Really. Gsk, the abbreviation of Gem King, is an international jewelry brand founded by 1903 in Belgium. Now it is headquartered in new york, USA. The current president of GSK Jewelry has participated in the design and production of diamond chessboard, one of the top ten luxury goods in the world and collected by the British royal family. It has a place in international jewelry brands and has been certified by the International Jewelry Association for listing and operation. So the brand is an international formal brand.