An “incredibly rare” purple-pink Russian diamond was auctioned this week for more than $26 million, a record for a gem of its kind. Sotheby’s said it sold the massive 14.8-carat s… ...

In fact, it could even eclipse the Pink Star, an internally flawless 59.6-carat pink diamond that sold for a record $83 million in 2013. (It remains the world’s most expensive pink diamond.) ...

Although The Lulo Rose would have to be cut and polished to realize its true value, in a process that can see a stone lose 50 percent of its weight, similar pink diamonds have sold for record ...

If you think your $1,000 iPhone is among the most expensive phones on the market, think again — because in the world of ...

From billion-dollar yachts to diamond watches and rare art, explore 15 of the most expensive things ever purchased by the world’s wealthiest people ...

While the Eden Rose ring was far and away the star of the show, other jewels shined as well: In fact, six separate pieces sold for more than $1 million each, including an 84-carat yellow diamond ...