Diamond blue sapphire pearl gold ring

depicting a mask set with diamonds, three sapphires, and a saltwater cultured pearl.
Diamonds: n. 23 diamonds, round shape, brilliant cut, n. 04 rectangular shape, step cut, n. 02 square shape, princess cut, approx 3.00 ct tot, F-G, IF-VVS.
Blue sapphires: n. 02 oval shape, composite cut, n. 01 round shape, composite cut, 3.50 ct.
IT size 15 - US size 7. Front size 3.2 x 3 cm. Weight 20 g.
Item condition grading: ***** excellent.