Emerald is the birthstone of May. A variety of the species Beryl, like aquamarine and morganite. The emerald, whose name derives from the ancient greek “smaragdos” which means “green gemstone”, gets its unique green – bluish green color to the presence of chromium and vanadium, and depending on their concentration and depending on other factors, we can see the wide range of combinations of tone and saturation. Always symbol of wisdom and beauty, the emerald has been recognized since ancient times as a stone of great value: the Egyptians regarded the emerald as the symbol of the rebirth of nature in spring, while the Romans claimed would improve the view, in fact, according to Pliny was able to give relief to tired and weary eyes. Currently, one of the most famous emeralds is the Chalk Emerald, 37.8 carats of Colombian origin emerald. According to the myth, this beautiful emerald was about 38.4 ct and it was initially placed in a necklace belonging to the jewels of the royal family of the state of Baroda, India. It was later recut and mounted again in a platinum and gold ring surrounded by 60 pear shape diamonds, made and designed by Harry Winston Inc.