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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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Round Faceted Genuine Peridot

Otto Frei
Part # Varies
Original price $3.00 - Original price $26.00
Original price
$3.00 - $26.00
$3.00 - $26.00
Current price $3.00

Named by the Egyptians as the "gem of the sun," peridot is plentiful and generally inexpensive. Ranging from transparent yellowish green to greenis...

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Original price $3.00 - Original price $26.00
Original price
$3.00 - $26.00
$3.00 - $26.00
Current price $3.00
10+ Supplies & Gravers, Get 12% Off

Round Faceted Imitation Emerald

Otto Frei
Part # Varies
Original price $1.95 - Original price $14.75
Original price
$1.95 - $14.75
$1.95 - $14.75
Current price $1.95

Displaying a rich emerald green, these Round Faceted Imitation Emeralds are an ideal choice for May birthstone jewelry and custom gemstone work. Ea...

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Original price $1.95 - Original price $14.75
Original price
$1.95 - $14.75
$1.95 - $14.75
Current price $1.95
Closeout: Sold As Is

Closeout-Round Swarovski Gemstonesâ„¢ Genuine Rainforest Green Topaz

Swarovski
Part # 922-510
Original price $12.60
Original price $12.60 - Original price $12.60
Original price $12.60
Current price $9.00
$9.00 - $9.00
Current price $9.00
List Price: $12.60

Swarovski Gemsâ„¢ Genuine Rainforest Green Topaz elevates natural topaz through two proprietary innovations: the Natural Brilliance Cut and the TCF (...

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Original price $12.60
Original price $12.60 - Original price $12.60
Original price $12.60
Current price $9.00
$9.00 - $9.00
Current price $9.00
10+ Supplies & Gravers, Get 12% Off

Oval Green Moss Agate Cabochon

Otto Frei
Part # Varies
Original price $3.60 - Original price $24.00
Original price
$3.60 - $24.00
$3.60 - $24.00
Current price $3.60

Agate is a type of chalcedony characterized by curved and angular bands of color that vary in hue and transparency. From patterns of lace, moss, an...

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Original price $3.60 - Original price $24.00
Original price
$3.60 - $24.00
$3.60 - $24.00
Current price $3.60
10+ Supplies & Gravers, Get 12% Off

Round Faceted Chrome Diopside

Otto Frei
Part # Varies
Original price $10.00 - Original price $92.75
Original price
$10.00 - $92.75
$10.00 - $92.75
Current price $10.00

Chrome Diopside is an affordable, untreated alternative to Emerald, offering a rich green color at a fraction of the cost. Its vivid hue originates...

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Original price $10.00 - Original price $92.75
Original price
$10.00 - $92.75
$10.00 - $92.75
Current price $10.00
Sold out
10+ Supplies & Gravers, Get 12% Off

Round Genuine Peridot Cabochon

Otto Frei
Part # Varies
Original price $6.50 - Original price $16.00
Original price
$6.50 - $16.00
$6.50 - $16.00
Current price $6.50

Named by the Egyptians as the "gem of the sun," peridot is a plentiful gemstone ranging from transparent yellowish green to greenish yellow, with t...

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Original price $6.50 - Original price $16.00
Original price
$6.50 - $16.00
$6.50 - $16.00
Current price $6.50
10+ Supplies & Gravers, Get 12% Off

Round Green Onyx Cabochon

Otto Frei
Part # Varies
Original price $2.75 - Original price $6.60
Original price
$2.75 - $6.60
$2.75 - $6.60
Current price $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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Original price $2.75 - Original price $6.60
Original price
$2.75 - $6.60
$2.75 - $6.60
Current price $2.75
10+ Supplies & Gravers, Get 12% Off

7mm Round Green Moss Agate Cabochon

Otto Frei
Part # 936-270
Original price $2.80 - Original price $2.80
Original price
$2.80
$2.80 - $2.80
Current price $2.80

Agate is a type of chalcedony characterized by curved and angular bands of color that vary in hue and transparency. From patterns of lace, moss, an...

View full details
Original price $2.80 - Original price $2.80
Original price
$2.80
$2.80 - $2.80
Current price $2.80
10+ Supplies & Gravers, Get 12% Off

Round Faceted Imitation Peridot

Otto Frei
Part # Varies
Original price $0.78 - Original price $19.00
Original price
$0.78 - $19.00
$0.78 - $19.00
Current price $0.78

These round faceted imitation peridot stones display the characteristic lime-green color of natural peridot. Each stone is a lab-created yellow-gre...

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Original price $0.78 - Original price $19.00
Original price
$0.78 - $19.00
$0.78 - $19.00
Current price $0.78
10+ Supplies & Gravers, Get 12% Off

Bloodstone Round Cabochon

Otto Frei
Part # Varies
Original price $2.00 - Original price $12.75
Original price
$2.00 - $12.75
$2.00 - $12.75
Current price $2.00

Bloodstone is a member of the Chalcedony family, recognized by its opaque dark green to brownish green background punctuated by distinctive red and...

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Original price $2.00 - Original price $12.75
Original price
$2.00 - $12.75
$2.00 - $12.75
Current price $2.00
10+ Supplies & Gravers, Get 12% Off

Round Faceted Green Quartz

Otto Frei
Part # Varies
Original price $7.20 - Original price $13.20
Original price
$7.20 - $13.20
$7.20 - $13.20
Current price $7.20

Green Quartz — also known as Prasiolite and sold under the trade name Greened Amethyst — is a member of the Quartz family produced by heat-treating...

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Original price $7.20 - Original price $13.20
Original price
$7.20 - $13.20
$7.20 - $13.20
Current price $7.20
10+ Supplies & Gravers, Get 12% Off

Oval Cabochon Malachite

Otto Frei
Part # Varies
Original price $2.50 - Original price $10.20
Original price
$2.50 - $10.20
$2.50 - $10.20
Current price $2.50

From bulls-eyes to straight and curved bands, Malachite is a distinctive, unique, and easily recognizable gemstone. Ranging from opaque bluish gree...

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Original price $2.50 - Original price $10.20
Original price
$2.50 - $10.20
$2.50 - $10.20
Current price $2.50
10+ Supplies & Gravers, Get 12% Off

Round Faceted Lab-Created Emerald

Otto Frei
Part # Varies
Original price $12.00 - Original price $30.80
Original price
$12.00 - $30.80
$12.00 - $30.80
Current price $12.00

Composed of man-made beryl with the same chemical composition as natural emerald, these round faceted lab-created emeralds offer excellent clarity ...

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Original price $12.00 - Original price $30.80
Original price
$12.00 - $30.80
$12.00 - $30.80
Current price $12.00
Closeout: Sold As Is

Closeout 16mm Heart Genuine Malachite Cabochons

Otto Frei
Part # 990.247
Original price $4.20
Original price $4.20 - Original price $4.20
Original price $4.20
Current price $3.00
$3.00 - $3.00
Current price $3.00
List Price: $4.20

From bull's-eyes to straight and curved bands, malachite is a distinctive and easily recognizable gemstone. Ranging from opaque bluish green to viv...

View full details
Original price $4.20
Original price $4.20 - Original price $4.20
Original price $4.20
Current price $3.00
$3.00 - $3.00
Current price $3.00
10+ Supplies & Gravers, Get 12% Off

Bloodstone Oval Cabochon

Otto Frei
Part # Varies
Original price $2.55 - Original price $9.90
Original price
$2.55 - $9.90
$2.55 - $9.90
Current price $2.55

Bloodstone is a member of the Chalcedony family, prized for its opaque dark green to brownish green background accented by distinctive red and redd...

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Original price $2.55 - Original price $9.90
Original price
$2.55 - $9.90
$2.55 - $9.90
Current price $2.55
10+ Supplies & Gravers, Get 12% Off

Round Taiwan Jade Cabochon

Otto Frei
Part # Varies
Original price $10.60 - Original price $11.05
Original price
$10.60 - $11.05
$10.60 - $11.05
Current price $10.60

Highly prized since prehistoric times, jade has been used for many purposes beyond jewelry, including tools, religious artifacts, medicine, and mus...

View full details
Original price $10.60 - Original price $11.05
Original price
$10.60 - $11.05
$10.60 - $11.05
Current price $10.60
10+ Supplies & Gravers, Get 12% Off

Octagon Faceted Lab-Created Emerald

Otto Frei
Part # Varies
Original price $15.00 - Original price $35.00
Original price
$15.00 - $35.00
$15.00 - $35.00
Current price $15.00

Composed of man-made beryl with the same chemical composition as natural emerald, this lab-created octagon faceted emerald delivers excellent clari...

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Original price $15.00 - Original price $35.00
Original price
$15.00 - $35.00
$15.00 - $35.00
Current price $15.00
10+ Supplies & Gravers, Get 12% Off

Pear Faceted Imitation Emerald

Otto Frei
Part # Varies
Original price $4.53 - Original price $14.10
Original price
$4.53 - $14.10
$4.53 - $14.10
Current price $4.53

Displaying a rich emerald green, these pear-faceted imitation emerald stones are an ideal choice for May birthstone jewelry. Each stone is a synthe...

View full details
Original price $4.53 - Original price $14.10
Original price
$4.53 - $14.10
$4.53 - $14.10
Current price $4.53
10+ Supplies & Gravers, Get 12% Off

Oval Faceted Imitation Emerald

Otto Frei
Part # Varies
Original price $2.00 - Original price $24.00
Original price
$2.00 - $24.00
$2.00 - $24.00
Current price $2.00

Displaying a rich emerald green, these oval faceted imitation emeralds are ideal for May birthstone jewelry and emerald simulant applications. Each...

View full details
Original price $2.00 - Original price $24.00
Original price
$2.00 - $24.00
$2.00 - $24.00
Current price $2.00
10+ Supplies & Gravers, Get 12% Off

Oval Faceted Genuine Peridot

Otto Frei
Part # Varies
Original price $5.00 - Original price $9.50
Original price
$5.00 - $9.50
$5.00 - $9.50
Current price $5.00

Named by the Egyptians as the "gem of the sun," peridot is one of the few gemstones that occurs in only one color — a distinctive yellowish green t...

View full details
Original price $5.00 - Original price $9.50
Original price
$5.00 - $9.50
$5.00 - $9.50
Current price $5.00
Sold out
10+ Supplies & Gravers, Get 12% Off

Round Malachite Cabochon

Otto Frei
Part # Varies
Original price $2.25 - Original price $11.95
Original price
$2.25 - $11.95
$2.25 - $11.95
Current price $2.25

From bull's-eyes to straight and curved bands, malachite is a distinctive and easily recognizable gemstone with a character entirely its own. Rangi...

View full details
Original price $2.25 - Original price $11.95
Original price
$2.25 - $11.95
$2.25 - $11.95
Current price $2.25
10+ Supplies & Gravers, Get 12% Off

Oval Genuine Peridot Cabochon

Otto Frei
Part # Varies
Original price $9.30 - Original price $35.00
Original price
$9.30 - $35.00
$9.30 - $35.00
Current price $9.30

Named by the Egyptians as the "gem of the sun," peridot is one of the few gemstones found in only one color — a distinctive yellowish green to gree...

View full details
Original price $9.30 - Original price $35.00
Original price
$9.30 - $35.00
$9.30 - $35.00
Current price $9.30
10+ Supplies & Gravers, Get 12% Off

12mm x 6mm Marquise Green Moss Agate Cabochon

Otto Frei
Part # 936-830
Original price $0.00 - Original price $0.00
Original price $0.00
$2.70
$2.70 - $2.70
Current price $2.70

Agate is a type of chalcedony characterized by curved and angular bands of color that vary in hue and transparency. From patterns of lace, moss, an...

View full details
Original price $0.00 - Original price $0.00
Original price $0.00
$2.70
$2.70 - $2.70
Current price $2.70
10+ Supplies & Gravers, Get 12% Off

Emerald Cut Faceted Lab-Created Nano Crystal Emerald

Otto Frei
Part # 915-607
Original price $4.60 - Original price $4.60
Original price
$4.60
$4.60 - $4.60
Current price $4.60

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 $4.60 - Original price $4.60
Original price
$4.60
$4.60 - $4.60
Current price $4.60
Sold out
10+ Supplies & Gravers, Get 12% Off

Oval Faceted Lab-Created Emerald

Otto Frei
Part # Varies
Original price $13.80 - Original price $31.50
Original price
$13.80 - $31.50
$13.80 - $31.50
Current price $13.80

Composed of man-made beryl with the same chemical composition as natural emerald, this oval faceted lab-created emerald offers exceptional clarity ...

View full details
Original price $13.80 - Original price $31.50
Original price
$13.80 - $31.50
$13.80 - $31.50
Current price $13.80
10+ Supplies & Gravers, Get 12% Off

Emerald Cut Faceted Imitation Emerald

Otto Frei
Part # Varies
Original price $8.00 - Original price $19.53
Original price
$8.00 - $19.53
$8.00 - $19.53
Current price $8.00

Displaying a rich emerald green, this Synthetic Spinel doublet is an ideal emerald simulant and a perfect choice for May birthstone jewelry. Each s...

View full details
Original price $8.00 - Original price $19.53
Original price
$8.00 - $19.53
$8.00 - $19.53
Current price $8.00
10+ Supplies & Gravers, Get 12% Off

Oval Green Onxy Cabochon

Otto Frei
Part # Varies
Original price $1.50 - Original price $11.50
Original price
$1.50 - $11.50
$1.50 - $11.50
Current price $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...

View full details
Original price $1.50 - Original price $11.50
Original price
$1.50 - $11.50
$1.50 - $11.50
Current price $1.50
10+ Supplies & Gravers, Get 12% Off

Marquise Faceted Imitation Emerald

Otto Frei
Part # Varies
Original price $2.40 - Original price $12.96
Original price
$2.40 - $12.96
$2.40 - $12.96
Current price $2.40

Displaying a vivid emerald green, these Marquise Faceted Imitation Emeralds are ideal for May birthstone jewelry designs. Each stone is a lab-creat...

View full details
Original price $2.40 - Original price $12.96
Original price
$2.40 - $12.96
$2.40 - $12.96
Current price $2.40
10+ Supplies & Gravers, Get 12% Off

Oval Faceted Imitation Peridot

Otto Frei
Part # Varies
Original price $6.75 - Original price $20.95
Original price
$6.75 - $20.95
$6.75 - $20.95
Current price $6.75

These oval faceted imitation peridot stones display the characteristic lime-green color of natural peridot. Each simulant is a lab-created yellow-g...

View full details
Original price $6.75 - Original price $20.95
Original price
$6.75 - $20.95
$6.75 - $20.95
Current price $6.75
10+ Supplies & Gravers, Get 12% Off

Round Faceted Genuine Emerald

Otto Frei
Part # Varies
Original price $17.00 - Original price $359.04
Original price
$17.00 - $359.04
$17.00 - $359.04
Current price $17.00

Emerald is considered the world's finest green gemstone and has been highly prized and coveted for centuries, from Cleopatra to European royalty. E...

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Original price $17.00 - Original price $359.04
Original price
$17.00 - $359.04
$17.00 - $359.04
Current price $17.00
10+ Supplies & Gravers, Get 12% Off

Round Genuine Emerald Cabochon

Otto Frei
Part # Varies
Original price $18.00 - Original price $40.00
Original price
$18.00 - $40.00
$18.00 - $40.00
Current price $18.00

Emerald is considered the world's finest green gemstone and has been highly prized and coveted for centuries, from Cleopatra to European royalty. E...

View full details
Original price $18.00 - Original price $40.00
Original price
$18.00 - $40.00
$18.00 - $40.00
Current price $18.00
Sold out
10+ Supplies & Gravers, Get 12% Off

Oval Taiwan Jade Cabochon

Otto Frei
Part # Varies
Original price $5.00 - Original price $15.00
Original price
$5.00 - $15.00
$5.00 - $15.00
Current price $5.00

Highly prized since prehistoric times, jade has been used for many purposes beyond jewelry, including tools, religious artifacts, medicine, and mus...

View full details
Original price $5.00 - Original price $15.00
Original price
$5.00 - $15.00
$5.00 - $15.00
Current price $5.00
10+ Supplies & Gravers, Get 12% Off

Heart Faceted Imitation Peridot

Otto Frei
Part # Varies
Original price $7.50 - Original price $11.65
Original price
$7.50 - $11.65
$7.50 - $11.65
Current price $7.50

Displaying the characteristic lime-green color of peridot, these heart-faceted imitation peridot stones are crafted as a lab-created yellow-green s...

View full details
Original price $7.50 - Original price $11.65
Original price
$7.50 - $11.65
$7.50 - $11.65
Current price $7.50
10+ Supplies & Gravers, Get 12% Off

Emerald Cut Faceted Imitation Peridot

Otto Frei
Part # Varies
Original price $8.49 - Original price $22.92
Original price
$8.49 - $22.92
$8.49 - $22.92
Current price $8.49

Displaying the characteristic lime-green color of natural peridot, these emerald cut faceted imitation stones are crafted as a peridot simulant usi...

View full details
Original price $8.49 - Original price $22.92
Original price
$8.49 - $22.92
$8.49 - $22.92
Current price $8.49
10+ Supplies & Gravers, Get 12% Off

Square Faceted Imitation Emerald

Otto Frei
Part # Varies
Original price $3.50 - Original price $4.50
Original price
$3.50 - $4.50
$3.50 - $4.50
Current price $3.50

Displaying a rich emerald green, this Synthetic Spinel doublet is ideal as a May birthstone simulant. Each stone is composed of two layers of Synth...

View full details
Original price $3.50 - Original price $4.50
Original price
$3.50 - $4.50
$3.50 - $4.50
Current price $3.50
10+ Supplies & Gravers, Get 12% Off

Oval Genuine 14x10mm Nephrite Jade Cabochon

Otto Frei
Part # 928-NJ141
Original price $0.00 - Original price $0.00
Original price $0.00
$20.25
$20.25 - $20.25
Current price $20.25

Oval Genuine 14x10mm Nephrite Jade Cabochon is a natural gemstone cabochon suited for professional jewelers, metalsmiths, and designers seeking a c...

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Original price $0.00 - Original price $0.00
Original price $0.00
$20.25
$20.25 - $20.25
Current price $20.25