Clip pendant with fac. Emerald heart and princess diamonds

Clip-pendant with heart-cut faceted emerald ca. 1.59 ct and 5 princess-cut faceted diamonds totalling ca. 0.85 ct, ca. RW-WHITE (G-H)/VVS-VS, both weights marked, 18K yellow and white gold, 15.7 g, 2.8x1.4 cm, late 20th century, good condition, solid workmanship.