- The Royal Asscher Diamond Company - www.royalasscher.com
- National Gem & Jewellery Authority - www.srilankagemautho.com
- ICA - www.gemstone.org
- Sri Lanka Gem & Jewellery Association - www.slgja.org
- Board of Investment Sri Lanka - www.boi.lk
- Sri Lanka Export Development Board - www.srilankabusiness.com
