Sapphire Cushion Cut Cushion Sapphire Medium Blue 7.25 cts 12 X 11 MM Price: 22,499.99 7.25 carat weight cushion medium blue sapphire. This sapphire is eye clean and exhibits high brilliance. 12 x 11 mm. Cushion Sapphire Vivid Blue 4.93 cts 11 X 8 MM Price: 15,179.99 4.93 carat weight cushion