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 Biggest Diamond in the World. South Africa is home to the worldâs largest non-carbonado diamond ever found. It is the biggest gem quality diamond ever found. The Cullinan Diamond named after the mine owner, Sir Thomas Cullinan, was discovered in Pretoria, South Africa. It weighed a staggering 3106 Carats (over 600 grams of beauty). The worldâs largest diamond was discovered on a hot summerâs day at the end of January 1905.