bi-color gold ring with diamonds

An 18 carat bi-color gold wide band ring with a yellow and white gold juxtaposed angle pavé set with 48 brilliant-cut diamonds (app. 2.5 carat, G, VVS2) superbly designed and meticulously fabricated by the Swiss master jeweler Paul Binder, circa 1970s, Zurich, Switzerland.

weight: 12.8 grams
ring size: 17.75 mm. / 7 1/2 US