Parcel of Australian Cut Black Opal from Lightning Ridge - BLC00970. On offer are 9 beautiful Australian picture opals from Lightning Ridge area. Dimensions of largest stone only, 3.7X6.7X2.9mm, total carat weight for all 9 stones included. As you can see from the pictures?They vary in size and shape. Total Carat Weight (TCW) : 5.6 Region : Lightning Ridge Cut / Shape : Freeform Main Stone Treatment : None Colour : Multi-Coloured. The item "Parcel of Australian Cut Black Opal from Lightning Ridge BLC00970" is in sale since Sunday, March 24, 2019. This item is in the category "Jewellery & Watches\Loose Diamonds & Gemstones\Loose Gemstones\Opal\Black Opals". The seller is "opalshopaustralia" and is located in Elanora Heights. This item can be shipped worldwide.