Oval cabochon cut white Australian opal. Small patches of play of color throughout. 15.2 x 12.5 x 2.8mm. One hundred seven round full cut pink sapphires total weight 3.75 carats. 18kt yellow gold. Top is 26 x 20.8mm. Shank is 3.55mm wide to 5.75mm wide. Sale to benefit the scholarship program at the University of Findlay, Findlay, Ohio.