A late 18th century diamond ring and an early 19th century gold and enamel locket ring

A late 18th century diamond ring and an early 19th century gold and enamel locket ring
The first designed as rose-cut diamond-set twin hearts with stylised crown surmount to a plain hoop, circa 1790, finger size N; the second with box-shaped locket design bezel with sprung cover released by one of the twin shoulder petal design panels, revealing a sprung pop up figure of Eros, the cover with painted enamel pansy, to a plain hoop, circa 1830, finger size L (2)