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Round Faceted Chrome Diopside

Otto Frei
Part # Varies
Original price $10.00 - Original price $136.00
Original price
$10.00 - $136.00
$10.00 - $136.00
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 $136.00
Original price
$10.00 - $136.00
$10.00 - $136.00
Current price $10.00
10+ Supplies & Gravers, Get 12% Off

Round Faceted Cubic Zirconia-Large Sizes 8.5mm to 18.0mm

Otto Frei
Part # Varies
Original price $12.96 - Original price $44.20
Original price
$12.96 - $44.20
$12.96 - $44.20
Current price $12.96

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

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Original price $12.96 - Original price $44.20
Original price
$12.96 - $44.20
$12.96 - $44.20
Current price $12.96
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 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
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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
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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 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
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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
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Round Faceted Genuine Iolite

Otto Frei
Part # Varies
Original price $6.00 - Original price $31.50
Original price
$6.00 - $31.50
$6.00 - $31.50
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 $31.50
Original price
$6.00 - $31.50
$6.00 - $31.50
Current price $6.00
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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
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Round Faceted Genuine Pink Tourmaline

Otto Frei
Part # Varies
Original price $10.00 - Original price $150.00
Original price
$10.00 - $150.00
$10.00 - $150.00
Current price $10.00

Pink Tourmaline has been highly prized in the Chinese imperial court for centuries and is also known by the trade name Rubellite. Tourmaline is cel...

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Original price $10.00 - Original price $150.00
Original price
$10.00 - $150.00
$10.00 - $150.00
Current price $10.00
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Round Faceted Genuine Ruby

Otto Frei
Part # Varies
Original price $8.00 - Original price $830.00
Original price
$8.00 - $830.00
$8.00 - $830.00
Current price $8.00

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 ...

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Original price $8.00 - Original price $830.00
Original price
$8.00 - $830.00
$8.00 - $830.00
Current price $8.00
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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
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Round Faceted Genuine Smoky Quartz

Otto Frei
Part # Varies
Original price $3.70 - Original price $9.00
Original price
$3.70 - $9.00
$3.70 - $9.00
Current price $3.70

Smoky Quartz is a widely available and affordable genuine gemstone with a long history of popularity, particularly during the Victorian era. Often ...

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Original price $3.70 - Original price $9.00
Original price
$3.70 - $9.00
$3.70 - $9.00
Current price $3.70
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Round Faceted Genuine Swiss Blue Topaz

Otto Frei
Part # Varies
Original price $6.00 - Original price $60.00
Original price
$6.00 - $60.00
$6.00 - $60.00
Current price $6.00

Swiss Blue Topaz is the trade name used to describe a vivid medium to medium-dark blue hue of topaz. This genuine faceted gemstone is a great alter...

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Original price $6.00 - Original price $60.00
Original price
$6.00 - $60.00
$6.00 - $60.00
Current price $6.00
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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
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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

Round Faceted Imitation Alexandrite, Synthetic Corundum (June)

Otto Frei
Part # Varies
Original price $0.50 - Original price $12.00
Original price
$0.50 - $12.00
$0.50 - $12.00
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 $12.00
Original price
$0.50 - $12.00
$0.50 - $12.00
Current price $0.50
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Round Faceted Imitation Amethyst, Synthetic Spinel Doublet (February)

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
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Round Faceted Imitation Aquamarine, Synthetic Spinel (March)

Otto Frei
Part # Varies
Original price $0.45 - Original price $11.50
Original price
$0.45 - $11.50
$0.45 - $11.50
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 $11.50
Original price
$0.45 - $11.50
$0.45 - $11.50
Current price $0.45
10+ Supplies & Gravers, Get 12% Off

Round Faceted Imitation Blue Zircon, Synthetic Spinel (December)

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
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Round Faceted Imitation Citrine, Synthetic Corundum (November)

Otto Frei
Part # Varies
Original price $1.05 - Original price $30.00
Original price
$1.05 - $30.00
$1.05 - $30.00
Current price $1.05

These Round Faceted Imitation Citrine stones display the rich golden yellow color characteristic of natural citrine. Composed of synthetic yellow c...

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Original price $1.05 - Original price $30.00
Original price
$1.05 - $30.00
$1.05 - $30.00
Current price $1.05
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Round Faceted Imitation Emerald, Synthetic Spinel Doublet and Nano Crystal (May)

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
10+ Supplies & Gravers, Get 12% Off

Round Faceted Imitation Peridot, Synthetic Spinel Doublet (August)

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

Round Faceted Imitation Pink Tourmaline, Synthetic Corundum (October)

Otto Frei
Part # Varies
Original price $0.60 - Original price $14.00
Original price
$0.60 - $14.00
$0.60 - $14.00
Current price $0.60

This Pink Tourmaline simulant is composed of lab-created synthetic pink corundum, displaying a beautiful rose pink hue that closely mimics the appe...

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Original price $0.60 - Original price $14.00
Original price
$0.60 - $14.00
$0.60 - $14.00
Current price $0.60
10+ Supplies & Gravers, Get 12% Off

Round Faceted Imitation Red Garnet, Synthetic Corundum (January)

Otto Frei
Part # Varies
Original price $0.42 - Original price $13.00
Original price
$0.42 - $13.00
$0.42 - $13.00
Current price $0.42

This round faceted garnet simulant is composed of synthetic red corundum, delivering a deep, vivid red color that closely replicates the look of na...

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Original price $0.42 - Original price $13.00
Original price
$0.42 - $13.00
$0.42 - $13.00
Current price $0.42
10+ Supplies & Gravers, Get 12% Off

Round Faceted Imitation Sapphire, Synthetic Spinel (September)

Otto Frei
Part # Varies
Original price $0.45 - Original price $11.50
Original price
$0.45 - $11.50
$0.45 - $11.50
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 $11.50
Original price
$0.45 - $11.50
$0.45 - $11.50
Current price $0.45
10+ Supplies & Gravers, Get 12% Off

Round Faceted Lab-Created Blue Sapphire

Otto Frei
Part # Varies
Original price $7.50 - Original price $15.00
Original price
$7.50 - $15.00
$7.50 - $15.00
Current price $7.50

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 $7.50 - Original price $15.00
Original price
$7.50 - $15.00
$7.50 - $15.00
Current price $7.50
Sold out
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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
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Round Faceted Lab-Created Nano Crystal Emerald

Otto Frei
Part # 910-605
Original price $5.25 - Original price $5.25
Original price
$5.25
$5.25 - $5.25
Current price $5.25

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 $5.25 - Original price $5.25
Original price
$5.25
$5.25 - $5.25
Current price $5.25
Sold out
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Round Faceted Lab-Created Ruby

Otto Frei
Part # Varies
Original price $0.80 - Original price $7.20
Original price
$0.80 - $7.20
$0.80 - $7.20
Current price $0.80

Composed of man-made corundum, this round faceted lab-created ruby shares the same chemical composition and durability as natural ruby. Known as th...

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Original price $0.80 - Original price $7.20
Original price
$0.80 - $7.20
$0.80 - $7.20
Current price $0.80
10+ Supplies & Gravers, Get 12% Off

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
10+ Supplies & Gravers, Get 12% Off

Round Faceted Pink Amethyst

Otto Frei
Part # Varies
Original price $5.50 - Original price $18.50
Original price
$5.50 - $18.50
$5.50 - $18.50
Current price $5.50

Pink Amethyst, also known as Rose De France, is amethyst that displays a pale pink to lavender color. Part of the quartz family, amethyst is the mo...

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Original price $5.50 - Original price $18.50
Original price
$5.50 - $18.50
$5.50 - $18.50
Current price $5.50
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

Round Genuine 8mm Nephrite Jade Cabochon

Otto Frei
Part # 928-RNJ08
Original price $0.00 - Original price $0.00
Original price $0.00
$12.00
$12.00 - $12.00
Current price $12.00

Round Genuine 8mm Nephrite Jade Cabochon offers jewelers and metalsmiths a classic, ready-to-set stone in one of the most enduring gem materials in...

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Original price $0.00 - Original price $0.00
Original price $0.00
$12.00
$12.00 - $12.00
Current price $12.00
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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