Gem Knowledge

Beginner's Guide: What Are the Different Types of Opal?

Are you fascinated by the beautiful colours of opal? Do you wish you knew more? Here, Gem-A assistant gemmology tutor,…

Do you dream about a sparkling high jewellery collection featuring world-leading brands? Christa Van Eerde MA MLitt FGA DGA discovers…

Buying a piece of fine jewellery is often an emotional experience. Whether it’s an engagement ring, a wedding band or…

Gem-A is proud to own a fantastic collection of gemmological specimens that have been gathered, gifted and bequeathed throughout our…

What makes Kashmir sapphires so special? What about the padparadscha? What role do treatments play in value? Here, Gem-A tutor,…

From the Summer 2018 issue of Gems&Jewellery, Gem-A gemmology tutor Beth West FGA DGA EG explores the Musica people and…

From the Summer 2018 issue of Gems&Jewellery, Gagan Choudhary FGA, deputy director of Gem Testing Laboratory Jaipur, describes the various…

Most of us know about fluorescence in gemstones, but how many use it as part of their gemmological testing routine?…

As a gemstone and jewellery grading and identification expert at Lang Antiques in San Francisco, Starla Turner FGA GG has…