Collection of gemstones including:. One free form Australian opal doublet, 3.34ct. 10.4 mm x 10 mm x 4 mm. One round cabochon cat's Eye,1.68ct. 7.1 mm x 6.8 mm x 4.2 mm. One oval cabochon cut black star sapphire, 6.51ct. 11 mm x 9 mm x 6 mm. One round cabochon cut oval star ruby, 4.02ct. 7.7 mm x7.2 mm x 6 mm. One oval cabochon cut orange Opal,1.86ct. 10.5 mm x 8.5 mm x 5.3 mm