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VVS [1 record]

Record 1 2017-05-12

English

Subject field(s)
  • Gemmology
  • Diamond Industry
DEF

A GIA (Gemological Institute of America) diamond clarity grade category describing diamonds containing minute inclusions and blemishes which are very difficult to see under 10x magnification.

OBS

A diamond clarity grade between flawless (F) or internally flawless and very slightly included (VS). Sub-grades VVS1 and VVS2 are used, according to the incidence of small naturals, nicks, scratches, pinpoints, slight bearding or other minor fault.

OBS

very, very small inclusions: A Scan. D.N. (Scandinavian Diamond Nomenclature) clarity grade.

OBS

very, very slightly included: term preferred to the earlier expression "very, very slightly imperfect."

Key term(s)
  • very, very small inclusion

French

Domaine(s)
  • Gemmologie
  • Industrie diamantaire
DEF

Dans le système de classification du GIA (Gemological Institute of America), degré de pureté attribué à un diamant comportant de minuscules inclusions et défauts de surface très difficilement décelables sous un grossissement de x10.

CONT

Les diamants appartenant à la catégorie VVS contiennent de minuscules inclusions que même un œil exercé a du mal à voir à 10x. Dans les pierres classées VVS1</sub>, ces inclusions sont extrêmement difficiles à voir, visibles de la culasse seulement, ou si petites et si peu profondes qu'un léger repolissage pourrait les faire disparaître. Dans les pierres classées VVS2</sub>, elles sont très difficiles à voir.

Spanish

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