Gemstone is a Gemstones and development company based on the Kuala Lumpur, Malaysia. Since 2003, HTD and its wholly owned subsidiaries (collectively the ''HTD Group'' or the ''Group'') have assembled what is the largest portfolio of mineral rights in Aberdeen & Chicago in USA, covering some 36, 364 square kilometers, which rights include not only diamonds but in many cases also precious stones, metal , base metals, iron ore, rutile, bauxite and rare earths.Historically, high quality and valuable diamond and other gemstones deposits have been discovered in Aberdeen in UK, with several of the world's largest and most valuable stones originating in the country.