Australian Opal Cabochon 10x7 mm

Australian Opal Cabochon 10x7.9 mm

Australian Opal Cabochon 12.1x6.3 mm Approximately 1.28 Carat (GTG-AO-52)

Australian Opal Cabochon 12.2x5.5 mm

Australian Opal Cabochon 12x6.3 mm

Australian Opal Cabochon 7.2x5.3 mm

Australian Opal Cabochon 7.9x5.8 mm

Australian Opal Cabochon 8.1x5 mm

Australian Opal Cabochon 8.1x6 mm

Australian Opal Cabochon 8.1x6.1 mm

Australian Opal Cabochon 8.1x6.1 mm

Australian Opal Cabochon 8.2x5.2 mm

Australian Opal Cabochon 8.2x5.2 mm

Australian Opal Cabochon 8.2x6.1 mm

Australian Opal Cabochon 8.2x6.2 mm

Australian Opal Cabochon 8.2x6.4 mm

Australian Opal Cabochon 8.8x5.8 mm

Australian Opal Cabochon 8.8x5.8 mm

Australian Opal Cabochon 8.9x7 mm

Australian Opal Cabochon 8x5.9 mm

Australian Opal Cabochon 8x6.2 mm

Australian Opal Cabochon 8x6.3 mm

Australian Opal Cabochon 9.1x6.1 mm