Diamonds: 0.40 total carat weight color/clarity: HII1/SI2; Blue sapphire: 0.78 total carat weight; 14K white gold; 0.78"L; Post back; Almost all gemstones and blue and black diamonds have been treated to enhance their beauty and require special care; Photo may have been enlarged and/or enhanced; All gemstone carat weights (tcw) are approximate; variance may be 0.05 carat.; White gold is surface-coated with rhodium to enhance metal color and shine; it may wear off over time requiring replating.; Bloomingdale's exclusive; Imported