Antique platinum illusion head ring for 7.5 mm round stone

This vintage styled platinum estate engagement ring mounting has 3 Old European Cut small stones per each side of the shank. The 6 small OEC SI quality diamonds have an estimated total weight of .08 carats. The head for the center stone is a low base 4 prong illusion head, designed to fit a 7.5 mm round center stone. The ring is size 8.