Nyheder

China’s advantage in the production of CVD diamonds

2022-07-26

Med hensyn til CVD-diamanter, Kina, De Forenede Stater, Indien, og Singapore er alle vigtige producenter. På nuværende tidspunkt, Kina tager føringen i produktionen af ​​højkvalitets CVD-diamanter i stor karat med hensyn til teknologi og skala, mens amerikanske virksomheder som De Beers næsten investerer $100 millioner i CVD-diamantproduktionsfabrikker for at udvide produktionen. …

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HPHT and CVD coexist for a long time

2022-07-26

The co-development of the two technical routes pushes up the production of cultured diamonds. After years of research and development, there have been a variety of methods to prepare and cultivate diamonds. På nuværende tidspunkt, there are only two technical routes of commercial high temperature and high-pressure method (HPHT) og kemisk dampaflejring (CVD). HPHT metode …

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Anerkend og del 4C-klassificeringsstandarder for autoritative organisationer

2022-07-26

The 4C grading standard is used for both cultured and natural diamonds. I 1940'erne, Gemological Institute of America (FAMILIE) påbegyndte “4C fra farveperspektivet, standarden og det internationale diamantklassificeringssystem, fra de fire dimensioner af farve, Klarhed, Skære, og Carat diamant certificering. Diamantfarve er opdelt i 5 karakterer, …

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Significant Things Everybody Should Know About Lab-Grown Diamond

2022-07-26

Before purchasing lab-grown diamonds, they say there is genuinely nothing similar to a diamond, yet what might be said about lab-grown diamonds? We love the feeling behind diamonds, remarkably when one has been proposed to you by the one individual on the planet who you basically can’t survive without. Imidlertid, what makes an ideal diamond …

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