Economists are recognising that the decline in middle-class purchasing power is directly affecting some consumer products – including jewellery.
Read More
De Beers holds largest cycle (sight) in more than two years. Luxury sales have begun to rise again after a negative year.
Read More
Rebecca Buys, GG, with a fulfilling career as a designer and appraiser, guides GIA alumni opportunities in San Diego, California.
Read More
Boulder opal is becoming more and more popular. Australia’s central Queensland is home to more than a dozen of sources of this stone. Come with GIA field gemmologists to find out more about this unique gem.
Read MoreA treatise on the design, display, care and repair of fine gemstones.
Read MoreThis article, from the Winter 1991 issue of Gems & Gemmology, is a compilation of abstracts of important gemmology-related articles published outside of Gems & Gemmology.
Read MoreLearn about opal's durability and how to care for your opal jewellery.
Read MoreOpal is known for its unique display of flashing rainbow colours called play-of-colour. There are two broad classes of opal: precious and common. Precious opal displays play-of-colour, common opal does not.
Read More
