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Gem Resources
PO Box 62006
Minneapolis, MN 55426

Phone: (612) 664-0252
Toll-Free: (800) 588-8515
E-Mail:
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Lab Faceted Gemstones

September 2023

Blue Sapphire Facet Round Assorted Blues

Natural Sapphire Faceted Assorted Color tones

Hardness: 9
Refractive index: 1.76
Specific Gravity: 4.0
Dispersion: .018 medium
Heat Sensitivity: None
Treatment: Heat Treated
Care: Wash with warm, soapy water. Ultrasonic and steam cleaning are usually safe.

Metal Clay, safe to fire.
Test Results, Silver 1200F-1HR, Silver 1475F-1HR, Bronze 1525F-2HR, Copper 1778F-30min. Safe to use torch and safe to use carbon.

1.4 - 1.6 mm	Regular 8 pieces $10.00	Sale price 16 pieces $11.00
1.7 - 1.9 mm	Regular 4 pieces $8.00	Sale price 8 pieces $9.00
2.1 - 2.3 mm	Regular 4 pieces $10.00	Sale price 8 pieces $11.00
2.6 - 2.8 mm	Regular 4 pieces $16.00	Sale price 8 pieces $15.00
3.2 - 3.3 mm	Regular $11.00 each	Sale price 2 pieces $12.00
3.4 - 3.7 mm	Regular $15.00 each	Sale price 2 pieces $16.00

Yellow Sapphire Facet Round

Natural Sapphire Faceted Assorted Color tones

Hardness: 9
Refractive index: 1.76
Specific Gravity: 4.0
Dispersion: .018 medium
Heat Sensitivity: None
Treatment: Heat Treated
Care: Wash with warm, soapy water. Ultrasonic and steam cleaning are usually safe.

Metal Clay, safe to fire.
Test Results, Silver 1200F-1HR, Silver 1475F-1HR, Bronze 1525F-2HR, Copper 1778F-30min. Safe to use torch and safe to use carbon.

1.7 - 1.9 mm	Regular 4 pieces $8.00	Sale price 8 pieces $9.00
2.2 - 2.3 mm	Regular 4 pieces $10.00	Sale price 8 pieces $11.00
2.6 - 2.8 mm	Regular 4 pieces $16.00	Sale price 8 pieces $17.00

Multi Color Princess Cut Sapphire

Natural Sapphire Faceted

Hardness: 9
Refractive index: 1.76
Specific Gravity: 4.0
Dispersion: .018 medium
Heat Sensitivity: None
Treatment: Heat Treated
Care: Wash with warm, soapy water. Ultrasonic and steam cleaning are usually safe.

Metal Clay, safe to fire.
Test Results, Silver 1200F-1HR, Silver 1475F-1HR, Bronze 1525F-2HR, Copper 1778F-30min. Safe to use torch and safe to use carbon.

1.8 x1.8 - 1.9 x1.9 mm	Regular 4 pieces $9.00	Sale price 8 pieces $10.00
2.1x2.1 - 2.3x2.3 mm	Regular 4 pieces $10.00	Sale price 8 pieces $11.00
2.6x2.6 - 2.7x2.7 mm	Regular $10.00 each	Sale price 2 pieces $11.00

White Sapphire Round

Natural Sapphire Faceted

Hardness: 9
Refractive index: 1.76
Specific Gravity: 4.0
Dispersion: .018 medium
Heat Sensitivity: None
Treatment: Heat Treated
Care: Wash with warm, soapy water. Ultrasonic and steam cleaning are usually safe.

Metal Clay, safe to fire.
Test Results, Silver 1200F-1HR, Silver 1475F-1HR, Bronze 1525F-2HR, Copper 1778F-30min. Safe to use torch and safe to use carbon.

3.2 - 3.3 mm	Regular $12.00 each	Sale price 2 pieces $13.00
3.6 - 3.7 mm	Regular $16.00 each	Sale price 2 pieces $17.00

Closeout Sapphire Light Blue Facet Assorted Shapes

Natural Sapphire Faceted

Hardness: 9
Refractive index: 1.76
Specific Gravity: 4.0
Dispersion: .018 medium
Heat Sensitivity: None
Treatment: Heat Treated
Care: Wash with warm, soapy water. Ultrasonic and steam cleaning are usually safe.

Metal Clay, safe to fire.
Test Results, Silver 1200F-1HR, Silver 1475F-1HR, Bronze 1525F-2HR, Copper 1778F-30min. Safe to use torch and safe to use carbon.

1 carat, 2 to 3 pieces

Closeout

$12.00

Cubic Zirconia Orange Round, Safe to fire

Hardness: 8.5-9
Refractive index: 2.15
Specific Gravity: 5.6-6.0
Dispersion:058-.060
Heat Sensitivity: Low
Treatment: Synthetic
Bright, beautiful, hard and flawless.

Metal Clay, safe to fire.
Test Results, Silver 1200F-1HR, Silver 1475F-1HR, Bronze 1525F-2HR, Copper 1778F-30min. Safe to use torch and safe to use carbon.

2 mm	Regular 50 pieces $8.00	Sale price 100 pieces $9.00
3 mm	Regular 25 pieces $7.00	Sale price 50 pieces $8.00
4 mm	Regular 25 pieces $10.00	Sale price 50 pieces $11.00
5 mm	Regular 12 pieces $8.00	Sale price 24 pieces $9.00
6 mm	Regular 10 pieces $9.00	Sale price 10 pieces $5.00
8 mm	Regular 6 pieces $9.00	Sale price 6 pieces $5.00
11 mm	Regular 2 pieces $8.00	Sale price 2 pieces $4.00

Cubic Zirconia Yellow Round, Safe to fire

Hardness: 8.5-9
Refractive index: 2.15
Specific Gravity: 5.6-6.0
Dispersion:058-.060
Heat Sensitivity: Low
Treatment: Synthetic
Bright, beautiful, hard and flawless.

Metal Clay, safe to fire.
Test Results, Silver 1200F-1HR, Silver 1475F-1HR, Bronze 1525F-2HR, Copper 1778F-30min. Safe to use torch and safe to use carbon.

2 mm	Regular 50 pieces $8.00	Sale price 100 pieces $9.00
3 mm	Regular 25 pieces $7.00	Sale price 50 pieces $8.00
4 mm	Regular 25 pieces $10.00	Sale price 50 pieces $11.00
5 mm	Regular 12 pieces $8.00	Sale price 24 pieces $9.00
6 mm	Regular 10 pieces $9.00	Sale price 10 pieces $5.00
8 mm	Regular 6 pieces $9.00	Sale price 6 pieces $5.00
10 mm	Regular 4 piece $11.00	Sale price 4 pieces $6.00
11 mm	Regular 2 pieces $8.00	Sale price 2 pieces $4.00
12 mm	Regular 2 pieces $10.00	Sale price 2 pieces $6.00

Cubic Zirconia Diamond White (Clear) Round, Safe to Fire

White (clear) Cubic Zirconia
Hardness: 8.5-9
Refractive index: 2.15
Specific Gravity: 5.6-6.0
Dispersion:058-.060
Heat Sensitivity: Low
Treatment: Synthetic
Bright, beautiful, hard and flawless.

Metal Clay, safe to fire.
Test Results, Silver 1200F-1HR, Silver 1475F-1HR, Bronze 1525F-2HR, Copper 1778F-30min. Safe to use torch and safe to use carbon.

2 mm	Regular 50 pieces $6.00	Sale price 100 pieces $7.00
3 mm	Regular 50 pieces $11.00	Sale price 100 pieces $12.00
4 mm	Regular 25 pieces $9.00	Sale price 50 pieces $10.00
5 mm	Regular 25 pieces $14.00	Sale price 50 pieces $15.00
6 mm	Regular 12 pieces $9.00	Sale price 6 pieces $5.00
8 mm	Regular 6 pieces $8.00	Sale price 12 pieces $9.00
10 mm	Regular 6 pieces $15.00	Sale price 6 pieces $8.00

Cubic Zirconia Champagne Round, Safe to Fire

Hardness: 8.5-9
Refractive index: 2.15
Specific Gravity: 5.6-6.0
Dispersion:058-.060
Heat Sensitivity: Low
Treatment: Synthetic
Bright, beautiful, hard and flawless.

Metal Clay, safe to fire.
Test Results, Silver 1200F-1HR, Silver 1475F-1HR, Bronze 1525F-2HR, Copper 1778F-30min. Safe to use torch and safe to use carbon.

2 mm	Regular 50 pieces $8.00	Sale price 100 pieces $9.00
3 mm	Regular 25 pieces $7.00	Sale price 50 pieces $8.00
5 mm	Regular 12 pieces $8.00	Sale price 24 pieces $9.00
6 mm	Regular 10 pieces $9.00	Sale price 10 pieces $5.00
11 mm	Regular 2 pieces $8.00	Sale price 2 pieces $4.00
12 mm	Regular 2 pieces $10.00	Sale price 2 pieces $6.00
15 mm	Regular $8.00 each	Sale price $5.00 each

Cubic Zirconia Peridot Round, Safe to Fire

Hardness: 8.5-9
Refractive index: 2.15
Specific Gravity: 5.6-6.0
Dispersion:058-.060
Heat Sensitivity: Low
Treatment: Synthetic
Bright, beautiful, hard and flawless.

Metal Clay, safe to fire.
Test Results, Silver 1200F-1HR, Silver 1475F-1HR, Bronze 1525F-2HR, Copper 1778F-30min. Safe to use torch and safe to use carbon.

2 mm	Regular 50 pieces $8.00	Sale price 100 pieces $9.00
3 mm	Regular 25 pieces $7.00	Sale price 50 pieces $8.00
4 mm	Regular 25 pieces $10.00	Sale price 50 pieces $11.00
5 mm	Regular 12 pieces $8.00	Sale price 24 pieces $9.00
6 mm	Regular 10 pieces $9.00	Sale price 10 pieces $5.00
8 mm	Regular 6 pieces $9.00	Sale price 6 pieces $5.00
10 mm	Regular 4 piece $11.00	Sale price 4 pieces $6.00
15 mm	Regular $8.00 each	Sale price 2 pieces $6.00

Cubic Zirconia Pink Round, Safe to Fire

Hardness: 8.5-9
Refractive index: 2.15
Specific Gravity: 5.6-6.0
Dispersion:058-.060
Heat Sensitivity: Low
Treatment: Synthetic
Bright, beautiful, hard and flawless.

Metal Clay, safe to fire.
Test Results, Silver 1200F-1HR, Silver 1475F-1HR, Bronze 1525F-2HR, Copper 1778F-30min. Safe to use torch and safe to use carbon.

Cubic Zirconia Purple Round, Safe to Fire

Hardness: 8.5-9
Refractive index: 2.15
Specific Gravity: 5.6-6.0
Dispersion:058-.060
Heat Sensitivity: Low
Treatment: Synthetic
Bright, beautiful, hard and flawless.

Metal Clay, safe to fire.
Test Results, Silver 1200F-1HR, Silver 1475F-1HR, Bronze 1525F-2HR, Copper 1778F-30min. Safe to use torch and safe to use carbon.

2 mm	Regular 50 pieces $8.00	Sale price 100 pieces $9.00
3 mm	Regular 25 pieces $7.00	Sale price 50 pieces $8.00
5 mm	Regular 12 pieces $8.00	Sale price 24 pieces $9.00
6 mm	Regular 10 pieces $9.00	Sale price 10 pieces $5.00
10 mm	Regular 4 pieces $11.00	Sale price 4 pieces $6.00
11 mm	Regular 2 pieces $8.00	Sale price 2 pieces $6.00
15 mm	Regular $8.00 each	Sale price $5.00 each

Lab Corundum Ruby Round, Safe to Fire

Hardness: 9
Refractive index: 1.76
Specific Gravity: 4.0
Dispersion: .018 medium
Heat Sensitivity: None

Metal Clay, safe to fire.
Test Results, Silver 1200F-1HR, Silver 1475F-1HR, Bronze 1525F-2HR, Copper 1778F-30min. Safe to use torch and safe to use carbon.

2 mm	Regular 50 pieces $13.00	Sale price 100 pieces $14.00
2.5 mm	Regular 25 pieces $8.00	Sale price 50 pieces $9.00
3 mm	Regular 25 pieces $11.00	Sale price 50 pieces $12.00
4 mm	Regular 12 pieces $9.00	Sale price 24 pieces $10.00
5 mm	Regular 6 pieces $6.00	Sale price 12 pieces $7.00
6 mm	Regular 6 pieces $8.00	Sale price 12 pieces $9.00
12 mm	Regular $7.00 each	Sale price 2 pieces $8.00
15 mm	Regular $15.00 each	Sale price $8.00 each

Lab Corundum Garnet and Alexandrite Assortment Round, Safe to Fire

Hardness: 9
Refractive index: 1.76
Specific Gravity: 4.0
Dispersion: .018 medium
Heat Sensitivity: None

Metal Clay, safe to fire.
Test Results, Silver 1200F-1HR, Silver 1475F-1HR, Bronze 1525F-2HR, Copper 1778F-30min. Safe to use torch and safe to use carbon.

2 mm	Regular 12 pieces $6.00	Sale price 24 pieces $7.00
2.5 mm	Regular 12 pieces $7.00	Sale price 24 pieces $8.00
3 mm	Regular 12 piece $8.00	Sale price 24 pieces $9.00
4 mm	Regular 6 pieces $6.00	Sale price 12 pieces $7.00
5 mm	Regular 6 pieces $9.00	Sale price 12 pieces $10.00
6 mm	Regular 6 pieces $13.00	Sale price 12 pieces $14.00

Lab Spinel Blue Zircon Round, Safe to Fire

ardness: 8.0
Refractive index: 1.728
Specific Gravity: 3.64
Dispersion: 020
Heat Sensitivity: None
Hard, durable and great colors.

Metal Clay, safe to fire.
Test Results, Silver 1200F-1HR, Silver 1475F-1HR, Bronze 1525F-2HR, Copper 1778F-30min. Safe to use torch and safe to use carbon

Lab Spinel Aquamarine Round, Safe to Fire

ardness: 8.0
Refractive index: 1.728
Specific Gravity: 3.64
Dispersion: 020
Heat Sensitivity: None
Hard, durable and great colors.

Metal Clay, safe to fire.
Test Results, Silver 1200F-1HR, Silver 1475F-1HR, Bronze 1525F-2HR, Copper 1778F-30min. Safe to use torch and safe to use carbon

2 mm	Regular 12 pieces $6.00	Sale price 24 pieces $7.00
2.5 mm	Regular 12 pieces $7.00	Sale price 24 pieces $8.00
3 mm	Regular 12 piece $8.00	Sale price 24 pieces $9.00
4 mm	Regular 6 pieces $6.00	Sale price 12 pieces $7.00
5 mm	Regular 6 pieces $9.00	Sale price 12 pieces $10.00
6 mm	Regular 6 pieces $12.00	Sale price 12 pieces $13.00
7 mm	Regular 2 pieces $6.00	Sale price 4 pieces $7.00
12 mm	Regular $20.00 each	Sale price $11.00 each
15 mm	Regular $27.00 each	Sale price $14.00 each

Lab Spinel Sapphire Round, Safe to Fire

Hardness: 8.0
Refractive index: 1.728
Specific Gravity: 3.64
Dispersion: 020
Heat Sensitivity: None
Hard, durable and great colors.

Metal Clay, safe to fire.
Test Results, Silver 1200F-1HR, Silver 1475F-1HR, Bronze 1525F-2HR, Copper 1778F-30min. Safe to use torch and safe to use carbon

Emerald Green Nano Facet Round - Safe to Fire

Metal Clay Test, safe to fire.

This is a man made material that is the color of Colombian emerald.

Nano gemstones is a glass-ceramic material with nano size spinel crystals.
Density: 3-3.3
Luster: RI-1.61-1.64
Melting temperature: 2900 to 3100 F
High thermal shock resistance make it ideal for wax-casting and metal clay.

2 mm	Regular 50 pieces $8.00	Sale price 100 pieces $9.00
2.5 mm	Regular 25 pieces $6.00	Sale price 50 pieces $7.00
3 mm	Regular 12 pieces $5.00	Sale price 24 pieces $6.00
4 mm	Regular 6 pieces $6.00	Sale price 12 pieces $7.00
5 mm	Regular 6 pieces $8.00	Sale price 12 pieces $9.00
6 mm	Regular 4 pieces $8.00	Sale price 8 pieces $9.00

Black Nano Facet Round- Safe to Fire

Metal Clay Test, safe to fire.

Nano gemstones is a glass-ceramic material with nano size spinel crystals.
Density: 3-3.3
Luster: RI-1.61-1.64
Melting temperature: 2900 to 3100 F
High thermal shock resistance make it ideal for wax-casting and metal clay.

2 mm	Regular 50 pieces $5.00	Sale price 100 pieces $6.00
3 mm	Regular 25 pieces $7.00	Sale price 50 pieces $8.00
4 mm	Regular 20 pieces $10.00	Sale price 40 pieces $11.00
5 mm	Regular 10 pieces $8.00	Sale price 20 pieces $9.00
6 mm	Regular 10 pieces $10.00	Sale price 20 pieces $11.00

Pink Opal Nano Facet Round - Safe to Fire

Metal Clay Test, safe to fire.

Nano gemstones is a glass-ceramic material with nano size spinel crystals.
Density: 3-3.3
Luster: RI-1.61-1.64
Melting temperature: 2900 to 3100 F
High thermal shock resistance make it ideal for wax-casting and metal clay.

2 mm	Regular 50 pieces $8.00	Sale price 100 pieces $9.00
3 mm	Regular 12 pieces $5.00	Sale price 24 pieces $6.00
4 mm	Regular 6 pieces $6.00	Sale price 12 pieces $7.00
5 mm	Regular 6 pieces $8.00	Sale price 12 pieces $9.00
6 mm	Regular 4 pieces $8.00	Sale price 8 pieces $9.00

Turquoise Nano Facet, Safe to fire

Metal Clay Test, safe to fire 1675F.

Nano gemstones is a glass-ceramic material with nano size spinel crystals.
Density: 3-3.3
Luster: RI-1.61-1.64
Melting temperature: 2900 to 3100 F
High thermal shock resistance make it ideal for wax-casting and metal clay.

2 mm	Regular 50 pieces $8.00	Sale price 100 pieces $9.00
3 mm	Regular 25 pieces $9.00	Sale price 50 pieces $10.00
4 mm	Regular 6 pieces $5.00	Sale price 12 pieces $6.00
5 mm	Regular 4 pieces $5.00	Sale price 8 pieces $6.00
6 mm	Regular 2 pieces $5.00	Sale price 4 pieces $6.00

Tanzanite Blue Nano Safe to fire

Metal Clay Test, safe to fire 1675F.

Nano gemstones is a glass-ceramic material with nano size spinel crystals.
Density: 3-3.3
Luster: RI-1.61-1.64
Melting temperature: 2900 to 3100 F
High thermal shock resistance make it ideal for wax-casting and metal clay.

4 mm	Regular 6 pieces $5.00	Sale price 12 pieces $6.00
5 mm	Regular 4 pieces $7.00	Sale price 8 pieces $8.00
6 mm	Regular 2 pieces $6.00	Sale price 4 pieces $7.00

Blue Green Paraiba Nano Safe to fire

Metal Clay Test, safe to fire 1675F.

Nano gemstones is a glass-ceramic material with nano size spinel crystals.
Density: 3-3.3
Luster: RI-1.61-1.64
Melting temperature: 2900 to 3100 F
High thermal shock resistance make it ideal for wax-casting and metal clay.

3 mm	Regular 10 pieces $6.00	Sale price 20 pieces $7.00
4 mm	Regular 6 pieces $5.00	Sale price 12 pieces $6.00
5 mm	Regular 4 pieces $7.00	Sale price 8 pieces $8.00
6 mm	Regular 2 pieces $6.00	Sale price 4 pieces $7.00

Cubic Zirconia Purple Checkerboard Top, Safe to Fire

Metal Clay, safe to fire.
Test Results, Silver 1200F-1HR, Silver 1475F-1HR, Bronze 1525F-2HR, Copper 1778F-30min. Safe to use torch and safe to use carbon.

3 mm	Regular 12 pieces $6.00	Sale price 24 pieces $7.00
4 mm	Regular 12 pieces $7.00	Sale price 24 pieces $8.00
6 mm	Regular 6 pieces $7.00	Sale price 12 pieces $8.00

Cubic Zirconia Peridot Checkerboard Top Safe to Fire

Metal Clay, safe to fire.
Test Results, Silver 1200F-1HR, Silver 1475F-1HR, Bronze 1525F-2HR, Copper 1778F-30min. Safe to use torch and safe to use carbon.

3 mm	Regular 12 pieces $6.00	Sale price 24 pieces $7.00
4 mm	Regular 12 pieces $7.00	Sale price 24 pieces $8.00
5 mm	Regular 12 pieces $9.00	Sale price 24 pieces $10.00
6 mm	Regular 6 pieces $7.00	Sale price 12 pieces $8.00

Cubic Zirconia Pink Checkerboard Top Safe to Fire

Metal Clay, safe to fire.
Test Results, Silver 1200F-1HR, Silver 1475F-1HR, Bronze 1525F-2HR, Copper 1778F-30min. Safe to use torch and safe to use carbon.

3 mm	Regular 12 pieces $6.00	Sale price 24 pieces $7.00
4 mm	Regular 12 pieces $7.00	Sale price 24 pieces $8.00
5 mm	Regular 12 pieces $9.00	Sale price 24 pieces $10.00
6 mm	Regular 6 pieces $7.00	Sale price 12 pieces $8.00

Cubic Zirconia Champagne Checkerboard Top Safe to Fire

Metal Clay, safe to fire.
Test Results, Silver 1200F-1HR, Silver 1475F-1HR, Bronze 1525F-2HR, Copper 1778F-30min. Safe to use torch and safe to use carbon.

3 mm	Regular 12 pieces $6.00	Sale price 24 pieces $7.00
4 mm	Regular 12 pieces $7.00	Sale price 24 pieces $8.00
5 mm	Regular 12 pieces $9.00	Sale price 24 pieces $10.00
6 mm	Regular 6 pieces $7.00	Sale price 12 pieces $8.00

Closeout Cubic Zirconia White Checkerboard Top Safe to Fire

Metal Clay, safe to fire.
Test Results, Silver 1200F-1HR, Silver 1475F-1HR, Bronze 1525F-2HR, Copper 1778F-30min. Safe to use torch and safe to use carbon.

3 mm	Regular 12 pieces $6.00	Closeout 36 pieces $6.00
4 mm	Regular 12 pieces $7.00	Closeout 36 pieces $7.00
5 mm	Regular 12 pieces $9.00	Closeout 36 pieces $10.00