BUYJEM • Factory Direct
Product details
For wholesale: specs extracted from product content and saved fields.
Ship from / originWuzhou Gemstone City
Category
Lab-grown Alexandrite / Loose Gemstones
Gem type
Lab-Grown Alexandrite
Shape
Heart
Size / weight
3×3mm – 15×15mm
Cut
Excellent
Color
Blue-green to red-purple
Clarity
VS-VVS
Certificate
AGL/GRC
Growth method (lab)
Czochralski method
Factory / supplier
5 Wuzhou gem processing enterprises
Chemical
BeAl2O4
Hardness
8.5
Dispersion
0.015
Refractive index
1.74-1.76
Specific gravity
3.73-3.78
Customization
Custom cutting available
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This heart-cut lab-grown alexandrite showcases an excellent cut and VS-VVS clarity. Its most captivating feature is the distinct color change from blue-green in daylight to red-purple under incandescent light. Sizes range from 3×3mm to 15×15mm. Each stone is certified by AGL or GRC laboratories. Custom cutting is available upon request. The chemical composition is BeAl2O4, with a hardness of 8.5, a refractive index of 1.74-1.76, and a specific gravity of 3.73-3.78. Produced using the Czochralski method.