Brooch with fine moonstone entouraged by sapphires and diamonds,

Brooch with fine oval moonstone (prob. Ceylon), ca. 22 ct surrounded by 8 brilliant-cut diamonds, totalling ca. 0.5 ct, ca. WHITE-TIW (H-K)/VS-SI and 16 sapphires, totalling ca. 1 ct, nice quality, 18K white gold, 10.9 g, 3x2.2 cm, 2nd half of 20th century, good condition, nice jewellers quality, certificate included.