The sapphire measures approx. 4.3 mm in diameter, the diamonds are round brilliant-cut and rose-cut, with a total of approx. 0.62 ct, the setting measures 13x13x10.4 mm, ring size 17.5/54.95, weight approx. 5.2 grams.
Sapphire with a minor edge nibble visible under 10x loupe.
According to information purchased from The Diamond House in London