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Gemology05 February 20256 min read
No-Oil: The Rarest Word in the Emerald Trade
What does 'no-oil' mean on a gemological report — and why does it matter so profoundly to serious collectors?
In the language of the emerald trade, few phrases carry as much weight as two small words: no oil.
The Laboratory Assessment
Major gemological laboratories have developed sophisticated protocols for detecting the presence of clarity enhancement.
The Commercial Consequence
The commercial premium attached to a no-oil designation is substantial and has grown considerably over the past decade.
R
Rivera Jewels
Jaipur · The Maison
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