A lab grown company in Ukraine has produced “unique” two-colored diamonds – in the blue and yellow of the country’s flag. Meylor Global grew the diamonds using the High Pressure High Temperature (HPHT) method, by incorporating nitrogen and boron as metal catalysts. “Precise color zoning is the result of years of research and experiments where […]

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Hong Kong-based Diamond Services, a developer of technological systems and services for detecting synthetic, imitation and treated diamonds, says research it conducted indicates that High Pressure-High Temperature (HPHT) created diamonds subjected to irradiation treatment may not be detected by many of the screening devices that test diamonds at room temperature. The company said it was […]

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