Blue Nile is offering up to 40% off select jewelry and GIA-graded diamonds for the holidays. Shop rings, earrings, necklaces and bracelets and save.

Tiffany’s pulls out the best stones for Blue Book, the kinds of investment pieces worth millions, that can’t be duplicated. Those include collector’s stones like a pair of vivid blue emerald ...

The necklace, which is anchored by a dazzling 21.49-carat emerald surrounded by diamonds (and more emeralds), is just one of the 187 pieces in Bulgari’s novel high-jewelry collection, Cinemagia.

Emerald Jewelry Is Having a Moment. by Christina Holevas. ... the color can vary from light, aquamarine blue, to a vivid, bright green. The greens are the most prized and valuable.