Symbolizing the Key: the key to her heart, to one of Cairo's millenium-old gates by which the House of Misri once stood, to an endless world of adventure... The Clé du Caire necklace features the rarity and distinct color of a sumptuous marquise Colombian emerald, delicately and expertly set by Florentine craftsmanship in 18kt gold with only two prongs to maximize the emerald's façade and luster. With an added precision-cut trilliant diamond to embody the typical geometric patterns of the Qalawoun collection, theClé du Caire necklace is a display of timeless yet discreet elegance that is sure to grace your neckline and be treasured for many years to come. Misri's Colombian Emeralds More than twenty times rarer than diamonds and formed over thousands of years in the Earth's crust, every Misri Colombian emerald is sourced responsibly and ethically before continuing its journey to the surface to be precision cut by our mastercraftsmen.