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7x5mm Faceted Octagon Sunstone

Otto Frei
Part # 935-800
Original price $0.00 - Original price $0.00
Original price $0.00
$150.00
$150.00 - $150.00
Current price $150.00

Oregon Sunstone is a natural, all-American gem sourced exclusively from mines in the state of Oregon and has received no treatment of any kind. A m...

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Original price $0.00 - Original price $0.00
Original price $0.00
$150.00
$150.00 - $150.00
Current price $150.00
Sold out
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6mm x 3mm Marquise Faceted Genuine Swiss Blue Topaz

Otto Frei
Part # 927-E15
Original price $0.00 - Original price $0.00
Original price $0.00
$7.00
$7.00 - $7.00
Current price $7.00

Swiss Blue Topaz is the trade name used to describe a vivid medium to medium-dark blue hue of topaz. This December birthstone is a compelling alter...

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Original price $0.00 - Original price $0.00
Original price $0.00
$7.00
$7.00 - $7.00
Current price $7.00
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6mm x 4mm Pear Faceted Genuine Ruby

Otto Frei
Part # 929-717
Original price $0.00 - Original price $0.00
Original price $0.00
$190.40
$190.40 - $190.40
Current price $190.40

Known 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...

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Original price $0.00 - Original price $0.00
Original price $0.00
$190.40
$190.40 - $190.40
Current price $190.40
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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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Oval Rose Cut Genuine Hematite Cabochon

Otto Frei
Part # Varies
Original price $2.80 - Original price $2.90
Original price
$2.80 - $2.90
$2.80 - $2.90
Current price $2.80

Genuine hematite cabochon in a classic oval rose cut, ideal for rings, pendants, cufflinks, and men's jewelry. Its black opaque body and bright met...

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Original price $2.80 - Original price $2.90
Original price
$2.80 - $2.90
$2.80 - $2.90
Current price $2.80
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Oval Flat Top Double Bevel Genuine Black Onyx With Hole

Otto Frei
Part # Varies
Original price $4.80 - Original price $5.10
Original price
$4.80 - $5.10
$4.80 - $5.10
Current price $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 ...

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Original price $4.80 - Original price $5.10
Original price
$4.80 - $5.10
$4.80 - $5.10
Current price $4.80
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Oval Buff Top Double Bevel Genuine Black Onyx

Otto Frei
Part # Varies
Original price $4.50 - Original price $7.50
Original price
$4.50 - $7.50
$4.50 - $7.50
Current price $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...

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Original price $4.50 - Original price $7.50
Original price
$4.50 - $7.50
$4.50 - $7.50
Current price $4.50
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Oval Buff Top Single Bevel Genuine Black Onyx

Otto Frei
Part # Varies
Original price $2.25 - Original price $6.00
Original price
$2.25 - $6.00
$2.25 - $6.00
Current price $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...

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Original price $2.25 - Original price $6.00
Original price
$2.25 - $6.00
$2.25 - $6.00
Current price $2.25
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Octagon Flat Top Double Bevel Genuine Black Onyx

Otto Frei
Part # Varies
Original price $4.65 - Original price $9.00
Original price
$4.65 - $9.00
$4.65 - $9.00
Current price $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...

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Original price $4.65 - Original price $9.00
Original price
$4.65 - $9.00
$4.65 - $9.00
Current price $4.65
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Octagon Flat Top Single Bevel Genuine Black Onyx

Otto Frei
Part # Varies
Original price $3.48 - Original price $7.00
Original price
$3.48 - $7.00
$3.48 - $7.00
Current price $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...

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Original price $3.48 - Original price $7.00
Original price
$3.48 - $7.00
$3.48 - $7.00
Current price $3.48
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Octagon Buff Top Single Bevel Genuine Black Onyx

Otto Frei
Part # Varies
Original price $3.00 - Original price $6.90
Original price
$3.00 - $6.90
$3.00 - $6.90
Current price $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...

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Original price $3.00 - Original price $6.90
Original price
$3.00 - $6.90
$3.00 - $6.90
Current price $3.00
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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
10+ Supplies & Gravers, Get 12% Off

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...

View full details
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
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Antique Buff Top Double Bevel Genuine Black Onyx

Otto Frei
Part # Varies
Original price $3.90 - Original price $6.00
Original price
$3.90 - $6.00
$3.90 - $6.00
Current price $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...

View full details
Original price $3.90 - Original price $6.00
Original price
$3.90 - $6.00
$3.90 - $6.00
Current price $3.90
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Pear Bumble Bee Jasper

Otto Frei
Part # Varies
Original price $3.90 - Original price $12.00
Original price
$3.90 - $12.00
$3.90 - $12.00
Current price $3.90

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 $3.90 - Original price $12.00
Original price
$3.90 - $12.00
$3.90 - $12.00
Current price $3.90
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Oval Azurite Cabochon

Otto Frei
Part # Varies
Original price $7.50 - Original price $19.50
Original price
$7.50 - $19.50
$7.50 - $19.50
Current price $7.50

Azurite Malachite is rarely available in calibrated sizes due to the natural rarity of the stone and its striking combination of blue and green col...

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Original price $7.50 - Original price $19.50
Original price
$7.50 - $19.50
$7.50 - $19.50
Current price $7.50
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Round Azurite Cabochon

Otto Frei
Part # Varies
Original price $6.60 - Original price $18.00
Original price
$6.60 - $18.00
$6.60 - $18.00
Current price $6.60

Azurite malachite is rarely found in calibrated sizes due to the natural rarity of the stone and its striking combination of blue and green hues. T...

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Original price $6.60 - Original price $18.00
Original price
$6.60 - $18.00
$6.60 - $18.00
Current price $6.60
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Round Faceted Morganite

Otto Frei
Part # Varies
Original price $25.72 - Original price $102.00
Original price
$25.72 - $102.00
$25.72 - $102.00
Current price $25.72

Morganite is a captivating variety of the Beryl family — the same mineral group that includes Emerald and Aquamarine. Its color ranges from soft ro...

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Original price $25.72 - Original price $102.00
Original price
$25.72 - $102.00
$25.72 - $102.00
Current price $25.72
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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...

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Original price $5.32 - Original price $6.25
Original price
$5.32 - $6.25
$5.32 - $6.25
Current price $5.32
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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
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Round Faceted Lab-Created Nano Crystal Emerald

Otto Frei
Part # 910-605
Original price $4.00 - Original price $4.00
Original price
$4.00
$4.00 - $4.00
Current price $4.00

Displaying a rich, vivid emerald green, this nano crystal gemstone is ideal for the birthstone of May. With a Mohs hardness of 7 to 7½ and high res...

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Original price $4.00 - Original price $4.00
Original price
$4.00
$4.00 - $4.00
Current price $4.00
Sold out
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Oval Buff Top Double Bevel Genuine Black Onyx With Hole

Otto Frei
Part # Varies
Original price $3.65 - Original price $5.50
Original price
$3.65 - $5.50
$3.65 - $5.50
Current price $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
Original price $3.65 - Original price $5.50
Original price
$3.65 - $5.50
$3.65 - $5.50
Current price $3.65
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Round Genuine Ruby Cabochon

Otto Frei
Part # Varies
Original price $35.00 - Original price $69.00
Original price
$35.00 - $69.00
$35.00 - $69.00
Current price $35.00

Known 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 details
Original price $35.00 - Original price $69.00
Original price
$35.00 - $69.00
$35.00 - $69.00
Current price $35.00
10+ Supplies & Gravers, Get 12% Off

Marquise Faceted Genuine Sky Blue Topaz

Otto Frei
Part # Varies
Original price $3.60 - Original price $4.50
Original price
$3.60 - $4.50
$3.60 - $4.50
Current price $3.60

Sky Blue Topaz is the trade name used to describe a bright light blue hue of topaz. This genuine faceted marquise stone is an excellent alternative...

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Original price $3.60 - Original price $4.50
Original price
$3.60 - $4.50
$3.60 - $4.50
Current price $3.60
Sold out
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Oval Faceted Tanzanite

Swarovski
Part # Varies
Original price $65.00 - Original price $350.00
Original price
$65.00 - $350.00
$65.00 - $350.00
Current price $65.00

Tanzanite is found in only one location in the entire world — Tanzania, in Eastern Africa. Discovered in 1962, tanzanite is a relative newcomer on ...

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Original price $65.00 - Original price $350.00
Original price
$65.00 - $350.00
$65.00 - $350.00
Current price $65.00
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Pear Faceted Mexican Fire Opal

Otto Frei
Part # Varies
Original price $36.00 - Original price $120.00
Original price
$36.00 - $120.00
$36.00 - $120.00
Current price $36.00

Mexican Fire Opal is prized for its blazing reddish-orange color — a characteristic that sets it apart from most other opals, which typically displ...

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Original price $36.00 - Original price $120.00
Original price
$36.00 - $120.00
$36.00 - $120.00
Current price $36.00
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Oval Faceted Sunstone

Otto Frei
Part # Varies
Original price $40.00 - Original price $300.00
Original price
$40.00 - $300.00
$40.00 - $300.00
Current price $40.00

Oregon Sunstone is a natural, all-American gem, sourced exclusively from mines in the state of Oregon and sold without any treatment. A member of t...

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Original price $40.00 - Original price $300.00
Original price
$40.00 - $300.00
$40.00 - $300.00
Current price $40.00
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Faceted Marquise Sunstone

Otto Frei
Part # Varies
Original price $30.00 - Original price $90.00
Original price
$30.00 - $90.00
$30.00 - $90.00
Current price $30.00

Oregon Sunstone is a natural, all-American gem, sourced exclusively from mines in the state of Oregon and receiving no treatment of any kind. A mem...

View full details
Original price $30.00 - Original price $90.00
Original price
$30.00 - $90.00
$30.00 - $90.00
Current price $30.00
10+ Supplies & Gravers, Get 12% Off

Oval Faceted Genuine Iolite

Otto Frei
Part # Varies
Original price $10.92 - Original price $29.70
Original price
$10.92 - $29.70
$10.92 - $29.70
Current price $10.92

Iolite takes its name from the Greek word for violet, and this genuine faceted stone delivers a vivid violet-blue color that makes it a compelling ...

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Original price $10.92 - Original price $29.70
Original price
$10.92 - $29.70
$10.92 - $29.70
Current price $10.92
10+ Supplies & Gravers, Get 12% Off

Square Rose-Cut Marcasite

Otto Frei
Part # Varies
Original price $20.00 - Original price $23.00
Original price
$20.00 - $23.00
$20.00 - $23.00
Current price $20.00

Square rose-cut marcasite offers the timeless appeal of a polished, metallic, mirror-like appearance that has made this stone a staple in antique a...

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Original price $20.00 - Original price $23.00
Original price
$20.00 - $23.00
$20.00 - $23.00
Current price $20.00
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Pear Faceted Imitation Peridot

Otto Frei
Part # Varies
Original price $2.04 - Original price $11.60
Original price
$2.04 - $11.60
$2.04 - $11.60
Current price $2.04

Displaying the characteristic lime-green color of natural peridot, these pear-shaped faceted simulants are composed of a lab-created yellow-green s...

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Original price $2.04 - Original price $11.60
Original price
$2.04 - $11.60
$2.04 - $11.60
Current price $2.04
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Pear Faceted Imitation Aquamarine

Otto Frei
Part # Varies
Original price $2.20 - Original price $5.88
Original price
$2.20 - $5.88
$2.20 - $5.88
Current price $2.20

Simulating the delicate light sky blue of natural aquamarine, these pear faceted imitation stones are composed of lab-created blue spinel. Their ca...

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Original price $2.20 - Original price $5.88
Original price
$2.20 - $5.88
$2.20 - $5.88
Current price $2.20
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Pear Faceted Imitation Amethyst

Otto Frei
Part # Varies
Original price $4.53 - Original price $13.00
Original price
$4.53 - $13.00
$4.53 - $13.00
Current price $4.53

This pear faceted imitation amethyst is composed of a lab-created spinel doublet exhibiting a light to medium purple color. The doublet constructio...

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Original price $4.53 - Original price $13.00
Original price
$4.53 - $13.00
$4.53 - $13.00
Current price $4.53