构建颜色处理钻石市场
Karnavat 先生生活在一个五彩缤纷的世界里，在 2013 年图森宝石展上的专访中，他与我们分享了这些缤纷的色彩。 Karnavat 先生向我们呈现了五颜六色的颜色被优化的钻石，并逐个介绍了他所采用的颜色优化处理。
Tourmaline in Emerald
Examination of a Zambian emerald reveals prismatic black tourmaline inclusions.
Small “Surprise” in Elbaite Tourmaline
Diopside crystals observed in elbaite tourmaline resemble an exclamation point.
“Smoke Rings” in a Non-Beryllium-Diffused Sapphire
A rare look at a smoke ring pattern identified in sapphire without the presence of beryllium.
Stellate Zircon in a Paraíba Tourmaline
Fiber-optic light reveals a remarkable set of stellate inclusions in blue-green Paraíba tourmaline.
Natural Diamond with Unusual Phosphorescence
A rare observation of spatially distinct red and greenish blue phosphorescence in a natural diamond.
Natural Type IIa Diamond with Unusual Red Fluorescence Distribution
“Nebula” Inclusion in Ruby Beryllium-Diffused to Heal Fractures
Pearls in Traditional Indian Nose Rings
Breyite in Diamond
Iridescent Inclusion in Brown Diamond
An iridescent crystal with a stress halo is observed in a light brown diamond.
Natural Diamond with Twinning Wisps Resembling a Whale
Examination of a round brilliant diamond reveals twinning wisps in the formation of a whale.
A Type of Multi-Colored Quartz with Oriented Inclusions, Reportedly from Brazil
A study of a special quartz known in the Chinese trade as “Auralite 23.”
A Non-Nacreous Pearl Reportedly from Telescopium telescopium
An examination of the first natural pearl reportedly discovered in a Telescopium species.
Treated “Nickel-Rich” Green Diamond
Examination of a Fancy yellow-green diamond attributes color to both natural and artificial mechanisms.
Treated Orange and Pink CVD Laboratory-Grown Diamond
The Carlsbad laboratory reports on two CVD-grown diamonds subjected to multiple treatments to achieve their final color grades.
Large Orange Rutile Inclusion in a “Chameleon” Diamond
A partially enclosed orange rutile crystal is observed on the crown of a faceted diamond.
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