A diamond so classified for its lack of clarity (or purity) as a result of its having very small inclusions (piqués) of carbonaceous material, usually visible to the naked eye. There are grades ofpiqué diamonds according to the extent of the inclusions. Often referred to as 'PK'.
Pique Diamond
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Explanation on pique diamond by Adin antique jewelry
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Pique Diamond
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A diamond so classified for its lack of clarity (or purity) as a result of its having very small inclusions (piqués) of carbonaceous material, usually visible to the naked eye. There are grades ofpiqué diamonds according to the extent of the inclusions. Often referred to as 'PK'.
Also known as:
References
From: An Illustrated Dictionary of Jewelry, autor: Harold Newman, publishers: Thames and Hudson
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