Sudan Emerald Diamond White Gold Engagement Ring 176

Sudan Emerald Diamond White Gold Engagement Ring.

 By Aamir Mannan Shaikh.

Cut emeralds

Emeralds, like all colored gemstones, are graded using four basic parameters–the four Cs of Connoisseurship: Color, Cut, Clarity and Carat weight. Before the 20th century, jewelers used the term water, as in "a gem of the finest water",