彩色宝石、钻石和珍珠检测的世界领导者
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- 快速运输和安全的门到门交付
- 在曼谷、香港和美国进行现场鉴定
- 简单的订单和安全的信用卡支付方式
- SSEF鉴定报告*
*验证您的SSEF鉴定报告并下载副本：www.myssef.ch
我们是独立的瑞士非盈利性机构
科学方面的卓越表现
受到主要经销商 品牌商以及各大拍卖行的信任
我们是独立的瑞士非盈利性机构
科学方面的卓越表现
受到主要经销商 品牌商以及各大拍卖行的信任
成为宝石专家
自2001 年成功开课以来，SSEF 的教育部门已经为来自工业、贸易以及学术界的数千名学生提供了各类宝石学课程。了解我们的课程
- SSEF提供的免费中文在线课程。
- 高级课程（英文授课）
- 团队量身定制课程
SSEF的免费在线课程
了解宝石
通过这些介绍性的在线课程，开始你成为一个宝石专家的旅程。
Rare encounter: Sapphire with grandidierite needle inclusion
Recently, the SSEF received for testing a sapphire of pale blue colour with a distinct colourless needle-like inclusion, resembling to some extent long prismatic pargasite needles known in Kashmir sapphires.
Unheated pink sapphire from Madagascar with FTIR bands at 3232 and 3185 cm–1
FTIR spectroscopy has long been used to detect heat treatment of corundum via the presence of specific absorption bands related to structurally bonded hydroxyl groups in corundum.
New discoveries in precious coral research
Since first publishing our DNA fingerprinting approach on precious corals in 2020, we have made considerable advances and discoveries in this space.
Väyrynenite of exceptional quality and size, reportedly from Nigeria
Väyrynenite is a rare phosphate mineral that was first discovered in 1935 in a granitic pegmatite near Orivesi in southern Finland.