Give a 7.8 discount. According to the inquiry of official website, JD.COM, the selected rubies sold in advance from May 26th to May 3rd18th are as low as 7.8% off. Luk Fook Jewelry is a famous jewelry brand in Hong Kong, providing customers with high-quality jewelry such as yellow platinum jewelry, diamonds, jadeite and gemstone jewelry, wedding gold jewelry, couple rings and so on. , with branches in Chinese mainland, China, Hongkong, China, Macau and Singapore.