Singapore International Jewellery Show 2011. You are invited by the Lee Hwa Jewellery and you can bring along your friends to an afternoon of sparkling jewellery fashion show and tea reception at Singapore International Jewellery Show 2011 this weekend. Lee Hwa Jewellery, Singapore’s leading contemporary jeweller, is proud to participate in the Singapore International Jewellery Show (SIJS) this year for the sixth year running.