The ruler in the images measures in millimeters (mm). The item "LIGHTNING RIDGE SOLID BLACK OPAL WITH BRILLIANT GREEN AQUA BLUE COLOURS! 3.60ct" is in sale since Friday, February 19, 2021.
This item is in the category "Jewellery & Watches\Loose Diamonds & Gemstones\Loose Gemstones". The seller is "opalrough11" and is located in Lightning Rdige, New South Wales. This item can be shipped worldwide.