Lagos vintage caviar ring with emerald cut peridot stone. Size 7

This is a luxury cocktail ring by Lagos, made of sterling silver and gold with a light green peridot as the main stone. The ring is in size 7 and features an emerald Peridot. The ring is part of the Caviar collection and has a unique design. Then ring is hallmarked by the premium maker as being .925 sterling silver and .750 gold (18 karat gold). This is from my mother’s jewelry collection and she has been the only owner of the piece.