Yesterday, industrial and commercial bureau announced Shanghai to this city 13 areas of sell on commission of 78 distribute industry, the quality of jewelry of 248 gold, gem, diamond monitors a result: The precious metal percent of pass such as gold, platinic gold is 96.3% , diamond percent of pass is 84.5% , lowest of percent of pass is only 63% .
The reporter understands, of unqualified diamond spend actually completely with nominal differ bigger, differ at most even 3 level, return some weak point jin be short of 2, be less than 0.5 carat however mark sells customer for 0.5 carat; Unqualified gem headgear basically is the name tags a disorder, if tag garnet,be crystal; Still have sectional businessman mix the false with the genuine, will plastic products is tagged for amber adorn article, tag glasswork for crystal, tag goods of vitreous cat eye for opal, the most typical is will artificial complex " synthesize cubic zirconia " adorn taste simple ground to tag for natural gem " zircon " adorn article, the price unexpectedly empty is added.
The result that monitor still shows, gem headgear specializes in inn percent of pass supermarket of apparent prep above, big sell what open in field " the inn in inn " , 7 supermarkets that are monitored, big sell in field only a commodity that be monitored is all and eligible.
Proposal of door of The Ministry of Commerce and Industry is broad consumer, diamond of choose and buy kind act the role of when tasting, what buy 0.5 carat above especially is high-grade act the role of when tasting, want to examine calibration certificate carefully.
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