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about gemstones
Mongolia is an amazing landlocked country with very cold weather, especially if you don’t have the right clothes,…
Sri Lanka (Ceylon) is one of the richest places for precious stones in the world. Some of the…
Cuba – a beautiful island in the Caribbean, lots of sun, rum and beautiful sea. In the world…
Ghana and Côte d’Ivoire are countries in West Africa. Ghana is a predominantly lowland region with the Volta…
Myanmar is a country between Thailand, India, China and Laos, but you may know it better by its…
More than 15 years ago, we started to work intensively in the field of precious stones in northern…
Brazil is a promised country for all lovers of minerals and precious stones in particular. And so, after…
Tanzania, a country in East Africa, is one of the largest producers of gemstones in the world. Many…
Moonstone is a popular staple in the jewellery industry with high demand, mainly due to its bluish, rocking…
We would like to start with a short survey: what do you think of when you think of…
(GRS) Gemresearch Swiss Lab -Switzerland Address : GRS Gemresearch Swiss Lab Ltd., P.O. Box 4028, 6002 Lucerne, Switzerland….
AIGS-Asian Institute of Gemological Sciences Address : AIGS School, 919/1 Silom Road, Jewelry Trade Center, 6th Floor, Bangrak,…
