How do buyers of Indian lab-grown diamonds evaluate China’s hpht lab-grown diamonds?

Ifølge markedsanalyser og rapporter, Kina er en stor producent og eksportør af laboratoriedyrkede diamanter, og teknologien og kvaliteten af ​​HPHT-laboratorie-dyrkede diamanter i Kina er i en førende position i verden. The brand and product quality of China’s laboratory-grown diamonds have also been widely recognized and praised in the international market. …

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lab dyrket diamant parameter tabel

Parameter Description Diamond Type Type IIa or IIb Growth Method HPHT (Højtryk Høj temperatur) Pressure Up to 6 GPa Temperature Up to 2,300°C Growth Rate Typically 0.01-0.1 mm/hour Seed Crystal High-quality single crystal diamond Catalyst Metallic solvent such as Fe-Ni-Co or a mixture of carbons Gas Composition Typically methane or hydrogen mixed with a …

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Sammenligning af 4C-standarden for laboratoriedyrkede uslebne diamanter og naturlige diamanter

Artificial rough diamonds, also commonly referred to as synthetic diamonds or laboratory-grown diamonds, are produced by simulating the diamond formation process in the natural environment using artificial manufacturing techniques such as high temperature and pressure or chemical vapor deposition. Sammenlignet med naturlige diamanter, rough diamonds have some differences in appearance and physical properties, the following …

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Er HPHT eller CVD bedre til laboratoriedyrkede diamanter?

Both HPHT (Højtryk Høj temperatur) og CVD (Kemisk dampaflejring) methods can produce high-quality lab-grown diamonds, and which method is better depends on the specific needs and preferences of the buyer. HPHT diamonds are created by placing a small diamond seed in a high-pressure, high-temperature environment and using a metal catalyst to dissolve carbon …

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hvorfor er laboratoriedyrket diamant billigere

why buy lab grown diamonds Price: Lab-grown diamonds are typically less expensive than natural diamonds of similar quality. This is because they are created in a controlled environment, which eliminates the high costs associated with mining and extraction. Ethical and environmental concerns: Some people may have concerns about the social and environmental impact of mining …

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