Cassandra Black Diamond Clover Crystal Dangle Earrings. These silver, simple yet stunning dangle earrings are so elegant. Hanging a little longer than 3" they are sure to be seen in a not super flashy way. Substantial black diamond crystal gemstones make up the substantial dangling clover that hangs from a thin silver metal chain. These lovelies would really stand out with your hair pulled back in a trendy high pony or bun.