Jewelry Manufacturers, Jewelers Wholesale
Napa Valley, San Francisco North Bay, Ca. USA

 with a market share of 30.8 %, Japan, India and China and the Middle East each with 8 - 9 % and finally Italy with 5 %. They predict a dramatic change in relative market shares by 2015, where the market share of the United States will have dropped to around 25 %, and China and India will increase theirs to over 13 %. The Middle East will remain more or less constant at 9 %, whereas Europe's and Japan's market share will be halved and become less than 4 % for Japan, and less than 3 % for the biggest individual European countries: Italy and the UK.