Harry Winston sold a pair of circular clip earrings with 6.91 ct. and 7.32 ct. round emeralds for a cool $218,000 in November 2012. Brooke Astor’s 22.74 ct. emerald engagement ring went for $1.2 ...
But long before their reign, a far less dazzling gem captured the hearts of jewelry lovers — and now it’s making a comeback. Jet, a flat-black, opaque gemstone derived from wood that has ...
A hand-held flashlight reveals the green color of a rough emerald from the Coscuez Emerald mine in Colombia. Photo by Eric Welch/GIA. Emerald is the green to bluish green variety of beryl, a mineral ...