Gem and Jewellery ShowsHighlights of the Gem & Jewellery Exhibition and Sale held at Ratnapura on 1st & 2nd November 2011 to commemorate the 40th Anniversary of NGJA Posted on July 2, 2013October 23, 2019 by Dr Shihaan Larif Highlights of the Gem & Jewellery Exhibition and Sale held at Ratnapura on 1st & 2nd November 2011 to commemorate the 40th Anniversary of NGJA Highlights of the Gem & Jewellery Exhibition and Sale held at Ratnapura on 1st & 2nd November 2011 to commemorate the 40th Anniversary of NGJA Highlights of the Gem & Jewellery Exhibition and Sale held at Ratnapura on 1st & 2nd November 2011 to commemorate the 40th Anniversary of NGJA See also National Gem & Jewelry Authority of Sri Lanka Participates in the National Celebrations of World Environment Day – 2011 Dr Shihaan Larif Highlights of the Pirith ceremony and Alms giving held in Colombo NGJA office to mark the 40th Anniversary. NGJA National Gem and Jewellery Authority 2010 Awards