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.
George Stepp, a logger from Carthage, Arkansas, discovered this diamond at Crater of Diamonds State Park in 1977. Kahn later purchased the diamond from Stepp. The Amarillo Starlight Diamond. This 16.37-carat white gem is the biggest diamond found by a park visitor following the Crater's establishment as a state park in 1972. W. W. Johnson of Amarillo, Texas, found this impressive diamond in 1975 while vacationing here at the park with his family. The diamond was cut into a 7.54-carat marquise-shape. The Esperanza Diamond. This 8.52-carat white diamond was found in June of 2015 by Bobbie Oskarson of Colorado. Clear white and icicle shaped, this gem is the fifth largest diamond found by a park visitor since the park was established in 1972.