Recent Advances in Understanding the Geology of Diamonds
Examines the last two decades’ advances in analysing and understanding the formation of natural diamonds, and their relation to the Earth’s formation.
The Very Deep Origin of the World’s Biggest Diamonds
Explores an exceptional family of diamonds, referred to as “CLIPPIR” (Cullinan-like, Large, Inclusion-Poor, Pure, Irregular and Resorbed), that formed in a super-deep environment.
Rough Diamond Auctions: Sweeping Changes In Pricing and Distribution
Examines the growing percentage of rough diamonds being sold through auctions, a shift that has caused price volatility while opening up supply to more manufacturers and dealers.
Identification of Melee-Size Synthetic Yellow Diamonds in Jewellery
Melee-size yellow synthetic diamonds have recently been seen in the gem market.
Auction Houses: A Powerful Market Influence on Major Diamonds and Coloured Gemstones
A report on how high-profile jewellery auctions have affected the gem and jewellery market.
Geology and Development of the Lomonosov Deposit, North-Western Russia
Reviews diamond discoveries at the Lomonosov deposit, as well as the geology of the Arkhangelsk kimberlite province.
Botswana’s Scintillating Moment
Examines the history of diamond production in Botswana and the long-term outlook for beneficiation through value-added industries.
Exploring the Chinese Gem and Jewellery Industry
Examines China’s eminent role in the gem and jewellery industry, as a manufacturer and a consumer market, and its impact on the global trade.
Optimising Face-Up Appearance in Coloured Gemstone Faceting
How contrast patterns can increase perceived brightness and optimise a gemstone's appearance.
Colour Phenomena of Blue Amber
Investigates the presence of fluorescence, rather than iridescence, as the cause of colour in blue amber from the Dominican Republic and Indonesia.