Coloured diamond

Details Coloured diamond Coloured diamond

C - Chemistry, Metallurgy

30

B

C30B 33/00 (2006.01) C30B 29/04 (2006.01)

Patent

CA 2495840

A method of producing a single crystal CVD diamond of a desired colour which includes the steps of providing single crystal CVD diamond which is coloured and heat treating the diamond under conditions suitable to produce the desired colour. Colours which may be produced are, for example, in the pink-green range.

Procédé servant à produire un diamant monocristal de couleur désirée par dépôt de vapeur chimique CVD, ce qui consiste à mettre en application un diamant monocristal traité par CVD et coloré, puis de soumettre ce diamant à un traitement thermique dans des conditions permettant d'obtenir la couleur désirée. Les couleurs pouvant être produites sont situées, par exemple, dans une gamme rose-verte.

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