Kimberlite Diamond (brand) located at South Granville. Kimberlite Diamond's diamond industrial park in Pudong, Shanghai covers an area of 22,000 square meters, covering the embryo import sorting, cutting, diamond designing, gold production mosaic, and all aspects of the diamond supply chain with design processing capacity up to 150,000 carats. The Kimberlite Diamond Industrial Park which was completed on October 9, 2008, is the first diamond industrial park in Shanghai built by Kimberlite Diamond and is also the biggest in China. Wenjun Zhu, the chief designer of Kimberlite Diamond, has designed several high jewellery collections for Kimberlite Diamond every year, including Our Story, The
Gemstone irradiation produce mixtures of blue and yellow-to-brown colors, so heating is required as an additional procedure to remove the yellowish color. In some cases, the new colors induced by artificial irradiation may fade rapidly when exposed to light or gentle heat, so some laboratories submit them to a "fade test" to determine color stability. Sometimes colorless or pink beryls become deep blue upon irradiation, which are called Maxixe-type beryl. However, the color easily fades when exposed to heat or light, so it has no practical jewelry application. Gemstone irradiation The gemstone irradiation is a process in which a gemstone is artificially