培育鑽石產業發展創新大會 -- 廣州, 中國
從五月 18 至 19, 2022, 第一屆國際培育鑽石產業發展與創新大會 (LGD-IDIC) 廣州鑽石交易中心主辦 (廣州鑽石交易中心) 在廣州舉行. 廣州市商務局嘉賓, Panyu District of Guangzhou, 粵交所控股集團等單位出席開幕式並致辭. …
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5月印度培育金剛石原石進口量是多少 2022?
根據印度公佈的最新進出口數據, 在五月 2022, 印度培育金剛石原石進口量 $110 百萬, 向上 45.95% 去年同期; 人工培育裸鑽出口額達 177 百萬美元, 向上 137.33% 同比創歷史新高. 在五月 2022, India's import …
中國生產CVD鑽石的優勢
就CVD鑽石而言, 中國, 美國, 印度, 和新加坡都是重要的生產國. 現在, 中國高品質大克拉CVD鑽石生產技術和規模領先, 而戴比爾斯等美國企業投資近 $100 百萬CVD金剛石生產工廠擴產. …
HPHT and CVD coexist for a long time
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. 現在, there are only two technical routes of commercial high temperature and high-pressure method (高溫高壓) 和化學氣相沉積 (化學氣相沉積). 高溫高壓法 …
認可並分享權威機構的4C分級標準
The 4C grading standard is used for both cultured and natural diamonds. 40年代, 美國寶石學院 (家庭) 發起了 "4C 從顏色上看, 標準和國際鑽石分級系統, 從Color的四個維度, 明晰, 切, 和克拉鑽石認證. 鑽石顏色分為 5 成績, …
Lab-grown real diamonds, from industrial pearls to new consumer trends
Diamond has excellent properties and is widely used downstream. Diamond is a product refined from diamond. It is also the hardest and simplest gem in the world. It is a natural crystal with a cubic structure of carbon. Natural diamonds in nature are formed from carbon at depths of about 100 miles below the surface …
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