WEMPE ring with 28 diamonds

WEMPE ring with 28 brilliant-cut diamonds totalling ca. 0.56 ct, ca. RW (F-G)/VS, 18K yellow gold, 27.5 g, ring size: 54, W: ca. 10.6 - 12.3 mm, late 20th century, minor signs of wear, with hallmark 'WEMPE' and numbered '2417'.