14k White Gold 3 Natural Sapphire Bezel Station 16" Necklace Pendant Ct.tw 0.52 Hand made and hand crafted by master jeweler in USA We guarantee that these sapphire are conflict free based on written guarantees by our suppliers The gold in our products is produced in more socially and environmentally responsible ways Four characteristics, known informally as the four Cs, are now commonly used as the basic descriptors of sapphire: these are carat, cut, color, and clarity