forget-me-not ring

An exquisite gold oval ring with a cartouche with behind glass a guilloche and transparent light blue enamel decorated with a forget-me-not flower in old cut diamonds set in silver, around this a border of gold, light blue, and dark blue enamel followed by a second border of white enamel, 18th century.

weight: 6.3 grams
ring size: 17 mm. 6 ¾ US.