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About product and suppliers:
        Alibaba.com offers 157 diamond detector pen products. About 40% of these are jewelry tools & equipment, 1% are currency detectors, and 1% are testing equipment. 

A wide variety of diamond detector pen options are available to you, such as testers & measurements, engraving tools. 

There are 77 diamond detector pen suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of diamond detector pen respectively. 

Diamond detector pen products are most popular in Northern Europe, Southern Europe, and Central America.