.00 - $0.00
$0.00
$13.50
$13.50 - $13.50
$13.50
Cushion Buff Top Double Bevel Genuine Black Onyx With Hole
10+ Supplies & Gravers, Get 12% Off

Cushion Buff Top Double Bevel Genuine Black Onyx With Hole

Otto Frei
Part # Varies
$5.32 - $6.25
$5.32 - $6.25
$5.32 - $6.25
$5.32

Black 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 details
$5.32 - $6.25
$5.32 - $6.25
$5.32 - $6.25
$5.32
Oval Buff Top Double Bevel Genuine Black Onyx With Hole
10+ Supplies & Gravers, Get 12% Off

Oval Buff Top Double Bevel Genuine Black Onyx With Hole

Otto Frei
Part # Varies
$3.65 - $5.50
$3.65 - $5.50
$3.65 - $5.50
$3.65

Black 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 details
$3.65 - $5.50
$3.65 - $5.50
$3.65 - $5.50
$3.65
Cushion Flat Top Single Bevel Genuine Black Onyx
Sold out
10+ Supplies & Gravers, Get 12% Off

Cushion Flat Top Single Bevel Genuine Black Onyx

Otto Frei
Part # Varies
$6.00 - $8.50
$6.00 - $8.50
$6.00 - $8.50
$6.00

Black Onyx — also known as black agate — is dyed black chalcedony. Chalcedony is composed of microscopic quartz crystals not visible to the naked e...

View full details
$6.00 - $8.50
$6.00 - $8.50
$6.00 - $8.50
$6.00
Sold out
Cushion Buff Top Single Bevel Genuine Black Onyx With Hole
Sold out
10+ Supplies & Gravers, Get 12% Off

Cushion Buff Top Single Bevel Genuine Black Onyx With Hole

Otto Frei
Part # Varies
$6.50 - $7.50
$6.50 - $7.50
$6.50 - $7.50
$6.50

Black 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 details
$6.50 - $7.50
$6.50 - $7.50
$6.50 - $7.50
$6.50
Sold out
Oval Buff Top Double Bevel Genuine Black Onyx
10+ Supplies & Gravers, Get 12% Off

Oval Buff Top Double Bevel Genuine Black Onyx

Otto Frei
Part # Varies
$4.50 - $7.50
$4.50 - $7.50
$4.50 - $7.50
$4.50

Black 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 details
$4.50 - $7.50
$4.50 - $7.50
$4.50 - $7.50
$4.50
Oval Genuine Blue Sapphire Cabochon
10+ Supplies & Gravers, Get 12% Off

Oval Genuine Blue Sapphire Cabochon

Otto Frei
Part # Varies
$60.00 - $186.83
$60.00 - $186.83
$60.00 - $186.83
$60.00

Sapphire is one of the most popular colored stones in the United States, prized for its extraordinary durability and suitability for everyday wear....

View full details
$60.00 - $186.83
$60.00 - $186.83
$60.00 - $186.83
$60.00
Closeout Druzy Quartz Rainbow Oval 20mm x 15mm
Closeout: Sold As Is

Closeout Druzy Quartz Rainbow Oval 20mm x 15mm

Otto Frei
Part # 939-020
$27.23
$27.23 - $27.23
$27.23
$19.45
$19.45 - $19.45
$19.45
List Price: $27.23

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 details
$27.23
$27.23 - $27.23
$27.23
$19.45
$19.45 - $19.45
$19.45