GEMOLOGICAL TEST CERTIFICATE
  REPORT NO : JBNGTL/2333/19  
  Colour:     Brown 
  Weight:     3.13 cts 
  Shape Cut:     Pear Cabochon 
  Transparency:     Opaque 
  Optic Character:     SR 
  RI:     1.45 
  Hardness:     6 
  Characteristics:     size:- 12.80x8.85x5.75mm 
  Observation:     Natural Opal 
  Remarks: