Princess Diana's emerald and diamond choker. The stunning piece hasn't been seen since Diana herself wore it. It was a favorite of hers; not only did she wear it as a necklace many times between ...

Probably so. Because no outfit would be complete for the Grammy winner without a little bling, Rihanna slipped on two sparkling diamond choker necklaces along with a row of diamond stud earrings.

In the present day, Anne paired the frock with with an opulent pearl choker with vertical diamond encrusted bars, and a hexagonal blue sapphire in its center at the brooch. The necklace dates back ...