From sparkling multi-million-dollar diamonds to custom designs, here are the most expensive diamond rings in the world that ...

The Most Expensive Tanzanite in the World The most expensive pieces of Tanzanite in the world were found by a small-scale diamond miner. The most expensive one weighed nearly 20.5 pounds ...

Also, check out the most expensive pieces of jewelry ... This internally flawless diamond remains one of the most coveted gems in the world. The Hope Diamond (Estimated $350 Million) One of the most ...

While many expensive things have useful, revenue-generating purposes, some of the world’s most expensive objects ... fancy intense pink diamond to an anonymous buyer for just over $23 million ...

A rare Russian pink diamond called the ‘ Spirit of the Rose ’ has set the new world record for the most expensive purple-pink diamond ever sold. The 14.83 carat diamond was auctioned for a ...