18-carat gold ring set with blue enamel coral and pavé diamond

Description

very pretty model from the end of the 19th century, set with a coral surrounded by blue enamel with a paving of old-cut diamonds
total weight: 8.84 g
finger size: 54.5 or 6-3/4
measurement of the decorated part: 2.7 cm by 1.3 cm
slight accident in the enamelled part near the coral