Retro Sapphire 10.38ct(no heat) & Diamond Ring

Centering a Cushion Modified Brilliant cut sapphire weighing 10.38ct. (no evidence of heat treatment), framed by fourteen Round Brilliant cut diamonds weighing approx. 0.80ctw., and flanked by eighteen Single cut diamonds weighing 0.33ctw., and sixteen Single cut diamonds weighing approx. 0.30ctw., fashioned in 18k white gold. GIA 1122192717 Size 6 3/4.