This is an amazing Red on Black solid Lightning Ridge Opal. Throwing other colours like Royal blue, green and gold. Set in a great designer (by Justine Buckley) piece in 18k yellow gold with Diamonds on the claws. Very pleasing Free Form shape...very very pretty opal. 3.30ct,N3 Body tone, the opal is 15x14mm and the setting is 35x25mm.