Below are some useful links for you to use:

Currency ConverterSouth African Diamond and Precious Metals Regulator | The Responsible Jewellery CouncilThe London Bullion Market Association | The World Gold CouncilInternational Platinum Group Metals Association | International Precious Metals InstitutePlatinum Group Metals | Platinum Guild InternationalPlatinum Metals Review | Radiology Business Management AssociationKitco | FNB Foreign Exchange RatesJohnson Matthey Price charts | Johnson Matthey Base Prices