The allure of a diamond is intriguing, yet in a world driven by certificates and paperwork, the question arises: Can you sell a diamond ring without a certificate? Here is what we know about the ...

Jenni is a writer, editor and business coach for freelancers. Climate change is causing more wildfire smoke, higher temperatures and more intense storms than ever before. And living through these ...

A 9.51-carat blue stone that once belonged to the heiress Bunny Mellon sold for $7 million less than at its last auction, a ...

The Christie’s Geneva Magnificent Jewels auction at the Four Seasons Hotel des Bergues achieved more than $75.8 million.