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Round cut lab grown cobalt blue spinel
$50.00 – $369.00
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Elongated cushion cut lab grown cobalt blue spinel
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Description
Brand: WeJEWELER
Stone Type: Czochralski (CZ) Pulled Method
Chemical Property: MgAl2O4
Hardness: 8.2 Moh’s Scale
Refractive Index: 1.694
Specific Gravity: 3.62
Certificate: GRC (on request only, and need to pay more USD17 for one certificate)
Custom cutting acceptable
Lab grown cobalt spinel have the same chemical, physical, and optical characteristics as the natural mined cobalt blue spinel
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