U.S. HOLIDAY CAMPUS CLOSURES
The Carlsbad and New York laboratories and campuses will be closed on Friday, July 3 in observance of the Independence Day holiday. These locations will resume regular business hours on July 6.

featured Research & News

Tucson 2015

Demand for Fine Colored Gems Continues

Dave Bindra shares highlights from colored gem collection, talks “recirculated” gems market.
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Lab Note

Analysis of Melee Using FTIR Spectroscopy

FTIR microscope can focus on melee diamonds as small as 0.00054 carats to produce high-quality spectra.
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Lab Note

Lab Finds HPHT Synthetic Melee in Pendant

One high-quality synthetic melee – in a design of 118 diamonds – is found in a high-end pendant.
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Tucson 2015

Oregon
Sunstone

An update on the demand and market of Oregon sunstone and plans for a sunstone miners’ association.
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Gem News International

A Portable, Paper Microscope for Gems?

Gemologist tests a portable microscope created by a team of Stanford University graduate students.
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