Global non-profit organisation Diamond Empowerment Fund (DEF) held "Diamonds in the Sky Las Vegas 2015" fundraiser gala on 28 May. Chow Tai Fook served as the premier presenting sponsor and donated "The Halcyon" 18K-gold brooch of the "Reflections of Siem" Collection as an auction item, to support DEF’s assistance on education and development of the diamond communities worldwide. Chow Tai Fook Managing Director Kent Wong, together with the senior management of Hearts On Fire and representatives of jewellery industry from all over the world, attended the gala to support this charity event.