Lab-grown and natural diamonds have different advantages and disadvantages in the following ways: Formation process: Natural diamonds are formed deep in the earth after hundreds of millions of years of geological processes. They are rare and precious products of the earth, with unique natural beauty. Grown diamonds are created in a laboratory using techniques such …

What are the advantages and disadvantages of man-made diamonds and natural diamonds? 閱讀更多 »

是的, 具有寶石學經驗和專業知識的專業珠寶商通常可以區分實驗室培育鑽石和天然開采的鑽石. 雖然實驗室培育鑽石具有與天然鑽石相似的物理和化學特性, 有些特徵可以幫助珠寶商識別它們. Here are a few methods that jewelers might use to distinguish …

珠寶商能分辨實驗室培育鑽石之間的區別嗎 閱讀更多 »

Diamond Sorting: After the rough diamonds are mined, they are sorted based on their shape, 尺寸, and quality. This is done by trained professionals who have experience in identifying diamonds that are suitable for cutting and polishing. Diamond Planning: In this step, the rough diamond is analyzed to determine the best way to cut and …

將毛坯鑽石加工成裸鑽的過程 閱讀更多 »

高溫高壓 (高壓高溫) rough diamonds are man-made diamonds that are synthesized by simulating the high temperature and high pressure environment deep in the earth. Raw material preparation: select high-purity graphite and metal catalysts as raw materials. Processing of graphite: Mechanical processing and chemical treatment of graphite to make graphite grains that meet the …

什麼是 R&高溫高壓鑽石原石D工藝 閱讀更多 »

According to market analysis and reports, China is a major producer and exporter of laboratory-grown diamonds, and the technology and quality of HPHT laboratory-grown diamonds in China are in a leading position in the world. The brand and product quality of China's laboratory-grown diamonds have also been widely recognized and praised in the international market. …

印度人造鑽石的買家如何評價中國的高溫高壓人造鑽石? 閱讀更多 »

Parameter Description Diamond Type Type IIa or IIb Growth Method HPHT (高壓高溫) 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 …

合成鑽石參數表 閱讀更多 »