Buy Australian Opal In The UK | Cornwall Gem 19/19

2.70 carat Mintabie crystal Opal - OPl032

2.20 carat 8mm round Olympic Belemnite pair of opals - OPL015

16.65 carat Mintabie heart carved crystal opal - OPL023

4.35 carat Olympic free form shell fossil opal - OPL020

11.90 carat Allens Rise semi black oval opal - OPL012

9.9 carat Allens Rise semi black free form opal - OPL011

5.45 carat Mintabie free form crystal opal - OPL013

6.50 carat Koroit Boulder round opal - OPL010