Blue Drop EarringsThe Blue Drop earrings feature a bezel set teardrop opal made with solid 18 k yellow gold. Sea foam blue Australian opals provide a fresh burst of color that is still understated enough to be worn daily. Solid 14 karat gold 7 x 5 pear shaped Australian opals, 1. 56 cts per pair opal origin: Coober Pedy, Australia. Cut in house at the FTB studio in Sydney, Australia. Butterfly back closure Fade to Black ensures that all stones are sourced from ethical