Vintage Cocktail Ring in Sterling Silver set with Large Amethyst surrounded by Tanzanites

Vintage Cocktail Ring in Solid Silver set with a large central Amethyst of 3 ½ ct. surrounded with 14 matched Tanzanite gems. The Silver is of European origin as it is Hallmarked with 925, being the equivalent of Sterling Silver. Both the Amethyst and Tanzanite are wonderful complementary colours,

Dimensions approx.: Ring size O or  7 ¼ ; Band width 1mm at rear to 5mm at shoulders; Band thickness 1mm at rear to 3mm at divided shoulders. Europe