18k White Gold Rope Twist Ring 1.85mm Band Size 6 Hand made and hand crafted by master jeweler in USA We guarantee that these diamonds 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 diamonds: these are carat, cut, color, and clarity Check our measurement comparison chart on our storefront page