An unusual 18th century style multi gem-set giardinetto ring the central calf's head citrine collet-set above the openwork floral and foliate scrolling surround set with emeralds, diamonds and an oval sapphire to the plain trifurcated shank ring size K Condition: overall condition commensurate with age with some wear to the setting edges and some chips to the stones. Setting tests as white and yellow gold