Barbara Bixby Blue Topaz Flower ring. SS/18K. A sterling silver flower has lovely round gemstone petals and a White Topaz in the middle. A zigzag border adds a bit of texture. Total gemstone weight is approximately 0.60 carat for Blue Topaz. White Topaz is used as an accent only. Prong-set, round gemstone petals with a round White Topaz in the middle of an 18K yellow gold setting. Beaded detail along shank with zigzag motif. Signature flower on bottom of ring. Measures approximately 1/2"L x 3/4"W. Size 7