15mm

Doublet Opal Multicolour 15x8.5x5.5 Cabochon Freeform 4.6 Carat

African Purple Amethyst 15x13x9.4 Facet Oval Checkerboard 9.39 Carat Extra Fine AA

Clear Green Chlorite Quartz 15x12.5x7.7 Cabochon Oval 11.64 Carat

Sunstone Cats Eye 15x12x10 Cabochon Oval 13.75 Carat

White Opal Red Multicolour 15.5x11x4 Cabochon Fossil Freeform 3.35 Carat

White Opal Multicolour 15x7x3.5 Cabochon Freeform 2.50 Carat

White Opal Multicolour 15.5x7.5x2.8 Cabochon Freeform 2.1 Carat

White Opal Multicolour 15x9x6 Cabochon Pear 5.05 Carat

White Opal Multicolour Harlequin 15x9x4 Cabochon Freeform 3 Carat

Semi Black Opal Multicolour 15x10x4.5 Cabochon Freeform 4.10 Carat