Three Stone 4 Carat Center Asscher Cut Lab Grown Diamond Simulant Cubic Zirconia Solitaire Engagement Ring. Our lab created laboratory grown simulated diamond three stone Asscher inspired ring features a 4 carat 9mm cubic zirconia Asscher cut center stone with a 1.5 carat 7mm Asscher cut cubic zirconia basket set on each side of the center stone. This ring has 74 sparkling facets and includes a total carat weight of 7 carats. This engagement ring is available with center stone carats sizes that include 1 carat, 1.5 carat, 2.5 carat, 4 carat, 5.5 carat, and a 7 carat center option with Asscher cut sides stones that are sized in proportion to the center stone. Our Russian formula cubic zirconia is hand cut and hand polished to exact diamond specifications and offers you the best possible finished product at a fraction of the cost of a genuine top quality diamond ring. Available in your choice of 14k yellow gold, 14k white gold, 14k two-tone and luxurious platinum. Please see the pull down menu for options. Please call us directly at 1-866-942-6663 or visit us via live chat and speak with a knowledgeable representative if you require further assistance.