double circles on turquoise necklace

double circles on turquoise in silver or vermeil necklace. Pendant hangs approx. 1 5/8" long on 16" of bead turquoise with a 2" chain extender. Item# 160-71sn/vn. Our vermeil is sterling silver dipped in 16k gold. Findings are sterling silver and 14k gold fill. Handmade in Oakland, CA