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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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Round Black Onyx Cabochon
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Round Black Onyx Cabochon

Otto Frei
Part # Varies
$0.90 - $6.00
$0.90 - $6.00
$0.90 - $6.00
$0.90

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...

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$0.90 - $6.00
$0.90 - $6.00
$0.90 - $6.00
$0.90
Round Green Onyx Cabochon
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Round Green Onyx Cabochon

Otto Frei
Part # Varies
$2.75 - $6.60
$2.75 - $6.60
$2.75 - $6.60
$2.75

Green onyx — also known as green agate — is dyed chalcedony, a microcrystalline quartz whose individual crystals are too small to see with the nake...

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$2.75 - $6.60
$2.75 - $6.60
$2.75 - $6.60
$2.75
Closeout Pack-15 Marquise 32x7mm Black Chalcedony Cabochon Esaurito
Closeout: Sold As Is

Closeout Pack-15 Marquise 32x7mm Black Chalcedony Cabochon

Otto Frei
Part # 990-349
$14.00
$14.00 - $14.00
$14.00
$10.00
$10.00 - $10.00
$10.00
List Price: $14.00

Chalcedony is a cryptocrystalline form of quartz, composed of tiny crystals too small to see with the naked eye. Natural black chalcedony is except...

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$14.00
$14.00 - $14.00
$14.00
$10.00
$10.00 - $10.00
$10.00
Esaurito
Oval Black Onyx Cabochon
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Oval Black Onyx Cabochon

Otto Frei
Part # Varies
$0.60 - $8.00
$0.60 - $8.00
$0.60 - $8.00
$0.60

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

Visualizza tutti i dettagli
$0.60 - $8.00
$0.60 - $8.00
$0.60 - $8.00
$0.60
Round Blue Onyx Cabochon
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Round Blue Onyx Cabochon

Otto Frei
Part # Varies
$1.50 - $16.00
$1.50 - $16.00
$1.50 - $16.00
$1.50

Blue onyx, also known as blue agate, is dyed chalcedony — a microcrystalline quartz whose fine crystal structure is invisible to the unaided eye. P...

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$1.50 - $16.00
$1.50 - $16.00
$1.50 - $16.00
$1.50
Oval Blue Onyx Cabochon
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Oval Blue Onyx Cabochon

Otto Frei
Part # Varies
$1.40 - $12.25
$1.40 - $12.25
$1.40 - $12.25
$1.40

Blue onyx, also known as blue agate, is dyed chalcedony — a microcrystalline quartz prized by jewelers and gem artists for its smooth, uniform tran...

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$1.40 - $12.25
$1.40 - $12.25
$1.40 - $12.25
$1.40
Oval Green Onxy Cabochon
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Oval Green Onxy Cabochon

Otto Frei
Part # Varies
$1.50 - $11.50
$1.50 - $11.50
$1.50 - $11.50
$1.50

Green onyx, also known as green agate, is dyed chalcedony — a microcrystalline quartz prized by jewelers and metalsmiths for its uniform color, smo...

Visualizza tutti i dettagli
$1.50 - $11.50
$1.50 - $11.50
$1.50 - $11.50
$1.50
Antique Buff Top Single Bevel Genuine Black Onyx
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Antique Buff Top Single Bevel Genuine Black Onyx

Otto Frei
Part # Varies
$4.50 - $6.00
$4.50 - $6.00
$4.50 - $6.00
$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...

Visualizza tutti i dettagli
$4.50 - $6.00
$4.50 - $6.00
$4.50 - $6.00
$4.50
Octagon Buff Top Double Bevel Genuine Black Onyx
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Octagon Buff Top Double Bevel Genuine Black Onyx

Otto Frei
Part # Varies
$3.48 - $6.25
$3.48 - $6.25
$3.48 - $6.25
$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...

Visualizza tutti i dettagli
$3.48 - $6.25
$3.48 - $6.25
$3.48 - $6.25
$3.48
Oval Flat Top Double Bevel Genuine Black Onyx
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Oval Flat Top Double Bevel Genuine Black Onyx

Otto Frei
Part # Varies
$3.48 - $6.00
$3.48 - $6.00
$3.48 - $6.00
$3.48

Black 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...

Visualizza tutti i dettagli
$3.48 - $6.00
$3.48 - $6.00
$3.48 - $6.00
$3.48
Octagon Buff Top Single Bevel Genuine Black Onyx
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Octagon Buff Top Single Bevel Genuine Black Onyx

Otto Frei
Part # Varies
$3.00 - $6.90
$3.00 - $6.90
$3.00 - $6.90
$3.00

Black onyx, also known as black agate, is dyed black chalcedony — one of the most enduring and versatile gem materials in the jeweler's palette. Ch...

Visualizza tutti i dettagli
$3.00 - $6.90
$3.00 - $6.90
$3.00 - $6.90
$3.00
Cushion Buff Top Single Bevel Genuine Black Onyx
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Cushion Buff Top Single Bevel Genuine Black Onyx

Otto Frei
Part # Varies
$3.00 - $5.25
$3.00 - $5.25
$3.00 - $5.25
$3.00

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

Visualizza tutti i dettagli
$3.00 - $5.25
$3.00 - $5.25
$3.00 - $5.25
$3.00
Cushion Flat Top Double Bevel Genuine Black Onyx With Hole
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Cushion Flat Top Double Bevel Genuine Black Onyx With Hole

Otto Frei
Part # Varies
$3.48 - $6.25
$3.48 - $6.25
$3.48 - $6.25
$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...

Visualizza tutti i dettagli
$3.48 - $6.25
$3.48 - $6.25
$3.48 - $6.25
$3.48
Antique Buff Top Double Bevel Genuine Black Onyx
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Antique Buff Top Double Bevel Genuine Black Onyx

Otto Frei
Part # Varies
$3.90 - $6.00
$3.90 - $6.00
$3.90 - $6.00
$3.90

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

Visualizza tutti i dettagli
$3.90 - $6.00
$3.90 - $6.00
$3.90 - $6.00
$3.90
Oval Flat Top Double Bevel Genuine Black Onyx With Hole
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Oval Flat Top Double Bevel Genuine Black Onyx With Hole

Otto Frei
Part # Varies
$4.80 - $5.10
$4.80 - $5.10
$4.80 - $5.10
$4.80

Black Onyx, also known as black agate, is dyed black chalcedony. Chalcedony is composed of microscopic quartz crystals that are not visible to the ...

Visualizza tutti i dettagli
$4.80 - $5.10
$4.80 - $5.10
$4.80 - $5.10
$4.80
Oval Buff Top Single Bevel Genuine Black Onyx
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Oval Buff Top Single Bevel Genuine Black Onyx

Otto Frei
Part # Varies
$2.25 - $6.00
$2.25 - $6.00
$2.25 - $6.00
$2.25

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

Visualizza tutti i dettagli
$2.25 - $6.00
$2.25 - $6.00
$2.25 - $6.00
$2.25
Octagon Flat Top Single Bevel Genuine Black Onyx
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Octagon Flat Top Single Bevel Genuine Black Onyx

Otto Frei
Part # Varies
$3.48 - $7.00
$3.48 - $7.00
$3.48 - $7.00
$3.48

Black 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...

Visualizza tutti i dettagli
$3.48 - $7.00
$3.48 - $7.00
$3.48 - $7.00
$3.48
Antique Flat Top Double Bevel Genuine Black Onyx with Hole
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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...

Visualizza tutti i dettagli
$5.00 - $5.00
$5.00
$5.00 - $5.00
$5.00
Octagon Flat Top Double Bevel Genuine Black Onyx
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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...

Visualizza tutti i dettagli
$4.65 - $9.00
$4.65 - $9.00
$4.65 - $9.00
$4.65
Cushion Buff Top Double Bevel Genuine Black Onyx
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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...

Visualizza tutti i dettagli
$3.48 - $5.25
$3.48 - $5.25
$3.48 - $5.25
$3.48
Cushion Flat Top Single Bevel Genuine Black Onyx With Hole
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Cushion Flat Top Single Bevel Genuine Black Onyx With Hole

Otto Frei
Part # Varies
$7.50 - $9.50
$7.50 - $9.50
$7.50 - $9.50
$7.50

Black 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...

Visualizza tutti i dettagli
$7.50 - $9.50
$7.50 - $9.50
$7.50 - $9.50
$7.50
Cushion Buff Top Double Bevel Genuine Black Onyx With Hole
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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...

Visualizza tutti i dettagli
$5.32 - $6.25
$5.32 - $6.25
$5.32 - $6.25
$5.32
Oval Buff Top Double Bevel Genuine Black Onyx With Hole
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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...

Visualizza tutti i dettagli
$3.65 - $5.50
$3.65 - $5.50
$3.65 - $5.50
$3.65
Cushion Flat Top Single Bevel Genuine Black Onyx
Esaurito
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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...

Visualizza tutti i dettagli
$6.00 - $8.50
$6.00 - $8.50
$6.00 - $8.50
$6.00
Esaurito
Cushion Buff Top Single Bevel Genuine Black Onyx With Hole
Esaurito
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...

Visualizza tutti i dettagli
$6.50 - $7.50
$6.50 - $7.50
$6.50 - $7.50
$6.50
Esaurito
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...

Visualizza tutti i dettagli
$4.50 - $7.50
$4.50 - $7.50
$4.50 - $7.50
$4.50