A troy ounce bar of gold is worth a hefty sum of money, but the same amount of this mineral is worth over a hundred million times more.

Are you thinking about splashing out on some fine jewelry this year? The price tag may be off-putting – but could this purchase actually represent a great investment? Ultimately, ‘worth’ always boils ...

Jewelry can really pull an outfit together, but is it worth millions? Some say so. Since jewelry can appreciate in price, sometimes buying an expensive set of gems is worth the investment.

As the wife of the future king, Kate quickly inherited plenty of popularity, a royal title, and also a number of expensive jewelry pieces. Through the years, the Princess of Wales has accumulated ...

One of the best things about being a celebrity? Getting access to some of the most expensive jewelry on Earth, and being able to wear them for a night (typically for an awards ceremony).