Method for evaluation of a gemstone

A method of determining the position of inclusions in a gemstone, comprising: (a) placing the gemstone within a material having a refractive index within 0.5, optionally 0.2 or 0.1, of that of the gemstone; (b) illuminating the gemstone and imaging the illuminated gemstone; and (c) determining the p...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: DEVIR ADAM, SHEFFER DAN, SHLEZINGER HAIM, ZISKIND RAN
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A method of determining the position of inclusions in a gemstone, comprising: (a) placing the gemstone within a material having a refractive index within 0.5, optionally 0.2 or 0.1, of that of the gemstone; (b) illuminating the gemstone and imaging the illuminated gemstone; and (c) determining the position of inclusions based on images of the inclusions in the images.