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Trade Hopes for a Bright 2019 Vegas Show
All eyes are on Las Vegas as the jewelry business slows in other parts of the world.
Diamonds from the Deep: How Old Are Diamonds? Are They Forever?
The age of something is fundamental. Humans, animals, wine, cars, and antiques are viewed and understood in the context of their age.
CVD Layer Grown on Natural Diamond
A composite of synthetically grown and natural diamond was recently identified by the Carlsbad laboratory.
Diamond Research Gives Clues to the Formation of the Continents
Mineral inclusions trapped in diamonds reveal the continents’ construction – and helps GIA researchers date diamonds.
De Beers Ups Supply, FTC Warns About ‘Eco’ Claims
DeBeers responds to fluctuations, and the FTC issues warnings on laboratory-grown diamonds. Plus: 302.37 ct Graff Lesedi La Rona is revealed.
Laboratory-Grown Diamonds: Demand Rises, Prices Fall
The proliferation of laboratory-grown diamonds into the market continues to dominate industry news. Plus: Natural Diamonds, Kimberley Process
Diamond Market Forecast: Declining Credit, Soft Prices and Lab-Grown Diamonds
Despite the generally strong year for jewelry retail, the diamond industry continues to face problems with credit, spotty demand and soft prices.
Recent advances in understanding deep mantle carbon from diamond: Contributions from the DMGC
Shirey S.B., Smit K.V., Pearson D.G., Walter M.J., Aulbach S., Brenker F.E., Bureau H., Burnham A.D., Cartigny P., Chacko T., Frost D.J., Hauri E.H., Jacob D.E., Jacobsen S.D., Kohn S.C., Luth R.W., Mikhail S., Navon O., Nestola F., Nimis P., Smith E.V., Stachel T., Stagno V., Stern R.A., Steele A., Thomassot E., Thomson A.R., Weiss Y. (2019) Recent advances in understanding deep mantle carbon from diamond: Contributions from the DMGC. In B. Orcutt, I. Daniel, and R. Dasgupta, Eds., Whole Earth Carbon: Past and Present, Cambridge University Press, pp. 89-128.
How old are diamonds? Are they forever?
Smit K.V., Shirey S.B. (2019) How old are diamonds? Are they forever? Gems & Gemology, Vol. 55, No. 1, pp. 102-109.
Kimberlites: Earths diamond delivery system
Smit K.V., Shirey S.B. (2019) Kimberlites: Earths diamond delivery system. Gems & Gemology, Vol. 55, No. 2, pp. 270-276.
Diamonds from the Deep: How Do Diamonds Form in the Deep Earth?
Surprisingly, diamonds do not all form in the same way, but rather they form in various environments and through varying mechanisms.
Chart: Inclusions in Natural, Synthetic, and Treated Diamond
Provides a visual guide to the internal features of natural, synthetic, and treated diamonds.
