BUYJEM • Factory Direct
Product details
For wholesale: specs extracted from product content and saved fields.
Ship from / originWuzhou Gemstone City
Category
Lab-grown Corundum (Ruby/Sapphire) / Loose Gemstones
Gem type
Lab-Grown Sapphire
Shape
Square Step Cut
Size / weight
3×3mm – 15×15mm
Cut
Excellent
Color
Gem Blue-Royal Blue-Cornflower Blue
Clarity
VS-VVS
Certificate
AGL/GRC
Growth method (lab)
Czochralski Method
Factory / supplier
4 Wuzhou-based gem processing enterprises
Chemical
Al2O3
Hardness
9.0
Dispersion
0.018
Refractive index
1.76-1.77
Specific gravity
3.99-4.05
Customization
Custom cutting available
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This square step-cut lab-grown blue sapphire offers a spectrum from Cornflower to Royal Blue. Available in sizes from 3x3mm to 15x15mm, it features VS-VVS clarity and an excellent cut. Certified by AGL/GRC, it is produced by Wuzhou-based manufacturers. Custom cutting is available upon request.