BUYJEM • Factory Direct
Product details
For wholesale: specs extracted from product content and saved fields.
Ship from / originWuzhou Gemstone City
Category
Lab-grown Spinel / Loose Gemstones
Gem type
Lab-Grown Cobalt Blue Spinel
Shape
Pear
Size / weight
3×5mm – 13×18mm
Cut
Excellent
Color
Blue
Clarity
VVS
Certificate
AGL/GRC
Growth method (lab)
Czochralski method
Factory / supplier
3 Wuzhou gem processing enterprises
Chemical
MgAl2O4
Hardness
8.2
Refractive index
1.694
Specific gravity
3.58-3.61
Customization
Custom cutting available
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This exquisite pear-cut lab-grown cobalt blue spinel offers a vibrant and sophisticated blue hue. Available in a range of sizes from 3x5mm to 13x18mm, each stone features VVS clarity and an excellent cut for maximum brilliance. It possesses identical chemical and optical properties to natural spinel, with a hardness of 8.2 and a refractive index of 1.694. Certificates are available from AGL or GRC. Custom cutting is available upon request.