Laboratory Report Summary IGE N° : D33242 Gemstone Type : Natural Autralian Black Opal Grade: Full Vivid Fires Colors, Even Rarest Red Weight Ct : 10.94ct Size : 23.91x13.18x4.92 mm Color : Vivid Fires Cut : Cabochon Treatment : No indication of treatments Origin : Australia - From Lightning Ridge Mines ( Gemmologic Opinion Seller ) You can easy check that this Rarest Black Opal ( Internacional designation for non White Opals whithe Grey or Black Backgroung ) can reach trade value over 10 000 € Condition : New item, never used , in sealed Lab Bag Pictures : Not enhanced pictures. Photos are taken with macro lens under different lights to show the most détails with maximum honesty. Where I have represented the colour of this gemstone as accurately as I can, monitors and screens show colours differently. Please bear this in mind when bidding. Due to Magnification, some imperfections ( like micro scratches ) or details inclusions may not be visible to the naked eye, please carefully look at all pictures before placing a bid. Please note that Opals are Climateric Gemstones and their aparence can change. Shipping method : Full Value Insured by registered express mail with tracking number ( 1 to 12 open days for Europe - Outside Europe 2/3 Weeks ) .