Skip to content

Gemstones

Filters

$0 $830
10+ Supplies & Gravers, Get 12% Off

Round Picture Jasper Cabochon

Otto Frei
Part # Varies
Original price $3.90 - Original price $5.25
Original price
$3.90 - $5.25
$3.90 - $5.25
Current price $3.90

Picture Jasper cabochons offer the natural beauty of an opaque chalcedony stone, prized for its tan base accented with brown and black dots, swirls...

View full details
Original price $3.90 - Original price $5.25
Original price
$3.90 - $5.25
$3.90 - $5.25
Current price $3.90
10+ Supplies & Gravers, Get 12% Off

Round Genuine Aquamarine Cabochon

Otto Frei
Part # Varies
Original price $10.50 - Original price $85.02
Original price
$10.50 - $85.02
$10.50 - $85.02
Current price $10.50

Aquamarine takes its name from the Latin for "sea water," and its cool, tranquil blue reflects that origin beautifully. Ranging from light to mediu...

View full details
Original price $10.50 - Original price $85.02
Original price
$10.50 - $85.02
$10.50 - $85.02
Current price $10.50
10+ Supplies & Gravers, Get 12% Off

Round Denim Lapis Cabochon

Otto Frei
Part # Varies
Original price $1.80 - Original price $2.55
Original price
$1.80 - $2.55
$1.80 - $2.55
Current price $1.80

Lapis Lazuli has been mined in the mountains of Afghanistan for more than 6,000 years — these mountains are among the world's oldest known commerci...

View full details
Original price $1.80 - Original price $2.55
Original price
$1.80 - $2.55
$1.80 - $2.55
Current price $1.80
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
10+ Supplies & Gravers, Get 12% Off

Round Opal Triplet Cabochon

Otto Frei
Part # Varies
Original price $12.80 - Original price $22.05
Original price
$12.80 - $22.05
$12.80 - $22.05
Current price $12.80

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

View full details
Original price $12.80 - Original price $22.05
Original price
$12.80 - $22.05
$12.80 - $22.05
Current price $12.80
10+ Supplies & Gravers, Get 12% Off

Round Tiger's-Eye Cabochon

Otto Frei
Part # Varies
Original price $2.00 - Original price $10.00
Original price
$2.00 - $10.00
$2.00 - $10.00
Current price $2.00

Tiger's Eye is a member of the quartz family and one of the top-selling gemstones among jewelers and metalsmiths. Its enduring popularity stems fro...

View full details
Original price $2.00 - Original price $10.00
Original price
$2.00 - $10.00
$2.00 - $10.00
Current price $2.00
10+ Supplies & Gravers, Get 12% Off

Cultured Freshwater Fully Drilled Pearl

Otto Frei
Part # Varies
Original price $5.25 - Original price $23.25
Original price
$5.25 - $23.25
$5.25 - $23.25
Current price $5.25

From ancient China, where pearls were believed to protect against fire and dragons, to Europe, where they symbolized modesty and purity, pearls hav...

View full details
Original price $5.25 - Original price $23.25
Original price
$5.25 - $23.25
$5.25 - $23.25
Current price $5.25
10+ Supplies & Gravers, Get 12% Off

Round Created Diamond - 3.5mm

Otto Frei
Part # 97C-350
Original price $0.00 - Original price $0.00
Original price $0.00
$36.00
$36.00 - $36.00
Current price $36.00

This 3.5mm full cut round brilliant diamond offers the brilliance and elegance of a traditional diamond at a reduced cost and with less environment...

View full details
Original price $0.00 - Original price $0.00
Original price $0.00
$36.00
$36.00 - $36.00
Current price $36.00
10+ Supplies & Gravers, Get 12% Off

Diamond Melee 2mm SI

Otto Frei
Part # 970-020
Original price $0.00 - Original price $0.00
Original price $0.00
$35.00
$35.00 - $35.00
Current price $35.00

Add brilliant sparkle to your fine jewelry designs with this 2mm Full Cut Round Diamond Melee, sold individually. With an F–G color grade and SI cl...

View full details
Original price $0.00 - Original price $0.00
Original price $0.00
$35.00
$35.00 - $35.00
Current price $35.00
Sold out
10+ Supplies & Gravers, Get 12% Off

Round Kyanite Cabochon

Otto Frei
Part # 9CB-RO-001-BL-20MM
Original price $25.00 - Original price $25.00
Original price
$25.00
$25.00 - $25.00
Current price $25.00

Kyanite takes its name from the Greek word kyanos, meaning "dark blue." This distinctive gemstone closely resembles sapphire and is widely used as ...

View full details
Original price $25.00 - Original price $25.00
Original price
$25.00
$25.00 - $25.00
Current price $25.00
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...

View full details
Original price $0.00 - Original price $0.00
Original price $0.00
$20.25
$20.25 - $20.25
Current price $20.25
10+ Supplies & Gravers, Get 12% Off

Oval Genuine 12x10mm Nephrite Jade Cabochon

Otto Frei
Part # 928-NJ121
Original price $0.00 - Original price $0.00
Original price $0.00
$18.75
$18.75 - $18.75
Current price $18.75

Oval Genuine 12x10mm Nephrite Jade Cabochon is a natural stone cabochon cut to a classic oval profile, ideal for setting in rings, pendants, brooch...

View full details
Original price $0.00 - Original price $0.00
Original price $0.00
$18.75
$18.75 - $18.75
Current price $18.75
10+ Supplies & Gravers, Get 12% Off

Oval Genuine 11x9mm Nephrite Jade Cabochon

Otto Frei
Part # 928-NJ119
Original price $0.00 - Original price $0.00
Original price $0.00
$16.50
$16.50 - $16.50
Current price $16.50

Oval Genuine 11x9mm Nephrite Jade Cabochon brings the rich, earthy character of authentic nephrite jade to your jewelry designs. Each cabochon feat...

View full details
Original price $0.00 - Original price $0.00
Original price $0.00
$16.50
$16.50 - $16.50
Current price $16.50
10+ Supplies & Gravers, Get 12% Off

Oval Genuine 10x8mm Nephrite Jade Cabochon

Otto Frei
Part # 928-NJ108
Original price $0.00 - Original price $0.00
Original price $0.00
$15.00
$15.00 - $15.00
Current price $15.00

Oval Genuine 10x8mm Nephrite Jade Cabochon is a natural stone cabochon ideal for setting into rings, pendants, brooches, and other fine jewelry pro...

View full details
Original price $0.00 - Original price $0.00
Original price $0.00
$15.00
$15.00 - $15.00
Current price $15.00
10+ Supplies & Gravers, Get 12% Off

Oval Genuine 9x7mm Nephrite Jade Cabochon

Otto Frei
Part # 928-NJ97
Original price $0.00 - Original price $0.00
Original price $0.00
$13.50
$13.50 - $13.50
Current price $13.50

Oval Genuine 9x7mm Nephrite Jade Cabochon is a classic cut stone for jewelers and metalsmiths seeking a natural, ready-to-set gem. Each cabochon fe...

View full details
Original price $0.00 - Original price $0.00
Original price $0.00
$13.50
$13.50 - $13.50
Current price $13.50
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...

View full details
Original price $0.00 - Original price $0.00
Original price $0.00
$12.00
$12.00 - $12.00
Current price $12.00
10+ Supplies & Gravers, Get 12% Off

Todd Reed 3mm Round Diamond Cabochon

Otto Frei
Part # 985-535
Original price $0.00 - Original price $0.00
Original price $0.00
$115.00
$115.00 - $115.00
Current price $115.00

Sold by the piece. We are delighted to carry Todd Reed patented Diamond Cabochons. Each cabochon is made in a die to create a beautifully polished ...

View full details
Original price $0.00 - Original price $0.00
Original price $0.00
$115.00
$115.00 - $115.00
Current price $115.00
10+ Supplies & Gravers, Get 12% Off

Todd Reed 2.1mm Round Diamond Cabochon

Otto Frei
Part # 985-533
Original price $0.00 - Original price $0.00
Original price $0.00
$50.00
$50.00 - $50.00
Current price $50.00

Todd Reed patented Diamond Cabochons bring a distinctive, handcrafted character to fine jewelry design. Each cabochon is formed in a die to produce...

View full details
Original price $0.00 - Original price $0.00
Original price $0.00
$50.00
$50.00 - $50.00
Current price $50.00
10+ Supplies & Gravers, Get 12% Off

Todd Reed 1.8mm Round Diamond Cabochon

Otto Frei
Part # 985-532
Original price $0.00 - Original price $0.00
Original price $0.00
$27.50
$27.50 - $27.50
Current price $27.50

Todd Reed patented Diamond Cabochons bring a distinctive, artisan-quality aesthetic to fine jewelry design. Each cabochon is formed in a die to pro...

View full details
Original price $0.00 - Original price $0.00
Original price $0.00
$27.50
$27.50 - $27.50
Current price $27.50
10+ Supplies & Gravers, Get 12% Off

Todd Reed 1.6mm Round Diamond Cabochon

Otto Frei
Part # 985-531
Original price $0.00 - Original price $0.00
Original price $0.00
$20.00
$20.00 - $20.00
Current price $20.00

Todd Reed patented Diamond Cabochons bring a distinctive, handcrafted character to fine jewelry work. Each cabochon is formed in a die to produce a...

View full details
Original price $0.00 - Original price $0.00
Original price $0.00
$20.00
$20.00 - $20.00
Current price $20.00
10+ Supplies & Gravers, Get 12% Off

Todd Reed 2.6mm Round Diamond Cabochon

Otto Frei
Part # 985-534
Original price $0.00 - Original price $0.00
Original price $0.00
$75.00
$75.00 - $75.00
Current price $75.00

Todd Reed Diamond Cabochons bring a distinctive, handcrafted character to fine jewelry design. Each cabochon measures 2.6mm round and is formed in ...

View full details
Original price $0.00 - Original price $0.00
Original price $0.00
$75.00
$75.00 - $75.00
Current price $75.00
Sold out
10+ Supplies & Gravers, Get 12% Off

Round Moissanite - 10mm

Otto Frei
Part # 965-100
Original price $0.00 - Original price $0.00
Original price $0.00
$85.00
$85.00 - $85.00
Current price $85.00

Round Moissanite in 10mm offers exceptional optical performance for fine jewelry applications. All moissanite used in the jewelry industry is synth...

View full details
Original price $0.00 - Original price $0.00
Original price $0.00
$85.00
$85.00 - $85.00
Current price $85.00
Sold out
10+ Supplies & Gravers, Get 12% Off

Diamond Melee 4mm SI

Otto Frei
Part # 970-040
Original price $0.00 - Original price $0.00
Original price $0.00
$330.00
$330.00 - $330.00
Current price $330.00

Sold individually. This 4mm SI Full Cut Round Diamond Melee is a premium accent stone ideal for adding brilliance around a center stone or creating...

View full details
Original price $0.00 - Original price $0.00
Original price $0.00
$330.00
$330.00 - $330.00
Current price $330.00
Sold out
10+ Supplies & Gravers, Get 12% Off

Diamond Melee 3.5mm SI

Otto Frei
Part # 970-035
Original price $0.00 - Original price $0.00
Original price $0.00
$190.00
$190.00 - $190.00
Current price $190.00

A full cut round diamond melee sold individually, ideal for accent stone applications or standalone sparkle details. At 3.5mm, this stone offers a ...

View full details
Original price $0.00 - Original price $0.00
Original price $0.00
$190.00
$190.00 - $190.00
Current price $190.00
Sold out
10+ Supplies & Gravers, Get 12% Off

Diamond Melee 3mm SI

Otto Frei
Part # 970-030
Original price $0.00 - Original price $0.00
Original price $0.00
$100.00
$100.00 - $100.00
Current price $100.00

A full cut round diamond melee sold individually, ideal for adding brilliant accent stones to a centerpiece or creating standalone sparkle in pavé,...

View full details
Original price $0.00 - Original price $0.00
Original price $0.00
$100.00
$100.00 - $100.00
Current price $100.00
Sold out
10+ Supplies & Gravers, Get 12% Off

Round Created Diamond - 5.25mm

Otto Frei
Part # 97C-525
Original price $0.00 - Original price $0.00
Original price $0.00
$115.50
$115.50 - $115.50
Current price $115.50

A full-cut round created diamond in a 5.25mm diameter, offering a brilliant alternative to mined stones. Created via the CVD (Chemical Vapor Deposi...

View full details
Original price $0.00 - Original price $0.00
Original price $0.00
$115.50
$115.50 - $115.50
Current price $115.50
Sold out
10+ Supplies & Gravers, Get 12% Off

Round Created Diamond - 5mm

Otto Frei
Part # 97C-500
Original price $0.00 - Original price $0.00
Original price $0.00
$95.00
$95.00 - $95.00
Current price $95.00

This 5mm full-cut created round diamond offers a brilliant alternative to mined diamonds, delivering comparable optical beauty with reduced environ...

View full details
Original price $0.00 - Original price $0.00
Original price $0.00
$95.00
$95.00 - $95.00
Current price $95.00
Sold out
10+ Supplies & Gravers, Get 12% Off

Round Created Diamond - 4.5mm

Otto Frei
Part # 97C-450
Original price $0.00 - Original price $0.00
Original price $0.00
$73.50
$73.50 - $73.50
Current price $73.50

This 4.5mm full cut round created diamond offers a brilliant, faceted stone with the look and quality of a natural diamond at a lower cost and with...

View full details
Original price $0.00 - Original price $0.00
Original price $0.00
$73.50
$73.50 - $73.50
Current price $73.50
Sold out
10+ Supplies & Gravers, Get 12% Off

Round Created Diamond - 4mm

Otto Frei
Part # 97C-400
Original price $0.00 - Original price $0.00
Original price $0.00
$49.90
$49.90 - $49.90
Current price $49.90

This 4mm full cut round diamond offers the brilliance and fire of a natural diamond at a lower cost and with reduced environmental impact. Produced...

View full details
Original price $0.00 - Original price $0.00
Original price $0.00
$49.90
$49.90 - $49.90
Current price $49.90

Rock Deco 3.5mm Diamond Pearls-Orange (N)

Otto Frei
Part # 977-035OR
Original price $160.00
Original price $160.00 - Original price $160.00
Original price $160.00
Current price $120.00
$120.00 - $120.00
Current price $120.00
List Price: $160.00

Let these diamonds roll! Rock Deco's 3.5mm Diamond Pearls are beautifully round spheres with a high polish, offering a distinctive organic appeal f...

View full details
Original price $160.00
Original price $160.00 - Original price $160.00
Original price $160.00
Current price $120.00
$120.00 - $120.00
Current price $120.00
10+ Supplies & Gravers, Get 12% Off

Rock Deco 4.5mm Diamond Pearls Yellow

Otto Frei
Part # 977-045Y
Original price $0.00 - Original price $0.00
Original price $0.00
$380.00
$380.00 - $380.00
Current price $380.00

These 4.5mm natural diamond pearls from Rock Deco are beautifully rounded spheres cut for use in fine jewelry design. Each stone is unique, with co...

View full details
Original price $0.00 - Original price $0.00
Original price $0.00
$380.00
$380.00 - $380.00
Current price $380.00
10+ Supplies & Gravers, Get 12% Off

Rock Deco 4.5mm Diamond Pearls Orange

Otto Frei
Part # 977-045OR
Original price $0.00 - Original price $0.00
Original price $0.00
$380.00
$380.00 - $380.00
Current price $380.00

These Rock Deco 4.5mm diamond pearls are beautifully rounded natural diamond spheres, each one unique in character. Color varies stone to stone, ra...

View full details
Original price $0.00 - Original price $0.00
Original price $0.00
$380.00
$380.00 - $380.00
Current price $380.00
10+ Supplies & Gravers, Get 12% Off

Pack-5 Round Lab Grown Diamond-1.75mm

Otto Frei
Part # 97C-175
Original price $0.00 - Original price $0.00
Original price $0.00
$25.00
$25.00 - $25.00
Current price $25.00

These 1.75 mm round lab grown diamond melee stones are sold in a convenient pack of 5, ideal for adding bright, precise accents to engagement rings...

View full details
Original price $0.00 - Original price $0.00
Original price $0.00
$25.00
$25.00 - $25.00
Current price $25.00
10+ Supplies & Gravers, Get 12% Off

Rock Deco 4.5mm Diamond Pearls Grey

Otto Frei
Part # 977-045G
Original price $0.00 - Original price $0.00
Original price $0.00
$380.00
$380.00 - $380.00
Current price $380.00

Let these diamonds roll. These 4.5mm diamond pearls are nicely rounded spheres, each one unique in character. Color varies from yellow-grey, green-...

View full details
Original price $0.00 - Original price $0.00
Original price $0.00
$380.00
$380.00 - $380.00
Current price $380.00
10+ Supplies & Gravers, Get 12% Off

Diamond Melee 2.6mm SI

Otto Frei
Part # 970-026
Original price $0.00 - Original price $0.00
Original price $0.00
$69.00
$69.00 - $69.00
Current price $69.00

Add brilliance and professional-grade sparkle to fine jewelry with this 2.6mm Full Cut Round Diamond Melee. Ideal for accent work around a center s...

View full details
Original price $0.00 - Original price $0.00
Original price $0.00
$69.00
$69.00 - $69.00
Current price $69.00
10+ Supplies & Gravers, Get 12% Off

Diamond Melee 2.5mm SI

Otto Frei
Part # 970-025
Original price $0.00 - Original price $0.00
Original price $0.00
$61.75
$61.75 - $61.75
Current price $61.75

Full Cut Round Diamond Melee Sold individually. Full cut round diamond melee is perfect for adding brilliance to any jewelry design—whether used a...

View full details
Original price $0.00 - Original price $0.00
Original price $0.00
$61.75
$61.75 - $61.75
Current price $61.75