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Gemstones

Loose stones for setting and repair work. Cabochons and faceted stones in genuine, lab created, simulated and assembled material, alongside diamonds, moissanite and cultured freshwater pearls. Round, oval, marquise, pear, emerald, heart, cushion, square and trillion shapes in calibrated millimeter sizes from 1 mm up. Filter by stone, shape, size and color to match an existing mounting.

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10+ Supplies & Gravers, Get 12% Off

Round Faceted Imitation Alexandrite

Otto Frei
Part # Varies
Original price $0.50 - Original price $7.10
Original price
$0.50 - $7.10
$0.50 - $7.10
Current price $0.50

This Alexandrite simulant is crafted from lab-created synthetic purple corundum, displaying a distinctive greyish-purple hue. With a hardness ratin...

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Original price $0.50 - Original price $7.10
Original price
$0.50 - $7.10
$0.50 - $7.10
Current price $0.50
10+ Supplies & Gravers, Get 12% Off

Round Genuine Amethyst Cabochon

Otto Frei
Part # Varies
Original price $3.25 - Original price $17.00
Original price
$3.25 - $17.00
$3.25 - $17.00
Current price $3.25

Prized since antiquity, amethyst carries one of the most storied histories in the gem world — early Greeks believed its rich purple hue could ward ...

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Original price $3.25 - Original price $17.00
Original price
$3.25 - $17.00
$3.25 - $17.00
Current price $3.25
10+ Supplies & Gravers, Get 12% Off

Round Faceted Genuine Amethyst

Otto Frei
Part # Varies
Original price $3.50 - Original price $25.00
Original price
$3.50 - $25.00
$3.50 - $25.00
Current price $3.50

Amethyst is the most popular and valuable member of the quartz family, prized for its distinctive purple, wine-like color. According to early Greek...

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Original price $3.50 - Original price $25.00
Original price
$3.50 - $25.00
$3.50 - $25.00
Current price $3.50
10+ Supplies & Gravers, Get 12% Off

Round Charoite Cabochon

Otto Frei
Part # Varies
Original price $4.80 - Original price $19.45
Original price
$4.80 - $19.45
$4.80 - $19.45
Current price $4.80

Charoite is a striking opaque purple gemstone featuring swirls, veins, and patches of black, gray, white, and brownish-orange. Prized for its drama...

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Original price $4.80 - Original price $19.45
Original price
$4.80 - $19.45
$4.80 - $19.45
Current price $4.80
10+ Supplies & Gravers, Get 12% Off

Oval Genuine Amethyst Cabochon

Otto Frei
Part # Varies
Original price $5.00 - Original price $16.50
Original price
$5.00 - $16.50
$5.00 - $16.50
Current price $5.00

Amethyst has captivated gem enthusiasts and jewelers for centuries — early Greeks believed its rich purple hue could prevent drunkenness, lending t...

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Original price $5.00 - Original price $16.50
Original price
$5.00 - $16.50
$5.00 - $16.50
Current price $5.00
10+ Supplies & Gravers, Get 12% Off

Round Faceted Genuine Iolite

Otto Frei
Part # Varies
Original price $6.00 - Original price $27.00
Original price
$6.00 - $27.00
$6.00 - $27.00
Current price $6.00

Iolite takes its name from the Greek word for violet, and it earns that distinction with a vivid violet-blue color that immediately draws the eye. ...

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Original price $6.00 - Original price $27.00
Original price
$6.00 - $27.00
$6.00 - $27.00
Current price $6.00
10+ Supplies & Gravers, Get 12% Off

Round Faceted Imitation Amethyst

Otto Frei
Part # Varies
Original price $1.50 - Original price $11.00
Original price
$1.50 - $11.00
$1.50 - $11.00
Current price $1.50

This Round Faceted Imitation Amethyst is composed of a lab-created synthetic spinel doublet, exhibiting a light to medium purple color that mimics ...

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Original price $1.50 - Original price $11.00
Original price
$1.50 - $11.00
$1.50 - $11.00
Current price $1.50
10+ Supplies & Gravers, Get 12% Off

Round Purple Mosaic Turquoise Cabochons

Otto Frei
Part # Varies
Original price $15.00 - Original price $18.00
Original price
$15.00 - $18.00
$15.00 - $18.00
Current price $15.00

Mosaic Purple Turquoise cabochons offer a striking visual appeal, combining the rich color of dyed Kingman American turquoise with an intricate bro...

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Original price $15.00 - Original price $18.00
Original price
$15.00 - $18.00
$15.00 - $18.00
Current price $15.00
10+ Supplies & Gravers, Get 12% Off

Oval Charoite Cabochon

Otto Frei
Part # Varies
Original price $5.25 - Original price $24.30
Original price
$5.25 - $24.30
$5.25 - $24.30
Current price $5.25

Charoite is a striking opaque purple gemstone featuring swirls, veins, and patches of black, gray, white, and brownish-orange. Found exclusively in...

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Original price $5.25 - Original price $24.30
Original price
$5.25 - $24.30
$5.25 - $24.30
Current price $5.25
10+ Supplies & Gravers, Get 12% Off

Oval Purple Mosaic Turquoise Cabochons

Otto Frei
Part # Varies
Original price $14.40 - Original price $23.40
Original price
$14.40 - $23.40
$14.40 - $23.40
Current price $14.40

Mosaic Mohave Purple Turquoise cabochons offer a striking combination of rich purple hues and warm bronze matrix. Crafted from Kingman American tur...

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Original price $14.40 - Original price $23.40
Original price
$14.40 - $23.40
$14.40 - $23.40
Current price $14.40
10+ Supplies & Gravers, Get 12% Off

Pear Faceted Imitation Alexandrite

Otto Frei
Part # Varies
Original price $3.04 - Original price $8.00
Original price
$3.04 - $8.00
$3.04 - $8.00
Current price $3.04

This Alexandrite simulant is crafted from lab-created synthetic purple corundum, displaying a distinctive grayish purple color. With a hardness of ...

View full details
Original price $3.04 - Original price $8.00
Original price
$3.04 - $8.00
$3.04 - $8.00
Current price $3.04
10+ Supplies & Gravers, Get 12% Off

Oval Faceted Imitation Alexandrite

Otto Frei
Part # Varies
Original price $2.30 - Original price $10.80
Original price
$2.30 - $10.80
$2.30 - $10.80
Current price $2.30

This Alexandrite simulant is crafted from lab-created synthetic purple corundum, displaying a characteristic grayish purple color. With a hardness ...

View full details
Original price $2.30 - Original price $10.80
Original price
$2.30 - $10.80
$2.30 - $10.80
Current price $2.30
10+ Supplies & Gravers, Get 12% Off

Heart Faceted Imitation Alexandrite

Otto Frei
Part # Varies
Original price $4.50 - Original price $5.75
Original price
$4.50 - $5.75
$4.50 - $5.75
Current price $4.50

This alexandrite simulant is crafted from lab-created synthetic purple corundum, displaying a distinctive grayish purple color reminiscent of natur...

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Original price $4.50 - Original price $5.75
Original price
$4.50 - $5.75
$4.50 - $5.75
Current price $4.50
10+ Supplies & Gravers, Get 12% Off

Emerald Cut Faceted Imitation Alexandrite

Otto Frei
Part # Varies
Original price $3.00 - Original price $14.25
Original price
$3.00 - $14.25
$3.00 - $14.25
Current price $3.00

This Alexandrite simulant is crafted from lab-created synthetic purple corundum, displaying a grayish purple color characteristic of alexandrite im...

View full details
Original price $3.00 - Original price $14.25
Original price
$3.00 - $14.25
$3.00 - $14.25
Current price $3.00
10+ Supplies & Gravers, Get 12% Off

Oval Faceted Genuine Amethyst

Otto Frei
Part # Varies
Original price $6.00 - Original price $12.00
Original price
$6.00 - $12.00
$6.00 - $12.00
Current price $6.00

Amethyst has captivated gem lovers for centuries — early Greeks believed its rich purple hue had the power to prevent drunkenness, and the stone's ...

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Original price $6.00 - Original price $12.00
Original price
$6.00 - $12.00
$6.00 - $12.00
Current price $6.00
Closeout: Sold As Is

Closeout Druzy Quartz Purple Oval 20mm x 15mm

Otto Frei
Part # 939-220
Original price $27.23
Original price $27.23 - Original price $27.23
Original price $27.23
Current price $19.45
$19.45 - $19.45
Current price $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...

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Original price $27.23
Original price $27.23 - Original price $27.23
Original price $27.23
Current price $19.45
$19.45 - $19.45
Current price $19.45
Closeout: Sold As Is

Closeout-Druzy Quartz Purple Oval 18mm x 13mm

Otto Frei
Part # 939-218
Original price $23.31
Original price $23.31 - Original price $23.31
Original price $23.31
Current price $16.65
$16.65 - $16.65
Current price $16.65
List Price: $23.31

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
Original price $23.31
Original price $23.31 - Original price $23.31
Original price $23.31
Current price $16.65
$16.65 - $16.65
Current price $16.65
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

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
10+ Supplies & Gravers, Get 12% Off

Oval Faceted Imitation Amethyst

Otto Frei
Part # Varies
Original price $5.00 - Original price $28.00
Original price
$5.00 - $28.00
$5.00 - $28.00
Current price $5.00

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

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Original price $5.00 - Original price $28.00
Original price
$5.00 - $28.00
$5.00 - $28.00
Current price $5.00
10+ Supplies & Gravers, Get 12% Off

Marquise Faceted Imitation Alexandrite

Otto Frei
Part # Varies
Original price $1.50 - Original price $8.16
Original price
$1.50 - $8.16
$1.50 - $8.16
Current price $1.50

This Alexandrite Simulant is composed of lab-created synthetic purple corundum, exhibiting a grayish purple color that evokes the distinctive color...

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Original price $1.50 - Original price $8.16
Original price
$1.50 - $8.16
$1.50 - $8.16
Current price $1.50
10+ Supplies & Gravers, Get 12% Off

Marquise Faceted Imitation Amethyst

Otto Frei
Part # Varies
Original price $1.59 - Original price $7.80
Original price
$1.59 - $7.80
$1.59 - $7.80
Current price $1.59

This marquise faceted imitation amethyst exhibits a light to medium purple color that mimics the rich hue of natural amethyst without its character...

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Original price $1.59 - Original price $7.80
Original price
$1.59 - $7.80
$1.59 - $7.80
Current price $1.59
10+ Supplies & Gravers, Get 12% Off

Heart Faceted Imitation Amethyst

Otto Frei
Part # Varies
Original price $9.00 - Original price $12.00
Original price
$9.00 - $12.00
$9.00 - $12.00
Current price $9.00

This heart-shaped faceted imitation amethyst exhibits a light to medium purple color that closely mimics the rich hue of natural amethyst without i...

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Original price $9.00 - Original price $12.00
Original price
$9.00 - $12.00
$9.00 - $12.00
Current price $9.00
10+ Supplies & Gravers, Get 12% Off

Emerald Cut Faceted Imitation Amethyst

Otto Frei
Part # Varies
Original price $7.11 - Original price $30.00
Original price
$7.11 - $30.00
$7.11 - $30.00
Current price $7.11

This emerald cut faceted imitation amethyst is composed of a lab-created synthetic spinel doublet, exhibiting a light to medium purple color. The d...

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Original price $7.11 - Original price $30.00
Original price
$7.11 - $30.00
$7.11 - $30.00
Current price $7.11
10+ Supplies & Gravers, Get 12% Off

Square Faceted Imitation Alexandrite

Otto Frei
Part # Varies
Original price $1.95 - Original price $4.50
Original price
$1.95 - $4.50
$1.95 - $4.50
Current price $1.95

Square Faceted Imitation Alexandrite is an alexandrite simulant crafted from lab-created synthetic purple corundum, displaying a distinctive grayis...

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Original price $1.95 - Original price $4.50
Original price
$1.95 - $4.50
$1.95 - $4.50
Current price $1.95
10+ Supplies & Gravers, Get 12% Off

Square Faceted Imitation Amethyst

Otto Frei
Part # Varies
Original price $5.00 - Original price $6.00
Original price
$5.00 - $6.00
$5.00 - $6.00
Current price $5.00

This imitation amethyst is composed of a lab-created synthetic spinel doublet exhibiting a light to medium purple color. The doublet construction c...

View full details
Original price $5.00 - Original price $6.00
Original price
$5.00 - $6.00
$5.00 - $6.00
Current price $5.00
10+ Supplies & Gravers, Get 12% Off

Pear Faceted Genuine Amethyst

Otto Frei
Part # Varies
Original price $12.00 - Original price $15.40
Original price
$12.00 - $15.40
$12.00 - $15.40
Current price $12.00

Amethyst is the most popular and valuable stone in the quartz family, prized for its rich purple color that ranges from light lavender to medium-da...

View full details
Original price $12.00 - Original price $15.40
Original price
$12.00 - $15.40
$12.00 - $15.40
Current price $12.00
10+ Supplies & Gravers, Get 12% Off

Marquise Faceted Genuine Amethyst

Otto Frei
Part # Varies
Original price $6.80 - Original price $8.50
Original price
$6.80 - $8.50
$6.80 - $8.50
Current price $6.80

Amethyst has captivated gem enthusiasts and jewelers for centuries. Early Greeks believed the stone's deep purple hue could ward off intoxication —...

View full details
Original price $6.80 - Original price $8.50
Original price
$6.80 - $8.50
$6.80 - $8.50
Current price $6.80
10+ Supplies & Gravers, Get 12% Off

Oval Genuine Iolite Cabochon

Otto Frei
Part # Varies
Original price $11.25 - Original price $18.56
Original price
$11.25 - $18.56
$11.25 - $18.56
Current price $11.25

Iolite takes its name from the Greek word for violet, and the color delivers on that promise with a vivid violet-blue hue that catches the eye imme...

View full details
Original price $11.25 - Original price $18.56
Original price
$11.25 - $18.56
$11.25 - $18.56
Current price $11.25
10+ Supplies & Gravers, Get 12% Off

Round Genuine Iolite Cabochon

Otto Frei
Part # Varies
Original price $4.20 - Original price $12.00
Original price
$4.20 - $12.00
$4.20 - $12.00
Current price $4.20

Iolite is derived from the Greek word for violet, displaying a vivid violet-blue color. These round genuine iolite cabochons are strongly pleochroi...

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Original price $4.20 - Original price $12.00
Original price
$4.20 - $12.00
$4.20 - $12.00
Current price $4.20
Sold out
Closeout: Sold As Is

Closeout Faceted Amethyst Assortment Set

Otto Frei
Part # 990-242
Original price $200.00
Original price $200.00 - Original price $200.00
Original price $200.00
Current price $85.00
$85.00 - $85.00
Current price $85.00
List Price: $200.00

The Closeout Faceted Amethyst Assortment Set includes a curated selection of genuine faceted amethyst gemstones totaling approximately 45–50 carats...

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Original price $200.00
Original price $200.00 - Original price $200.00
Original price $200.00
Current price $85.00
$85.00 - $85.00
Current price $85.00
Sold out