Personalized diamond customization service. Liu Fu Jewelry has launched a new customized diamond service. Every girl must have her own diamond ring. Liu Fu diamond service consultant must be equipped with exclusive personalized diamond customization service. Luk Fook Group was founded by a group of senior jewelry professionals on 199 1 and listed on the main board of The Stock Exchange of China Limited in May 1997. It is one of the major jewelry retailers in China, Hongkong and China.