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Pure diamonds, before and after irradiation and annealing. Numbered clockwise from left bottom: (1) 2×2 mm initial; top row (2,3,4) irradiated by diff
Pure diamonds, before and after irradiation and annealing. Numbered clockwise from left bottom: (1) 2×2 mm initial; top row (2,3,4) irradiated by different doses of 2 MeV electrons; bottom right (5,6) irradiated by different doses and annealed at 800 °C.
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Diamond certified FL (flawless) by the GIA
Diamond certified FL (flawless) by the GIA
Two diamonds of grade VS1 and SI2 respectively.
Two diamonds of grade VS1 and SI2 respectively.