1 Monetary policy involves influencing the supply and demand for money through interest rates and other monetary tools.  Monetary policy is usually conducted by the Central Bank, e.g. UK â Bank of England, US â Federal Reserve.
The biggest yellow diamond, a 100-carat one, was sold in Geneva for $16.3 million. A private buyer acquired the Graff Vivid Yellow at a Geneva jewellery sale in Sotheby's auction house. Reuters reported that it was a world record for the jewellery auction of a yellow diamond, according to David Bennett, the chairman of Sotheby's Switzerland.
The Uncle Sam Diamond. This 40.23-carat, white diamond is the biggest diamond found in the United States. Discovered here in 1924, it was named the Uncle Sam diamond. Legend has it that the diamond was named after its finder, W.O. Basham, who went by the nickname, Uncle Sam. Over the years it was cut twice.