Colombian Emerald Ring. French. circa 1910 Colombian emerald (approx. 3.2 cts) and diamond ring, in platinum. width/length: 1.9 cm (0.8 in.). Price $145,000 A La Vieille Russie. 781 Fifth Ave. New York E-Mail: rebecca@alvr.com

A Colombian emerald and diamond ring centering a rectangular-cut emerald, with tapered baguette-cut diamond channel shoulders; emerald weighing approximately: 7.80 carats; estimated total diamond weight: 2.00 carats; mounted in platinum; size: 5 3/4....