“Together with cut and carat, colour and clarity are half of the 4 ‘C’s of diamonds. In coloured gemstones they are two of many more numerous factors in understanding value but they are arguably still the most important. But they are not as simple as they sound: both affect value positively and negatively, with physical, …
Read more “Colour and Clarity: The Key to Coloured Gemstones”
“The gem and jewellery industry has seen great change, development, and most recently, upheaval. Markets have experienced both growth and fluctuation on a massive scale and sale results have remained hot discussion points. Yet so often pricing is only ever discussed without a larger context. Much of our price and value knowledge comes from recent, …
Read more “The Gemstone Market: A Historical Perspective”
“Traçabilité et durabilité sont au centre des nouvelles exigences de l’horlogerie et la joaillerie.Cette table ronde offre une occasion d’examiner les aspects les plus importants de la chaîne de valeur des matières premières précieuses. Les intervenants de ce forum devraient parler des progrès réalisés, discuter des obstacles et des lacunes qui existent ainsi que des …
Read more “La gemmologie face aux défis sociaux, environnementaux et scientifique”