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 Spirit of de Grisogono is the worldâs largest cut black diamond and the worldâs fifth largest diamonds overall. Starting at an uncut weight of 587 carats (117 g), it was taken from its origin in west central Africa and cut by Swiss jeweler De Grisogono.