Round cut lab grown cobalt blue spinel


  • Stone Type: Czochralski(CZ) Pulled
  • Stone Size: 6.00mm – 12.00mm
  • Stone Cut: Excellent
  • Stone Color: Cobalt blue
  • Stone Clarity: VVS
  • Availability: In Stock
    6.00 mm6.50 mm7.00 mm8.00 mm9.00 mm10.00 mm11.00 mm12.00 mm
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    • 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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