Ring with 42 baguette-cut diamonds and 48 brilliant-cut diamonds

Ring with 42 baguette-cut diamonds and 48 brilliant-cut diamonds totalling approx. 4 ct, WHITE (H)/VS, partly chipped/broken, 8-12 K white gold, 10.9 g, ring size: 52, W: approx. 10.5mm, 20th/21st century, signs of wear, probably composed of 3 different rings.