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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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Oval Amber Cabochon

Otto Frei
Part # Varies
Original price $3.18 - Original price $62.80
Original price
$3.18 - $62.80
$3.18 - $62.80
Current price $3.18

Amber is an organic gem formed millions of years ago when sap from ancient pine trees hardened and fossilized. Amber artifacts date back to 10,000 ...

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Original price $3.18 - Original price $62.80
Original price
$3.18 - $62.80
$3.18 - $62.80
Current price $3.18
10+ Supplies & Gravers, Get 12% Off

Closeout Oval Red Moss Agate

Otto Frei
Part # Varies
Original price $3.00 - Original price $10.00
Original price
$3.00 - $10.00
$3.00 - $10.00
Current price $3.00

Oval Red Moss Agate cabochons offer a striking combination of warm red tones and the characteristic moss-like inclusions that make agate a perennia...

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Original price $3.00 - Original price $10.00
Original price
$3.00 - $10.00
$3.00 - $10.00
Current price $3.00
10+ Supplies & Gravers, Get 12% Off

Straight Baguette Faceted Cubic Zirconia

Otto Frei
Part # Varies
Original price $1.05 - Original price $3.20
Original price
$1.05 - $3.20
$1.05 - $3.20
Current price $1.05

Straight Step-Cut Baguette Cubic Zirconia stones offer an affordable, brilliant alternative to precious gemstones, making them ideal for statement ...

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Original price $1.05 - Original price $3.20
Original price
$1.05 - $3.20
$1.05 - $3.20
Current price $1.05
10+ Supplies & Gravers, Get 12% Off

Marquise Faceted Cubic Zirconia

Otto Frei
Part # Varies
Original price $1.50 - Original price $16.25
Original price
$1.50 - $16.25
$1.50 - $16.25
Current price $1.50

Cubic Zirconia is a man-made gemstone that serves as an affordable alternative to precious gemstones and is suitable for everyday wear. These marqu...

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Original price $1.50 - Original price $16.25
Original price
$1.50 - $16.25
$1.50 - $16.25
Current price $1.50
10+ Supplies & Gravers, Get 12% Off

Round Moissanite - 7mm

Otto Frei
Part # 965-070
Original price $0.00 - Original price $0.00
Original price $0.00
$37.50
$37.50 - $37.50
Current price $37.50

Moissanite is among the most brilliant gemstone simulants available to the jewelry trade, offering an exceptional combination of optical performanc...

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Original price $0.00 - Original price $0.00
Original price $0.00
$37.50
$37.50 - $37.50
Current price $37.50
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
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Round Faceted Genuine Garnet

Otto Frei
Part # Varies
Original price $1.65 - Original price $34.35
Original price
$1.65 - $34.35
$1.65 - $34.35
Current price $1.65

Garnet is a set of closely related minerals sharing the same crystal structure while varying in chemical composition. Red is the most common and ab...

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Original price $1.65 - Original price $34.35
Original price
$1.65 - $34.35
$1.65 - $34.35
Current price $1.65
10+ Supplies & Gravers, Get 12% Off

Oval Lab-Created Ruby Cabochon

Otto Frei
Part # Varies
Original price $5.00 - Original price $12.00
Original price
$5.00 - $12.00
$5.00 - $12.00
Current price $5.00

Composed of man-made corundum with the same chemical composition and durability as natural ruby, these oval lab-created ruby cabochons offer excell...

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Original price $5.00 - Original price $12.00
Original price
$5.00 - $12.00
$5.00 - $12.00
Current price $5.00
10+ Supplies & Gravers, Get 12% Off

Round Amber Cabochon

Otto Frei
Part # Varies
Original price $7.00 - Original price $21.60
Original price
$7.00 - $21.60
$7.00 - $21.60
Current price $7.00

Amber is an organic gem formed millions of years ago when sap from ancient pine trees hardened and fossilized. Amber artifacts date back to 10,000 ...

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Original price $7.00 - Original price $21.60
Original price
$7.00 - $21.60
$7.00 - $21.60
Current price $7.00
10+ Supplies & Gravers, Get 12% Off

Round Rose Quartz Cabochon

Otto Frei
Part # Varies
Original price $1.25 - Original price $8.25
Original price
$1.25 - $8.25
$1.25 - $8.25
Current price $1.25

Rose Quartz derives its name from its pastel pink appearance, ranging from very light to medium-dark pink. Known as the "love stone," this gem has ...

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Original price $1.25 - Original price $8.25
Original price
$1.25 - $8.25
$1.25 - $8.25
Current price $1.25
Closeout: Sold As Is

Closeout Pack of 6 Druzy Quartz Light Blue Round 8mm

Otto Frei
Part # 939-108
Original price $35.00
Original price $35.00 - Original price $35.00
Original price $35.00
Current price $25.00
$25.00 - $25.00
Current price $25.00
List Price: $35.00

Druzy Quartz adds a colorful, glittery texture to any jewelry design at an affordable cost. The term "Druzy" refers to clusters of tiny crystals th...

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Original price $35.00
Original price $35.00 - Original price $35.00
Original price $35.00
Current price $25.00
$25.00 - $25.00
Current price $25.00
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Round Moissanite 3.5mm

Otto Frei
Part # 965-035
Original price $0.00 - Original price $0.00
Original price $0.00
$4.75
$4.75 - $4.75
Current price $4.75

Moissanite is one of the most brilliant gemstone simulants available to the jewelry trade. In the jewelry industry, all moissanite is synthetic mat...

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Original price $0.00 - Original price $0.00
Original price $0.00
$4.75
$4.75 - $4.75
Current price $4.75
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...

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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

Oval Black Onyx Cabochon

Otto Frei
Part # Varies
Original price $0.60 - Original price $8.00
Original price
$0.60 - $8.00
$0.60 - $8.00
Current price $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...

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Original price $0.60 - Original price $8.00
Original price
$0.60 - $8.00
$0.60 - $8.00
Current price $0.60
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Oval Genuine Lapis Lazuli Cabochon, High Quality

Otto Frei
Part # Varies
Original price $4.45 - Original price $48.00
Original price
$4.45 - $48.00
$4.45 - $48.00
Current price $4.45

Lapis Lazuli has been mined in the mountains of Afghanistan for more than 6,000 years — home to the world's oldest known commercial gemstone mines....

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Original price $4.45 - Original price $48.00
Original price
$4.45 - $48.00
$4.45 - $48.00
Current price $4.45
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Emerald/Octagon Faceted Lab-Created Ruby

Otto Frei
Part # Varies
Original price $3.15 - Original price $8.37
Original price
$3.15 - $8.37
$3.15 - $8.37
Current price $3.15

Cut in a classic emerald/octagon faceted shape, these lab-created rubies are composed of man-made corundum sharing the same chemical composition an...

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Original price $3.15 - Original price $8.37
Original price
$3.15 - $8.37
$3.15 - $8.37
Current price $3.15
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Round Faceted Genuine Citrine

Otto Frei
Part # Varies
Original price $4.40 - Original price $28.00
Original price
$4.40 - $28.00
$4.40 - $28.00
Current price $4.40

Citrine ranges from transparent yellow to brownish orange in color and takes its name from citron, a fruit related to the lemon. Most citrine is pr...

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Original price $4.40 - Original price $28.00
Original price
$4.40 - $28.00
$4.40 - $28.00
Current price $4.40
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Round Swiss Blue Topaz Cabochon

Otto Frei
Part # Varies
Original price $3.45 - Original price $40.68
Original price
$3.45 - $40.68
$3.45 - $40.68
Current price $3.45

Swiss Blue Topaz is the trade name used to describe a vivid medium to medium-dark blue hue of topaz. This gem is a great alternative to aquamarine,...

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Original price $3.45 - Original price $40.68
Original price
$3.45 - $40.68
$3.45 - $40.68
Current price $3.45
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Oval Sleeping Beauty Turquoise Cabochon

Otto Frei
Part # Varies
Original price $13.50 - Original price $800.00
Original price
$13.50 - $800.00
$13.50 - $800.00
Current price $13.50

Turquoise has been a prized gemstone for many cultures and civilizations, including the Ancient Egyptians and Native Americans. Turquoise is heavil...

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Original price $13.50 - Original price $800.00
Original price
$13.50 - $800.00
$13.50 - $800.00
Current price $13.50
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Cultured Freshwater Round Pearl

Otto Frei
Part # Varies
Original price $2.00 - Original price $17.50
Original price
$2.00 - $17.50
$2.00 - $17.50
Current price $2.00

From talismans believed to protect against fire and dragons in ancient China to symbols of modesty and purity in Europe, pearls have been treasured...

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Original price $2.00 - Original price $17.50
Original price
$2.00 - $17.50
$2.00 - $17.50
Current price $2.00
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Round Genuine Hematite Cabochon

Otto Frei
Part # Varies
Original price $1.95 - Original price $2.25
Original price
$1.95 - $2.25
$1.95 - $2.25
Current price $1.95

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 $1.95 - Original price $2.25
Original price
$1.95 - $2.25
$1.95 - $2.25
Current price $1.95
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Round Faceted Genuine White Sapphire

Otto Frei
Part # Varies
Original price $5.44 - Original price $298.00
Original price
$5.44 - $298.00
$5.44 - $298.00
Current price $5.44

White sapphire, also known as colorless sapphire or leucosapphire, is corundum in its purest form. Differing amounts and combinations of trace elem...

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Original price $5.44 - Original price $298.00
Original price
$5.44 - $298.00
$5.44 - $298.00
Current price $5.44
Closeout: Sold As Is

Closeout-Round Swarovski Gemstonesâ„¢ Genuine Violac Topaz

Swarovski
Part # 922-210
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 Violac Topaz elevates natural topaz through two proprietary processes: the Natural Brilliance Cut and the TCF (Thermal Colo...

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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
Closeout: Sold As Is

Closeout-Round Swarovski Gemstonesâ„¢ Genuine Blazing Red Topaz

Swarovski
Part # Varies
Original price $12.60 - Original price $16.80
Original price $12.60 - Original price $16.80
Original price $12.60
$9.00 - $12.00
$9.00 - $12.00
Current price $9.00

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

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Original price $12.60 - Original price $16.80
Original price $12.60 - Original price $16.80
Original price $12.60
$9.00 - $12.00
$9.00 - $12.00
Current price $9.00
10+ Supplies & Gravers, Get 12% Off

Round Rose-Cut Marcasite

Otto Frei
Part # Varies
Original price $17.00 - Original price $25.00
Original price
$17.00 - $25.00
$17.00 - $25.00
Current price $17.00

With a polished metallic, mirror-like appearance, marcasite is a classic choice for antique-style and silver jewelry. Made from a form of pyrite th...

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Original price $17.00 - Original price $25.00
Original price
$17.00 - $25.00
$17.00 - $25.00
Current price $17.00
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Round Blue Onyx Cabochon

Otto Frei
Part # Varies
Original price $1.50 - Original price $16.00
Original price
$1.50 - $16.00
$1.50 - $16.00
Current price $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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Original price $1.50 - Original price $16.00
Original price
$1.50 - $16.00
$1.50 - $16.00
Current price $1.50
10+ Supplies & Gravers, Get 12% Off

Round Red Jasper Cabochon

Otto Frei
Part # Varies
Original price $2.60 - Original price $4.50
Original price
$2.60 - $4.50
$2.60 - $4.50
Current price $2.60

Jasper is an opaque chalcedony that can display a variety of colors and patterns, making each stone unique. These round red jasper cabochons featur...

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Original price $2.60 - Original price $4.50
Original price
$2.60 - $4.50
$2.60 - $4.50
Current price $2.60
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Round Faceted Tanzanite

Otto Frei
Part # Varies
Original price $10.00 - Original price $400.00
Original price
$10.00 - $400.00
$10.00 - $400.00
Current price $10.00

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

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Original price $10.00 - Original price $400.00
Original price
$10.00 - $400.00
$10.00 - $400.00
Current price $10.00
10+ Supplies & Gravers, Get 12% Off

Oval Faceted Lab-Created Blue Sapphire

Otto Frei
Part # Varies
Original price $5.00 - Original price $22.95
Original price
$5.00 - $22.95
$5.00 - $22.95
Current price $5.00

These oval faceted lab-created blue sapphires are composed of man-made corundum sharing the same chemical composition and physical durability as na...

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Original price $5.00 - Original price $22.95
Original price
$5.00 - $22.95
$5.00 - $22.95
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

Oval Lab-Created Blue Sapphire Cabochon

Otto Frei
Part # Varies
Original price $16.00 - Original price $36.00
Original price
$16.00 - $36.00
$16.00 - $36.00
Current price $16.00

These oval lab-created blue sapphire cabochons are composed of man-made corundum sharing the same chemical composition and durability as natural sa...

View full details
Original price $16.00 - Original price $36.00
Original price
$16.00 - $36.00
$16.00 - $36.00
Current price $16.00
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

Oval Opal Triplet Cabochon

Otto Frei
Part # Varies
Original price $9.00 - Original price $95.00
Original price
$9.00 - $95.00
$9.00 - $95.00
Current price $9.00

Opal is the world's most popular phenomenal gemstone, with many cultures believing that opals have supernatural origins and power. These oval opal ...

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Original price $9.00 - Original price $95.00
Original price
$9.00 - $95.00
$9.00 - $95.00
Current price $9.00
10+ Supplies & Gravers, Get 12% Off

Round Sleeping Beauty Turquoise Cabochon

Otto Frei
Part # Varies
Original price $5.00 - Original price $320.00
Original price
$5.00 - $320.00
$5.00 - $320.00
Current price $5.00

Turquoise has been a prized gemstone across many cultures and civilizations, from Ancient Egyptians to Native Americans. Found in Egyptian tombs an...

View full details
Original price $5.00 - Original price $320.00
Original price
$5.00 - $320.00
$5.00 - $320.00
Current price $5.00
10+ Supplies & Gravers, Get 12% Off

Pear Faceted Cubic Zirconia

Otto Frei
Part # Varies
Original price $1.95 - Original price $18.00
Original price
$1.95 - $18.00
$1.95 - $18.00
Current price $1.95

Cubic zirconia is a man-made gemstone that offers an affordable alternative to precious gemstones while delivering impressive brilliance and sparkl...

View full details
Original price $1.95 - Original price $18.00
Original price
$1.95 - $18.00
$1.95 - $18.00
Current price $1.95
10+ Supplies & Gravers, Get 12% Off

Round Faceted Genuine Blue Sapphire

Otto Frei
Part # Varies
Original price $6.00 - Original price $500.00
Original price
$6.00 - $500.00
$6.00 - $500.00
Current price $6.00

Sapphire is one of the most popular colored gemstones in the United States, prized for its extraordinary durability and suitability for everyday we...

View full details
Original price $6.00 - Original price $500.00
Original price
$6.00 - $500.00
$6.00 - $500.00
Current price $6.00