SSEF為歷史上著名的 ‘Ana Maria Pearl’ 珍珠首次進行放射性碳-14年代測定,該珠寶將在5月份的佳士得日內瓦瑰麗珠寶拍賣會上以第264號拍品面世
2019年5月7日 – SSEF瑞士珠寶研究院使用碳-14(同位素定年法)成功地對具歷史重要意義的 […]
LMHC makes progress on harmonisation of colour description and new treatment issues
Significant achievements in the harmonisation of wordin […]
Detecting low temperature heated rubies from Mozambique
SSEF has conducted an extensive research project to est […]
Trade alert: ‘Kashmir-like’ sapphires from Madagascar
This trade alert focuses on those sapphires from this n […]
Age dating of natural pearls as a client service
The Swiss Gemmological Institute SSEF has become the fi […]
SSEF introduces GemTOF to gemstone testing
The Swiss Gemmological Institute SSEF has become the fi […]
New SSEF reports and myssef.ch platform for report verification and download
SSEF has revamped the design of their reports. Furtherm […]
Switzerland’s SSEF and Gübelin Gem Lab agreeto harmonise “pigeon blood red” and “royal blue” standards
The Swiss-based Gübelin Gem Lab and Swiss Gemmological […]