SSEF at GemGenève (09-12 May 2024, Booth B13)
SSEF is honoured to take part in the upcoming edition o […]
Join us for the live presentation of ASDI-500 (screening diamonds down to 0.5mm size) at the Antwerp Diamond Bourse on Thursday March 21st
ASDI-500, is the world’s first automatic device to verify the nature of diamonds – natural diamonds VS laboratory-grown diamonds VS diamond simulants – down to the tiny size of half a millimeter (0.5mm or 500 micrometers, hence its name ASDI 500).
SSEF on-site testing in Hong Kong, 23 February – 04 March 2024
We will be in Hong Kong 23 February – 04 March offering […]
SSEF at Tucson AGTA show (30 January – 4 February 2024)
SSEF is honoured to take part in the upcoming edition o […]
SSEF closed 21 December – 2 January
The SSEF laboratory will be closed for the holidays fro […]
SSEF at GemGenève (02-05 November 2023, Booth A71)
SSEF is honoured to take part in the upcoming edition o […]
Irradiation Treatment in Rubies and other Corundum Varieties: Update about Ongoing Research at SSEF on this Issue
Irradiation of corundum varieties to change and enhance their colour is known since many decades but remains a difficult and challenging issue until today, as no gemmological method is currently known which would allow an unambiguous detection of this type of treatment.
SSEF at GemGenève (11-14 May 2023, Booth B03)
SSEF is honoured to take part in the upcoming edition o […]
New and additional criteria to detect low-T heated pink sapphires applied by SSEF
Heat treatment of ruby, sapphire and other colour varie […]