GEMOLOGICAL TEST CERTIFICATE
  REPORT NO : JBNGTL/41366/18  
  Colour:     Brown 
  Weight:     2.90cts 
  Shape Cut:     Oval Cabochon 
  Transparency:     Opaque 
  Optic Character:     SR 
  RI:     1.45 
  Hardness:     6 
  Characteristics:     Size:- 1370x9.50x5.60mm 
  Observation:     Natural Opal 
  Remarks: