The website of this London based diamond investment company features extensive information on diamond investment including guides to different types of diamonds such as coloured, rare and fancy diamonds. The Stone House Global Markets website gives visitors advice on investing in diamonds and how to spot the quality of a diamond via the grading system. Visitors to Stonehouseglobalmarkets.com can find further information in the FAQs section and the website also includes up to the minute business and commodities news and interesting articles on diamonds.