The Hamilton 2.5 Carat Elongated Cushion Cut Cubic Zirconia Micro Pave Set Round Eternity Engagement Ring is majestic and highly fashionable with a 2.5 carat 9x7mm cushion emerald cut cubic zirconia center, prong set and outlined with pave set cubic zirconia rounds. Additional pave set cubic zirconia rounds decorate the basket and the entire circumference of the band in an eternity style for a total of approximately 4 carats in total carat weight of the finest Russian formula diamond quality cubic zirconia that is hand cut and hand polished to exact diamond specifications. The elongated cushion cut is also known as an antique cushion cut, cushion cut rectangle, cushion emerald, or cushion oval that features an exclusive cut in a premier shape that is a combination of the elegant cushion cut simulated diamond cubic zirconia with an oval, elongated or emerald cut shape. The shank measures approximately 2.5mm in width and is available in finger sizes 5 through 8. Sizes below a 5 or above an eight are also available, please call us directly. Choose from 14k white gold, 14k yellow gold, 18k white gold, 18k yellow gold and luxurious platinum, please see the pull down menu for options. For further assistance, please contact us directly at 1-866-942-6663 or visit us via live chat and speak with a knowledgeable representative.