20.64ct Natural Multi Pattern Australian Boulder Opal

20.64ct Natural Multi Pattern Australian Boulder Opal.

• Stone:̴Ì_Boulder Opal
  
• Dimensions of the stone: Approx. 31.00 x 16.26 x 4.55mm.
• Clarity: Opaque.
• Shape: Oval Cabochon.
• Colour: Multi Colour.
• Treatment: Unheated.
• Weight: Approx. 20.64 carats.
• Hardness:̴Ì_6.50
• Origin: Australia
• Presented in a gemstone box.
• Authenticity Guaranteed by Georgiadis Jewellery.
• The images provided are to show the shapes of the stones only. Please refer to the description for the colour & size of stones.