Description Tanzanite Cubic Zirconia Rounds These are 3A machine cut. Diamond Cut. Tanzanite color cubic zirconia is a stunning and affordable gemstone that imitates the captivating blue-violet hue of natural tanzanite. This simulated gem exhibits a rich and alluring color, often displaying shades of deep blue with violet undertones, similar to its genuine counterpart. With its remarkable brilliance and clarity, tanzanite color cubic zirconia adds a touch of luxury and elegance to jewelry designs. This simulated gemstone is a popular choice for those who appreciate the beauty of tanzanite but prefer a more budget-friendly alternative.