$47.00 Cushion 3 mm  (.12 carats)  $75.00 Cushion 3.5 mm  (.19 carats)  $135.00 Cushion 4 mm  (.30 carats)  $205.00 Cushion 4.5 mm  (.42 carats)  $235.00 Cushion 5 mm  (.57 carats)  $349.00 Cushion 5.5 mm  (.75 carats)  $499.00 Cushion 6 mm  (.96 carats)  $549.00 Cushion 6.5 mm  (1.21 carats)  $799.00 Cushion 7 mm  (1.49 carats)  $1050.00 Cushion 7.5 mm  (1.80 carats)  $1499.00 Cushion 8 mm  (2.15 carats)  $1799.00 Cushion 8.5 mm  (2.54 carats)