white agate and diamond ring

A sweet vintage pinky ring in 18 carat gold and white agate decorated with a small oval set with 12 brilliant cut diamonds (app. circa 0.4 carats) signed and numbered: Van Cleef & Arpels, 5V638-11, France, circa 1974.

weight: 7.5 gram
ring size: 15.50 mm. 4 1/2 US