- Prospects for the development of the collection of investment diamonds jewelry
- Tourmaline the price confusion fraud , Chinese jewelry
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Beginning in early 2011 , the main origin by Jade Myanmar printing The data also shows that since 2006 , average annual Emerald price to maintain a growth of 30% -50% ; 2010 , 50% of the increase was still just a general class of emerald prices rose . The prices of high-end jade more staggering , up to several times . According to Zhang Yuan said , due to the cost of mining is increasing , emerald worth are rising every year , jade resources have almost been exhausted , the emerald jade skyrocketing .
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