An exquisite Earth Mined 5.65 CT Genuine Dark Slate Blue Emerald Cut Diamond Pendant Necklace, with overtone shades of Gray. No Chemicals or Color added - Heat Pressure High Temperature treated. Diamonds are subjected to extremely high temp. & pressure in special machines to enhance their color. This process moves atoms inside the Diamond. Due to their composition they may test as Moissanite. See slides as they are part of item description. Please ask all questions before purchasing. Genuine Blue Diamond with a Sophisticated Look for Everyday!