Rivka Friedman 18k gold, rock crystal over opal rectangle cocktail ring. Sz 7.5

This stunning cocktail ring is used (worn a couple times but in very good condition. It features a faceted rectangle crystal rock stone over opal doublet. It features an satin finished 18k gold open shank band. Stone size 32x23mm. The back of the band is a comfortable 5-10mm in thickness. Stamped with RF.