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Gemstones

10+ Supplies & Gravers, Get 12% Off

Cushion Bumble Bee Jasper

Otto Frei
Part # Varies
Original price $4.50 - Original price $13.50
Original price
$4.50 - $13.50
$4.50 - $13.50
Current price $4.50

Bumble Bee Jasper comes from the volcanic areas of Indonesia and Australia. It displays a wonderful array of yellows, blacks, greys, and oranges. E...

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Original price $4.50 - Original price $13.50
Original price
$4.50 - $13.50
$4.50 - $13.50
Current price $4.50
10+ Supplies & Gravers, Get 12% Off

12mmx 10mm Cushion Buff Top Genuine Lapis Lazuli Cabochon, High Quality

Otto Frei
Part # 931-H32
Original price $0.00 - Original price $0.00
Original price $0.00
$36.00
$36.00 - $36.00
Current price $36.00

Lapis 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...

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Original price $0.00 - Original price $0.00
Original price $0.00
$36.00
$36.00 - $36.00
Current price $36.00
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10+ Supplies & Gravers, Get 12% Off

Brilliant Cushion Moissanite - 10x10mm

Otto Frei
Part # 965-140
Original price $0.00 - Original price $0.00
Original price $0.00
$120.00
$120.00 - $120.00
Current price $120.00

Brilliant Cushion Moissanite offers an exceptional combination of brilliance and fire, making it one of the most sought-after diamond simulants ava...

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Original price $0.00 - Original price $0.00
Original price $0.00
$120.00
$120.00 - $120.00
Current price $120.00
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Brilliant Cushion Moissanite - 9x9mm

Otto Frei
Part # 965-139
Original price $0.00 - Original price $0.00
Original price $0.00
$90.00
$90.00 - $90.00
Current price $90.00

This 9x9mm Brilliant Cushion Moissanite delivers exceptional optical performance with one of the highest refractive indexes and light dispersion ra...

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Original price $0.00 - Original price $0.00
Original price $0.00
$90.00
$90.00 - $90.00
Current price $90.00
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Brilliant Cushion Moissanite - 8x8mm

Otto Frei
Part # 965-138
Original price $0.00 - Original price $0.00
Original price $0.00
$80.00
$80.00 - $80.00
Current price $80.00

This Brilliant Cushion Moissanite measures 8x8mm and delivers exceptional optical performance for fine jewelry applications. All moissanite in the ...

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Original price $0.00 - Original price $0.00
Original price $0.00
$80.00
$80.00 - $80.00
Current price $80.00
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Cushion Buff Top Genuine Hematite Cabochon

Otto Frei
Part # Varies
Original price $2.70 - Original price $5.25
Original price
$2.70 - $5.25
$2.70 - $5.25
Current price $2.70

Hematite is composed of iron oxide, exhibiting a shiny, metallic luster. A traditional favorite in men's jewelry, hematite has the highest density ...

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Original price $2.70 - Original price $5.25
Original price
$2.70 - $5.25
$2.70 - $5.25
Current price $2.70
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Cushion Flat Top Double Bevel Genuine Black Onyx With Hole

Otto Frei
Part # Varies
Original price $3.48 - Original price $6.25
Original price
$3.48 - $6.25
$3.48 - $6.25
Current price $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...

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Original price $3.48 - Original price $6.25
Original price
$3.48 - $6.25
$3.48 - $6.25
Current price $3.48
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Cushion Flat Top Single Bevel Genuine Black Onyx With Hole

Otto Frei
Part # Varies
Original price $7.50 - Original price $9.50
Original price
$7.50 - $9.50
$7.50 - $9.50
Current price $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...

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Original price $7.50 - Original price $9.50
Original price
$7.50 - $9.50
$7.50 - $9.50
Current price $7.50
10+ Supplies & Gravers, Get 12% Off

Cushion Buff Top Double Bevel Genuine Black Onyx

Otto Frei
Part # Varies
Original price $3.48 - Original price $5.25
Original price
$3.48 - $5.25
$3.48 - $5.25
Current price $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
Original price $3.48 - Original price $5.25
Original price
$3.48 - $5.25
$3.48 - $5.25
Current price $3.48
10+ Supplies & Gravers, Get 12% Off

Cushion Buff Top Single Bevel Genuine Black Onyx

Otto Frei
Part # Varies
Original price $3.00 - Original price $5.25
Original price
$3.00 - $5.25
$3.00 - $5.25
Current price $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...

View full details
Original price $3.00 - Original price $5.25
Original price
$3.00 - $5.25
$3.00 - $5.25
Current price $3.00
10+ Supplies & Gravers, Get 12% Off

Cushion Buff Top Double Bevel Genuine Black Onyx With Hole

Otto Frei
Part # Varies
Original price $5.32 - Original price $6.25
Original price
$5.32 - $6.25
$5.32 - $6.25
Current price $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
Original price $5.32 - Original price $6.25
Original price
$5.32 - $6.25
$5.32 - $6.25
Current price $5.32
10+ Supplies & Gravers, Get 12% Off

Cushion Flat Top Single Bevel Genuine Black Onyx

Otto Frei
Part # Varies
Original price $6.00 - Original price $8.50
Original price
$6.00 - $8.50
$6.00 - $8.50
Current price $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
Original price $6.00 - Original price $8.50
Original price
$6.00 - $8.50
$6.00 - $8.50
Current price $6.00
Sold out
10+ Supplies & Gravers, Get 12% Off

Cushion Buff Top Single Bevel Genuine Black Onyx With Hole

Otto Frei
Part # Varies
Original price $6.50 - Original price $7.50
Original price
$6.50 - $7.50
$6.50 - $7.50
Current price $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
Original price $6.50 - Original price $7.50
Original price
$6.50 - $7.50
$6.50 - $7.50
Current price $6.50
Sold out