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 Ruby
Shape
Square Step Cut
Size / weight
3×3mm – 15×15mm
Cut
Excellent
Color
Gem Red – Pigeon Blood Red
Clarity
VS-VVS
Certificate
AGL/GRC
Growth method (lab)
Czochralski Method
Factory / supplier
4 Wuzhou 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 ruby displays a rich gem red to pigeon blood red color. It features an excellent cut and VS-VVS clarity for high brilliance. Sizes range from 3x3mm to 15x15mm. Each stone is certified by AGL/GRC. Custom cutting is available upon request. The chemical composition is Al2O3 with a hardness of 9.0, a refractive index of 1.76-1.77, and a specific gravity of 3.99-4.05.