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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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Closeout: Sold As Is

Closeout-Round Swarovski Gemstonesâ„¢ Genuine Ice Blue Topaz

Swarovski
Part # Varies
Original price $12.60 - Original price $16.04
Original price $12.60 - Original price $16.04
Original price $12.60
$9.00 - $11.46
$9.00 - $11.46
Current price $9.00

Swarovski Gemsâ„¢ Genuine Ice Blue Topaz elevates natural topaz with two proprietary enhancements: the patented Natural Brilliance Cut and the TCF (T...

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Original price $12.60 - Original price $16.04
Original price $12.60 - Original price $16.04
Original price $12.60
$9.00 - $11.46
$9.00 - $11.46
Current price $9.00
10+ Supplies & Gravers, Get 12% Off

Round Faceted Imitation Sapphire

Otto Frei
Part # Varies
Original price $0.45 - Original price $6.60
Original price
$0.45 - $6.60
$0.45 - $6.60
Current price $0.45

Mimicking the rich royal blue of natural sapphire, these round faceted imitation sapphires are composed of lab-created blue spinel. Designed as a s...

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Original price $0.45 - Original price $6.60
Original price
$0.45 - $6.60
$0.45 - $6.60
Current price $0.45
10+ Supplies & Gravers, Get 12% Off

Round Faceted Lab-Created Blue Sapphire

Otto Frei
Part # Varies
Original price $6.15 - Original price $14.95
Original price
$6.15 - $14.95
$6.15 - $14.95
Current price $6.15

Composed of man-made corundum with the same chemical composition and durability as natural sapphire, these round faceted lab-created blue sapphires...

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Original price $6.15 - Original price $14.95
Original price
$6.15 - $14.95
$6.15 - $14.95
Current price $6.15
10+ Supplies & Gravers, Get 12% Off

Oval Genuine Turquoise Cabochon (With Matrix)

Otto Frei
Part # Varies
Original price $6.30 - Original price $23.75
Original price
$6.30 - $23.75
$6.30 - $23.75
Current price $6.30

Turquoise has been a prized gemstone across many cultures and civilizations, including Ancient Egyptians and Native Americans. Revered for centurie...

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Original price $6.30 - Original price $23.75
Original price
$6.30 - $23.75
$6.30 - $23.75
Current price $6.30
10+ Supplies & Gravers, Get 12% Off

Round Faceted Imitation Blue Zircon

Otto Frei
Part # Varies
Original price $0.60 - Original price $14.58
Original price
$0.60 - $14.58
$0.60 - $14.58
Current price $0.60

This lab-created blue Spinel delivers the rich ocean blue hue characteristic of zircon, without zircon's inherent brittleness. Composed of syntheti...

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Original price $0.60 - Original price $14.58
Original price
$0.60 - $14.58
$0.60 - $14.58
Current price $0.60
10+ Supplies & Gravers, Get 12% Off

Round Faceted Imitation Aquamarine

Otto Frei
Part # Varies
Original price $0.45 - Original price $7.50
Original price
$0.45 - $7.50
$0.45 - $7.50
Current price $0.45

These round faceted imitation aquamarine stones simulate the light sky blue color of natural aquamarine and are composed of lab-created blue spinel...

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Original price $0.45 - Original price $7.50
Original price
$0.45 - $7.50
$0.45 - $7.50
Current price $0.45
10+ Supplies & Gravers, Get 12% Off

Round Lab-Created Blue Sapphire Cabochon

Otto Frei
Part # Varies
Original price $7.60 - Original price $17.00
Original price
$7.60 - $17.00
$7.60 - $17.00
Current price $7.60

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

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Original price $7.60 - Original price $17.00
Original price
$7.60 - $17.00
$7.60 - $17.00
Current price $7.60
Closeout: Sold As Is

Closeout-Round Swarovski Gemstonesâ„¢ Genuine Kashmir Blue Topaz

Swarovski
Part # 922-F10
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 Kashmir Blue Topaz elevates natural topaz through two proprietary innovations: the Natural Brilliance Cut and the TCF (Ther...

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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 Synthetic Ocean Blue Zircon Spinel

Otto Frei
Part # Varies
Original price $2.00 - Original price $12.20
Original price
$2.00 - $12.20
$2.00 - $12.20
Current price $2.00

Oval Synthetic Ocean Blue Zircon Spinel offers jewelers and metalsmiths a vibrant, lab-created gemstone alternative with the rich ocean blue color ...

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Original price $2.00 - Original price $12.20
Original price
$2.00 - $12.20
$2.00 - $12.20
Current price $2.00
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
10+ Supplies & Gravers, Get 12% Off

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
10+ Supplies & Gravers, Get 12% Off

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
10+ Supplies & Gravers, Get 12% Off

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
10+ Supplies & Gravers, Get 12% Off

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 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

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

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...

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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

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...

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Original price $6.00 - Original price $500.00
Original price
$6.00 - $500.00
$6.00 - $500.00
Current price $6.00
10+ Supplies & Gravers, Get 12% Off

Round Faceted Genuine Aquamarine

Otto Frei
Part # Varies
Original price $10.00 - Original price $75.00
Original price
$10.00 - $75.00
$10.00 - $75.00
Current price $10.00

Aquamarine takes its name from the Latin word for "sea water," displaying a cool blue that ranges from greenish blue to blue-green. A member of the...

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Original price $10.00 - Original price $75.00
Original price
$10.00 - $75.00
$10.00 - $75.00
Current price $10.00
10+ Supplies & Gravers, Get 12% Off

Oval Blue Onyx Cabochon

Otto Frei
Part # Varies
Original price $1.40 - Original price $12.25
Original price
$1.40 - $12.25
$1.40 - $12.25
Current price $1.40

Blue onyx, also known as blue agate, is dyed chalcedony — a microcrystalline quartz prized by jewelers and gem artists for its smooth, uniform tran...

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Original price $1.40 - Original price $12.25
Original price
$1.40 - $12.25
$1.40 - $12.25
Current price $1.40
10+ Supplies & Gravers, Get 12% Off

Pear Faceted Imitation Blue Zircon

Otto Frei
Part # Varies
Original price $3.60 - Original price $7.50
Original price
$3.60 - $7.50
$3.60 - $7.50
Current price $3.60

This lab-created blue spinel displays the ocean blue shade of zircon without its characteristic brittleness. Crafted as a zircon simulant, these pe...

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Original price $3.60 - Original price $7.50
Original price
$3.60 - $7.50
$3.60 - $7.50
Current price $3.60
10+ Supplies & Gravers, Get 12% Off

Octagon Faceted Lab-Created Blue Sapphire

Otto Frei
Part # Varies
Original price $5.75 - Original price $10.80
Original price
$5.75 - $10.80
$5.75 - $10.80
Current price $5.75

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

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Original price $5.75 - Original price $10.80
Original price
$5.75 - $10.80
$5.75 - $10.80
Current price $5.75
10+ Supplies & Gravers, Get 12% Off

Oval Faceted Imitation Sapphire

Otto Frei
Part # Varies
Original price $2.10 - Original price $11.40
Original price
$2.10 - $11.40
$2.10 - $11.40
Current price $2.10

Mimicking the royal blue color of natural sapphire, these oval faceted imitation sapphires are composed of lab-created blue spinel. Designed as a s...

View full details
Original price $2.10 - Original price $11.40
Original price
$2.10 - $11.40
$2.10 - $11.40
Current price $2.10
10+ Supplies & Gravers, Get 12% Off

Emerald Cut Faceted Imitation Sapphire

Otto Frei
Part # Varies
Original price $2.49 - Original price $13.65
Original price
$2.49 - $13.65
$2.49 - $13.65
Current price $2.49

Mimicking the royal blue color of natural sapphire, these emerald cut faceted imitation sapphires are composed of lab-created blue spinel. Offered ...

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Original price $2.49 - Original price $13.65
Original price
$2.49 - $13.65
$2.49 - $13.65
Current price $2.49
10+ Supplies & Gravers, Get 12% Off

Square Faceted Imitation Blue Zircon

Otto Frei
Part # Varies
Original price $3.70 - Original price $4.60
Original price
$3.70 - $4.60
$3.70 - $4.60
Current price $3.70

This lab-created blue Spinel displays the ocean blue shade of zircon without its characteristic brittleness. Composed of synthetic Spinel, these sq...

View full details
Original price $3.70 - Original price $4.60
Original price
$3.70 - $4.60
$3.70 - $4.60
Current price $3.70
10+ Supplies & Gravers, Get 12% Off

Square Faceted Imitation Aquamarine

Otto Frei
Part # Varies
Original price $2.55 - Original price $4.41
Original price
$2.55 - $4.41
$2.55 - $4.41
Current price $2.55

Simulating the soft, light sky blue of natural Aquamarine, these square faceted stones are composed of lab-created Blue Spinel. Offered in calibrat...

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Original price $2.55 - Original price $4.41
Original price
$2.55 - $4.41
$2.55 - $4.41
Current price $2.55
10+ Supplies & Gravers, Get 12% Off

Round Faceted Genuine Sky Blue Topaz

Otto Frei
Part # Varies
Original price $3.50 - Original price $16.02
Original price
$3.50 - $16.02
$3.50 - $16.02
Current price $3.50

Sky Blue Topaz is the trade name used to describe a bright, light blue hue of topaz. This gem is a great alternative to aquamarine, offering more i...

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Original price $3.50 - Original price $16.02
Original price
$3.50 - $16.02
$3.50 - $16.02
Current price $3.50
10+ Supplies & Gravers, Get 12% Off

Pear Faceted Imitation Sapphire

Otto Frei
Part # Varies
Original price $2.50 - Original price $6.50
Original price
$2.50 - $6.50
$2.50 - $6.50
Current price $2.50

Mimicking the royal blue color of natural sapphire, these pear faceted imitation sapphires are composed of lab-created blue spinel. Offered in a ra...

View full details
Original price $2.50 - Original price $6.50
Original price
$2.50 - $6.50
$2.50 - $6.50
Current price $2.50
10+ Supplies & Gravers, Get 12% Off

Round Genuine Turquoise Cabochon (With Matrix)

Otto Frei
Part # Varies
Original price $5.00 - Original price $40.15
Original price
$5.00 - $40.15
$5.00 - $40.15
Current price $5.00

Turquoise has been a prized gemstone across many cultures and civilizations, including Ancient Egyptians and Native Americans. Colored by copper, t...

View full details
Original price $5.00 - Original price $40.15
Original price
$5.00 - $40.15
$5.00 - $40.15
Current price $5.00
10+ Supplies & Gravers, Get 12% Off

Oval Genuine Sodalite Cabochon

Otto Frei
Part # Varies
Original price $1.70 - Original price $8.00
Original price
$1.70 - $8.00
$1.70 - $8.00
Current price $1.70

These oval genuine sodalite cabochons offer a rich royal blue color that makes them a striking choice for rings, pendants, earrings, and other jewe...

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Original price $1.70 - Original price $8.00
Original price
$1.70 - $8.00
$1.70 - $8.00
Current price $1.70
10+ Supplies & Gravers, Get 12% Off

Round Genuine Sodalite Cabochon

Otto Frei
Part # Varies
Original price $1.90 - Original price $4.40
Original price
$1.90 - $4.40
$1.90 - $4.40
Current price $1.90

Round genuine sodalite cabochons offer a rich, deep royal blue color that makes them a compelling and more accessible alternative to lapis lazuli. ...

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Original price $1.90 - Original price $4.40
Original price
$1.90 - $4.40
$1.90 - $4.40
Current price $1.90
Closeout: Sold As Is

Closeout-Round Swarovski Gemstonesâ„¢ Genuine Faceted 1mm Bright Blue & Pink Sapphires | OttoFrei.com

Swarovski
Part # Varies
Original price $5.60
Original price $5.60 - Original price $5.60
Original price $5.60
Current price $4.00
$4.00 - $4.00
Current price $4.00
List Price: $5.60

Sold by the piece, these Round Swarovski Gemstonesâ„¢ Genuine Faceted Sapphires offer exceptional quality in a 1mm diameter. Available in Bright Blue...

View full details
Original price $5.60
Original price $5.60 - Original price $5.60
Original price $5.60
Current price $4.00
$4.00 - $4.00
Current price $4.00
10+ Supplies & Gravers, Get 12% Off

Emerald Cut Faceted Imitation Blue Zircon

Otto Frei
Part # Varies
Original price $4.00 - Original price $15.50
Original price
$4.00 - $15.50
$4.00 - $15.50
Current price $4.00

This lab-created blue Spinel displays the ocean blue shade of zircon without its characteristic brittleness. Crafted as a zircon simulant, these em...

View full details
Original price $4.00 - Original price $15.50
Original price
$4.00 - $15.50
$4.00 - $15.50
Current price $4.00
10+ Supplies & Gravers, Get 12% Off

Emerald Cut Imitation Aquamarine

Otto Frei
Part # Varies
Original price $2.90 - Original price $13.50
Original price
$2.90 - $13.50
$2.90 - $13.50
Current price $2.90

Simulating the light sky blue of natural aquamarine, these emerald cut stones are composed of lab-created blue spinel. Available in a range of cali...

View full details
Original price $2.90 - Original price $13.50
Original price
$2.90 - $13.50
$2.90 - $13.50
Current price $2.90
10+ Supplies & Gravers, Get 12% Off

Pear Faceted Genuine Swiss Blue Topaz

Otto Frei
Part # Varies
Original price $7.00 - Original price $16.00
Original price
$7.00 - $16.00
$7.00 - $16.00
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 gem is a great alternative to aquamarine,...

View full details
Original price $7.00 - Original price $16.00
Original price
$7.00 - $16.00
$7.00 - $16.00
Current price $7.00