This is Natural BLACK OPAL WITH PLAY OF COLOR GEMSTONE TREATMENT: SMOKED Item Information: Dimensions (mm) 10.95 x 8.94 x 4.32mm Weight (carats) 2.5 carats Colors Type: Cabochon Shape:Oval Treatment:Heat Treatment All photos and video show actual item for sale. Photos and video taken with iPhone in natural outdoor light and have not been edited; except for cover photo which is a professional shot. Important Note: Weight and size of opal may still vary slightly from piece to piece due to difference in calibration of weighing and measuring scales. Color may not appear exactly as in real life due to variation between computer monitor resolution and lights. New item in original packaging as seen in photos. Offers considered. Bundle to save more Questions? Please leave comment below.