Opal is shown using direct sunlight and no light at all so you can see the variance in color. Measures 1 inch in height including its bale x 12.5mm across. Backing on opal is visible to confirm it is natural opal, not synthetic. The item "Natural Australian Boulder Opal Ladies Pendant Sterling" is in sale since Wednesday, June 3, 2020.This item is in the category "Jewelry & Watches\Fine Jewelry\Fine Necklaces & Pendants\Gemstone". The seller is "blackonyx-88" and is located in Stockton, California. This item can be shipped to United States.