Barbara Bixby London Blue Topaz and Diamond Cushion ring. SS/18K. Ten Diamonds total sparkle in the corners of the Topaz cushion and at the center of the two 18K yellow gold signature flowers on the sides of the ring. Total Diamond weight is 0.0698CTWT. The shank is finished with sterling carving and an 18K yellow gold flower at the bottom. Oxidized finish. Size 6.5. High End couture. Payment is due in 3 calendar days after the auction ends.Contiguous US, Alaska, Hawaii shipping only. Illinois shipping addresses pay sales tax. All sales for the listings are final. See details. Expect variations due to handcrafting.