2 thoughts on “Where can I identify the authenticity of diamonds in Shanghai?”

  1. Acceptance (Acceptance) Certificate Number: National Quality Supervision No. 215
    Electric
    Episode: 021-64701065, 64839409
    Calling address: No. 716, Yishan Road, Shanghai : Shanghai Test Technology Research Institute
    The main product scope of authorization inspection: gold and silver jewelry and other gold and silver products, jewelry and jade
    Jade Inspection Center
    Address: No. 1239, Siping Road, Shanghai
    The energy building of Tongji University
    Tel: 021-65983382
    FAX: 021-65981217
    The Treasure of China Light Industry Association Treasure Jade Stone Supervision and Testing Center Shanghai Inspection Station
    In Xinhua Road 365 Lane No. 6
    021-63220033-310
    200052
    Yuanmingyuan Road 34

    021-63215850
    200002
    : 56681084
    The treasure gem appraisal center T: 62168627
    , Sichuan North Road 789 Treasure Silver Tower
    East China Diamond Jade Hall, No. 61 Lishui Road n nThe 2nd floor of Huabao Building, No. 59 Wenchang Road
    200010
    t: 631111785-8015
    The free of free, generally 50 yuan for 50 yuan!
    The is not possible. Only a state -stipulated formal institution can issue a certificate. Any jewelry store is not qualified to issue a certificate!

  2. These are national certification:
    The subordinates of the Shanghai Technical Supervision Bureau "Shanghai precious metal treasure jade quality supervision and inspection station"
    SE Shanghai Quality Association "Shanghai Baby Jade Jet Preparation Center"
    Shanghai Testing Station of the Paoyu Stone Supervision and Testing Center of the China Light Industry Federation
    The national jewelry and jade testing and appraisal center Shanghai Laboratory

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