Diamonds are rightfully hailed as the king of the gemstones. Being the hardest material on earth, they represent the limit of the Mohs scale at 10. Diamonds are carbon, but with a different molecular arrangement, called allotropy. This slight difference in the molecule arrangement makes all the difference in the properties of diamond. There is [...]

A white diamond has become the 2nd most expensive diamond in history, when news agencies reported that an 84.37 carat diamond sold for more than 16 million dollars in an auction conducted by auction house Sothebys, in Geneva, Switzerland.
Although diamonds have long been renowned for their expensive price tag, this is a recent example [...]