YEARS 1900 EMERALD AND DIAMOND RING Set with a rectangular claw emerald surrounded by brilliant-cut diamonds (old cut). Set in 18K yellow and white gold. Gross weight: 7.60 g (small chips and scratches) Finger size: 54. Dimensions of the emerald: 11.06 x 9.38 x 6.34 mm. Emerald weight: approx. 4.50 carats. Preliminary opinion of GEM Paris: Colombia, moderate oil. Case from Maison B. NOURY. Provenance: from a large French aristocratic family. A rectangular emerald, diamond, 18K yellow and white gold ring, circa 1900. Gross weight : 7,60 gr. (small chips and scratches). Size : 54. Emerald dimensions : 11,06 x 9,38 x 6,34 mm. Emerald weight : 4,50 carats approx. GEM Paris preliminary report, in his opinion : origin Columbia, moderate oil. Maison B. NOURY box.