Ring with cultured pearl and 15 diamonds

Ring with cultured pearl and 15 brilliant-cut diamonds totalling ca. 0,07 ct, good colour and clarity, cultured pearl, round, D: ca. 10,3 mm, fine luster, white-cream coloured, yellow gold 18K, 13,4 g, ring size: 55, W: ca. 4,2 - 22,1 mm, 21st century, minor signs of wear, with hallmark 'S'.