Skip to main content
Navigation principale
About us
Services
Main services
Diamond services
Gem services
Pearl services
Exclusive services
Cleaning and sorting of chemically-unset melee diamonds
Cleaning & oiling of emeralds
Coral species identification
Cullinan report
Consulting
Products
News
Contact
en
fr
News
Spiral structure in a Colombian emerald
Select category
- Any -
Insight
Micrographs
Research
Apply
Research
02.10.2020
Review and update of the classification of precious corals.
Read
Micrographs
14.09.2020
Dendritic inclusions in an unheated magmatic-related sapphire from Attapeu province, South Laos
Read
Micrographs
06.09.2020
Emerald from Colombia whose cracks are filled with epoxy resin
Read
Research
04.09.2020
New Large Black Synthetic Moissanite as a Black Diamond Imitation
Read
Micrographs
09.08.2020
Blue anatase crystals in a quartz from Brazil
Read
Insight
25.04.2020
Conference on replay: Brown Diamonds, a new in-depth look at their properties and classification
Read
Insight
21.04.2020
Webinar: Brown diamonds - A new in-depth look at their properties and classification
Read
Insight
04.04.2020
1K followers on Instagram
Read
Micrographs
24.02.2020
Tiny guest oriented inclusions with biotite crystal inclusions in a peridot (forsterite) from Myanmar
Read
Research
15.10.2019
Efficiently Testing Melee-Sized Coloured Stones
Read
Insight
01.07.2019
Mogok : The Valley of Precious Stones
Read
Research
28.05.2019
Cobaltocalcite or cobaltoan calcite: A Swiss answer
Read
Pagination
First page
« First
Previous page
‹ Previous
Page
1
Page
2
Page
3
Page
4
Current page
5
Page
6
Page
7
Next page
Next ›
Last page
Last »
Navigation SM
About us
Services
Main services
Diamond services
Gem services
Pearl services
Exclusive services
Cleaning and sorting of chemically-unset melee diamonds
Cleaning & oiling of emeralds
Coral species identification
Cullinan report
Consulting
Products
News
Contact
en
fr