人造鑽石和天然鑽石各有什麼優缺點?
實驗室製造鑽石和天然鑽石在以下方面有不同的優點和缺點: 形成過程: 天然鑽石是在地球深處經過數億年的地質作用而形成的. 它們是地球上稀有而珍貴的產品, 有著獨特的自然美. Grown diamonds are created in a laboratory using techniques such …
消息
珠寶商能分辨實驗室培育鑽石之間的區別嗎
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 …
將毛坯鑽石加工成裸鑽的過程
Diamond Sorting: After the rough diamonds are mined, they are sorted based on their shape, 尺寸, 和品質. 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 …
什麼是 R&高溫高壓鑽石原石D工藝
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 …
How do buyers of Indian lab-grown diamonds evaluate China’s hpht lab-grown diamonds?
根據市場分析和報告, 中國是實驗室製造鑽石的主要生產國和出口國, 我國高溫高壓實驗室製造鑽石技術和品質處於世界領先地位. The brand and product quality of China’s laboratory-grown diamonds have also been widely recognized and praised in the international market. …
How do buyers of Indian lab-grown diamonds evaluate China’s hpht lab-grown diamonds? 閱讀更多 »
合成鑽石參數表
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 …