The most expensive diamonds in the world are all examples of exceptional ... While it has never officially been valued, it was insured for $100 million before it was put on display in the 1990s.

It is now on display at the Smithsonian National ... Gems made this way are significantly less expensive than naturally black diamonds. Celebrities wearing black diamond jewelry are fueling ...

The Oppenheimer Blue sold on Wednesday for more than $57.5 million including fees at a Christie's auction in Geneva, making it the most expensive diamond ever sold.

The collection includes four prominent brooches that have never been on public display. To commemorate ... It's always impressive to see red diamonds featured in jewelry as they're the rarest and most ...

Only 4% of brown diamonds ... display of colors, compared to common opal, which is usually one color. High-quality black opal can cost over $10,000 per carat, making it one of the world's most ...

So what changed? Why are Chocolate Diamonds so expensive? Diamonds get their color by how they're formed, whether it was a different element that got pulled into the carbon structure. Like boron ...

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 ...

3. Try a twinset. With an affordable solitaire, pick a wedding band with small diamond studs. On your finger, their combination together will look expensive and beautiful. Image Credits: Tiffany & Co.