Cocktail ring with diamonds totaling approx. 3 ct,

Cocktailring with brilliant-cut diamond ca. 0.8 ct, ca. RW (G)/SI1, asymmetrical surrounded by brilliant- and trapeze-cut diamonds totalling ca. 2.2 ct, ca. RW-WHITE (G-H)/VVS-VS, 18K white gold, 6.6 g, ring size 53, 2nd half of 20th century, nice condition, unclear mark at the side of ring shank, elaborately handcrafted.