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Research
2017 Las Vegas Trade Spotty, Designers and Diamonds Lead
Designers respond to market trends, demand for diamonds better than expected. Plus: Holiday season diamond marketing campaign gets funding boost.
Historical Reading List: The Diamond Fields of South Africa: Part 2 (1893-2014)
Within a few years of their discovery, the diamonds deposits of South Africa produced more diamonds than what had come from India in two millennia.
Luxury Firms Adjust to the Era of Diminished Opulence
Baselworld 2017: Luxury jewelry designers rethinking blingy, gem-laden looks for more artistic designs. Pink Star diamond sells for $71 million.
US Retailers Continue to Cite ‘Challenging’ Environment, Synthetic Melee Detected
Economists recognize that the decline in middle class purchasing power is directly affecting some consumer products – including jewelry.
De Beers Optimistic as Sales Revive; Luxury Houses Remain Cautious
De Beers has largest cycle (sight) in more than two years. Luxury sales have begun to rise again after a negative year.
Emerging Designer Wins Grant to Create Ethical Brand
Designer’s frequent world travels laid a foundation of creative experimentation, design inspiration and social responsibility.
Ups and Downs of 2016 Make for an Uncertain 2017
The diamond industry was slow to recover in 2016 and colored gems got a welcome shot in the arm. Mixed signals leave no clear indicators for 2017.
Is Another 1,000 (or 3,000) Carat Diamond Around the Corner?
Find out why the number of very large diamonds entering the market has increased sharply in the last few years.
Diamond Growth from C–H–N–O Recycled Fluids in the Lithosphere: Evidence from CH₄ Micro-inclusions and δ¹³C–δ¹⁵N–N Content in Marange Mixed-habit Diamonds
Article was published in Lithos Volume 265, 68-81.
Fall 2016 G&G: CVD Synthetic Diamonds Survey, Reversible Color Change in Blue Zircon
A summary of the content found in the Fall 2016 issue of Gems & Gemology.
Diamond Quality: A Short History of the 4Cs
You’ve heard about the 4Cs of diamond quality (color, clarity, cut, carat weight). But how did they become so well-known? Here’s a little diamond history.
Type Ib Diamond Formation and Preservation in the West African Lithospheric Mantle: Re–Os Age Constraints from Sulphide Inclusions in Zimmi Diamonds
Article published in Precambrian Research 286, 152-166.
