Christie’s Magnificent Jewels auction in New York on December 10 is led by a 5.72-carat fancy intense blue diamond with an estimate of $6 million to $8 million. Also among the top lots are several ...

If you think the auction houses are just for expensive, historic jewels, you will be surprised to discover they offer a range of fabulous rings at all prices, and they will even track down your dream ...

The answer will likely surprise you.