18.6ct Koroit Opal pack of 3

18.6ct Koroit Opal pack of 3
Weighed together. Would make a lovely ring / pendant with earing stud stones.
Gorgeous red, blue, orange & green flash.
Dimensions: 24.1 x 10.4 x 6.2mm (smaller stones 9.6mm) dimensions approximate due to shape of opals.
$300 AUD. Free Shipping within Australia on purchases over $100. Insurance can be arranged at buyer’s expense. Please check if import tax applies in your country.