Our memberships in world recognised trade and jewellery related associations makes Opal House a name clients can trust in the global jewellery market. Existing memberships include:

  • Hong Kong Jewelry Manufacturers' Association (honorary life member)
  • Hong Kong Jewellery & Jade Manufacturers Association
  • Jewelers Board of Trade based in the USA we are listed members
  • Hong Kong Chamber of Commerce
  • Chinese Manufacturer’s Association of Hong Kong
  • Hong Kong Art Craft Merchants Association Ltd
  • International Colored Gemstone Association.