SCHILLING brooch with 10 fine rubies total ca. 2,8 ct and diamonds,

SCHILLING brooch with 10 fine rubies totalling ca. 2.8 ct, 13 brilliant-cut diamonds totalling ca. 1 ct, ca. WHITE (H)/VVS and 14 single-cut diamonds totalling ca. 0.25 ct, 18K white gold, 7.9 g, 4.5x2.2 cm, 1970s, very good condition, marked SCHILLING.