A tanzanite and diamond necklace is so unlike any other necklace, it will mesmerize anyone who is fortunate enough to share it with you. The exclusive color of purple-blue hue that Tanzanite emits combines entirely to well with the blue-white color of diamond. These two gemstones really feed off of one another and the display is subtle and spectacular. Take a gander at our collection and see if you can resist not taking one of these darling tanzanite and diamond necklaces home. These are so popular, it is hard for us to keep any of these in stock.