RJ Graziano Silver Ring with Brown Emerald Cut Crystal

VINTAGE RJ Graziano Avon ring. This ring is marked “925 RJ 7” also “Avon” I’m not sure if this is smokey quartz or glass There are a couple of identical rings on the internet listed as smokey quartz. The stone is emerald cut. Well made ring Light wear Last photo shows 17.3-.4 mm OR size 7