Yasuhiro Konno

SAKHA DIAMOND Corp. engages in the sale and processing of uncut diamonds and gemstones. Its operations are carried out through the following segments: Overseas Business, Diamond Business, Diamond Polishing Business, Real Estate Leasing and Trading Business. The Overseas Business segment handles the wholesale business in China. The Diamond Business segment manages the sale of bridal and fashion jewelry in stores and through internet and TV shopping. The Diamond Polishing Business segment engages in rough diamond sales and ore processing businesses in Russia. The Real Estate Leasing segment includes leasing to building tenants in Russia and in the head office. The Trading Business segment handles the sale various goods. The company was founded in May 1956 and is headquartered in Tokyo, Japan.

Part of SAKHA DIAMOND Corp., Virgindiamond Co., Ltd. is a jewelry specialty store based in Tokyo, Japan. The Japanese company offers a range of natural diamond engagement rings, including the "happy engagement ring" which is designed to give eternal love in shape. Customers can choose from a variety of scenes and categories to find the perfect ring for their proposal or anniversary gift. The company also offers surprise jewelry boxes and a range of other jewelry products. Virgindiamond Co. is committed to CSR and has acquired an online mark and certification from the foundation to ensure customers can use internet mail-order sales with peace of mind.