The extremely rare, 10-carat Mediterranean Blue diamond could fetch a whopping $20 million at Sotheby's High Jewelry auction ...

“I was an art major, and once I started taking jewelry courses ... and she has been in high-demand for repairing jewelry. You could say she’s a rare gem, no pun intended, that will be hard to replace.

While most people are familiar with oil painting, watercolors, or sculpture, there are rare, innovative art techniques that remain hidden gems in the creative landscape. These unique approaches ...