Chameleon diamonds are among the rarest of gem diamonds.
Read MoreNumerous natural-colour coloured diamonds from the Aurora Butterfly of Peace and other collections were studied using a new type of fluorescence spectrometer.
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Summarises data collected on more than 15,000 natural blue/grey/violet diamonds examined by GIA during the last decade and examines the mechanisms that produce this colour range.
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Characterises a suite of 40 natural brown to black diamonds from this deposit so that they can be distinguished from suspected treated black diamonds.
Read MoreThis article chronicles the discovery of primary diamond deposits throughout Canada, whose increasing supply of rough stones will have a growing impact on the world diamond industry.
Read MoreThe first substantiated identification of corundum (var. ruby) occurring as an inclusion in natural diamond is presented.
Read MoreThis article describes the components and operation of the laser saw and its usefulness in diamond cutting.
Read MoreNapoléon Bonaparte gave an extraordinary diamond necklace to his empress, Marie-Louise, in 1811.
Read MoreThe author reports on a sudden influx of natural fancy pink diamonds and their origins.
Read MoreHigh-quality synthetic diamonds created by the Gemesis Corp. are examined and their gemmological properties are explicated.
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