gold ring with diamonds

An 18 carat bi-color gold wide band ring with rounded lightly squared corners constructed from two rings one yellow gold and one white gold with a juxtaposed angle pavé set with brilliant-cut diamonds (app. 2.25 crt F-G, Vs) superbly designed and meticulously fabricated by the Swiss master jeweler Paul Binder, circa 1970s, Zurich, Switzerland.

weight: 21.95 g
ringsize: 15.5+ – 15 3/4 mm / US 4 3/4 – 5 / 49 – 50 mm.
when the inner ring is removed ring size: 16.5 mm / US 6 / 50 – 52 mm
width: 1.2 cm