实验记录
DSEF German Gem Lab
The trade uses DSEF for identification, treatment detection and origin determination on coloured stones and pearls.
记录
总部Idar-Oberstein, Germany
成立1969
身体类型Report issuer
关于原产国的意见发布
状态发布报告
涵盖内容
Coloured stonePearlOrigin determinationTreatment detection
其发布的报告
名称以该实验室在其网站上所标注的名称为准。报告内容及措辞均由该实验室确定，而非由我们确定。
- DSEF Certificate
- Short Written Report
- Oral Statement
值得了解
The legal name is Deutsche Stiftung Edelsteinforschung, a German foundation. Only the full DSEF Certificate carries an origin opinion; the Short Written Report is issued without origin determination. No online report verification is offered.
摘自 dsef.de，阅读请访问 2026年8月16日。
我们审核的是经销商，而非宝石。实验室报告仅描述某颗宝石在某一日期的状况；它并非价值的保证，我们也不对此负责。