实验记录
Gubelin Gem Lab
The trade uses Gubelin for identification, treatment detection and country-of-origin opinions on high-value coloured stones.
记录
总部Lucerne, Switzerland
成立1923
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 stoneOrigin determinationTreatment detectionSynthetic 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。
- Gemmological Report
- Gemstone Rating
- Gem Passport
- Jewellery Passport
- Gemmological Profile
- Gemmological Portrait
值得了解
The laboratory traces its origins to the work of Dr Eduard J. Gubelin and to the systematic determination of country of origin. It runs the Provenance Proof traceability initiative and lists laboratories in Lucerne, Hong Kong, Bangkok and New York.
摘自 gubelingemlab.com,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。