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largest in the world synthetic diamond single crystal

We produced the largest lab grown diamond in the world and this record was approved by Guinness World Records.

Our largest in the world synthetic diamond single crystal type IIb weighted 109.81ct, black color, (measurements: 25.72 х 24.74 х 19.84 mm) was grown predictably within 357 hours, starting on 03.06.2020, under specially developed high pressure high temperature technique.

The diamond was thoroughly analyzed, measured and certified by the most recognized authority in the gems world – the Gemological Institute of America (GIA).

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