Sterling silver genuine gemstone ring size 6.5 St Sterling silver genuine gemstone ring size 6.5 Stamped "sterling" and makers mark. Tests sterling silver. Stones tested with the presidium gem tester 2. Stones include turquoise, moonstone, amethyst, iolite, blue topaz, garnet, and smokey quartz. Moonstone had amazing blue flash! Open spots in back of the stones for light to shine through. Handmade. Beautiful! See my other listings for sterling silver, solid 10k, 10kt, 417 , 585, solid 14k…