ruby and gold renaissance ring

A high carat gold quatrefoil ring, the hoop merging with shoulders chased with volutes, formerly with white enamel, supporting a high quatrefoil bezel set with a table cut ruby, large black enamelled petals with foliate gold ornaments within, 16th century, European.

weight: 4.5 grams
ring size: 18 mm. 8 US.