Cornflower blue and unheated is the combo for every collector. This simple and stunning ring features a 6.51 carat square cushion sapphire. It measures 10.30 x 9.50 x 6.40 mm. What does unheated mean? It means that the color of this gem is the color that it was in the ground. It is world renowned GII certified. 0.90 carats of brilliant white diamonds highlight the gem. The minimal 18k white gold handmade setting is ideal.