Hero Mismatched Black Silver Earrings With DiamondsThese unique black earrings are from Christine Sadler's Hero collection. They are set with round brilliant cut diamonds. Every piece in the Hero collection is unique because the way it is created makes it impossible for two pieces to be identical. The sterling silver is heated until the surface of the metal becomes molton and then it cools in unique patterns. The metal turns black because silver oxidises when it is heated. The earrings have two cuts,