Despite being a working royal since 2011, Kate Middleton has only worn four different tiaras in those 13 years — the Cartier ...

A rare square 37-carat emerald owned by the Aga Khan fetched nearly nine million dollars at auction in Geneva on Tuesday, ...

Below, we’ve broken down some of the best places to purchase star-worthy engagement rings online — from Blue Nile ‘s bestsellers to Catbird ‘s delicate designs.

If you have a couple of bucks lying around and want to splash out on some gems for the festive season, here are a couple of ...