Cubic Zirconia has a long history. It is a man-made composition created to simulate diamonds. Due to a hardness of 8.5 and modern technical advances Cubic Zirconia has become a high quality, inexpensive and beautiful gemstone. The cubic zirconia marquise shape is one of the most popular products in the jewelry industry. Our cubic zirconia emerald marquise are unique in color and look beautiful in any setting. We have many shapes: HEART, ROUND, OVAL, SQUARE, PEAR, OCTAGON, TRILLION