Ceylon sapphire and diamonds gold band ring

18k white gold, set with blue sapphire surrounded by brilliant and triangular cut diamonds.
N. 1 oval shape composite cut blu sapphire ca. 4.00 ct, country of origin: Sri Lanka (formerly Ceylon). Heat treated.
N. 25 round shape brilliant cut diamonds ca. 1.20 ct, F-G, VS-SI.
N. 2 triangular shape steps cut diamonds ca. 1.10 ct each, H-I, SI.
Front dimensions 25 x 20 mm.
IT ring size 17 - US ring size 8.
weight 24.2 g.
Item condition grading: **** good.