Bidspirit auction | A pair of loose opals

A pair of loose opals of ca. 5.88 ct. and 5.18 ct. - A pair of loose opals of ca. 5.88 ct. and 5.18 ct. An opal 5.88 ct. oval high cabochon cut, size: 15.58 x 13.16 x 5.19 mm. and an opal flat cabochon cut. size: 5.18 ct. 15.83 x 12.44 mm x 3.80 mm.