A massive 2,492-carat rough diamond, believed to be the second biggest ... mining companies sell a 24% stake in mines to local investors unless the government exercises its option to acquire ...

Clearaudio's Diamond Jubilee MC is the most advanced and premium cartridge in the firm's 45-year history. The stylus uses a ...

Media reports indicate that it is second only to the 3,106 carat Cullinan diamond found in South Africa ... law requiring mining companies to sell a 24 percent stake in their operations to local ...

A London based gold-plating company has made a 24-karat gold bike that was sold for £250,000 ($327,970). Goldgenie gold-plated an aluminium bike frame using a process called electroplating.