Chuck Clemency Sleeping Beauty turquoise ring in platinum over 925 silver size 8

This ring is from an estate purchase, pretty much brand new as it doesn’t show any signs of wear.  This is genuine sleeping beauty turquoise in a halo setting surrounded by zircon accent stones. Set in platinum plated over sterling silver. Size 8. Turquoise has been stabilized and treated . Total of 2.60 ctw for turquoise and zircon stones. Estimated retail value of this ring is $520 Reasonable offers considered