Oval Shape Lightning Ridge Black Opal Doublet.. With Varied Voilet, Blue & Green Colour Fire.Size in MM: 9 x 7. Weight Carat: 1.67 Carat. 9x7 MM Lightning Ridge 1.67 Ct. Solid Crystal Black Opal" is in sale since Sunday, December 27, 2020. This item is in the category "Jewellery & Watches\Loose Diamonds & Gemstones\Loose Gemstones\Opal\Black Opals". The seller is "seldomart" and is located in North Parramatta, NSW. This item can be shipped worldwide.