This stunning 24.50 carat, GIA certified, royal blue sapphire looks like it's out of this world. Its size is impressive, measuring 17.18 x 13.37 mm. The big blue originates from Sri Lanka. The gem's phenom is the cabochon fashioning, its color and its luster. Nestled in a halo of 6.50 carats of brilliant E-G VVS2 - SI2 diamonds that cascade down the top and bottom of the face, and featuring a stripe of 1.20 carats of baguette, E-F VVS2-VS2, diamonds that follows the band on the sides of your finger. The gems are set in rich 18k yellow gold that allows the color of the sapphire to stand out in the most dominant way.