Australian Boulder Opal 21.28ct Earrings surrounded by multi-coloured Sapphires and Diamonds

18k Yellow and White Gold Opal and Paraiba Tourmaline Drop Earrings featuring 21.28ct Solid Natural QLD Boulder Opals, set with 2.68ct H-I colour, VS clarity, round brilliant cut Diamond, 14.22ct round cut Paraiba Tourmaline, 1.37ct round cut Pink Spinel, 3.06ct round cut Tanzanite, 0.98ct oval and round cut Tsavorite and 0.59ct oval cut Aquamarine.