Photo by Chip Clark, courtesy Smithsonian Institution, National Museum of Natural History. Emerald’s lush green has soothed souls and excited imaginations since antiquity. Its name comes from the ...
One example is the competing philosophies of the Bow Tie and the Diamond. This is an area where the theory and best practice are in complete alignment. However, some senior managers high up in the ...
A rare square 37-carat emerald owned by the Aga Khan fetched nearly $9 million at auction in Geneva on Tuesday, making it the world's most expensive green stone. Sold by Christie's, the Cartier ...