Abalone and Purple Amethyst Flower Ring Size 8

Vintage sterling silver ring that is inlay set with natural blue abalone. There is a beaded frame around the stone. There is a flower overlay that is set with a round faceted amethyst stone. The surface of the stone has some shallow scratches. 

It is a size 8 and the face measures 1" wide. Weight: 7.6 grams.