{"id":15915,"date":"2021-07-25T18:20:49","date_gmt":"2021-07-25T10:20:49","guid":{"rendered":"https:\/\/diamondsgallery.com.hk\/?p=15915"},"modified":"2026-08-10T12:59:16","modified_gmt":"2026-08-10T04:59:16","slug":"hpht-vs-cvd","status":"publish","type":"post","link":"https:\/\/diamondsgallery.com.hk\/en\/hpht-vs-cvd\/","title":{"rendered":"HPHT VS CVD"},"content":{"rendered":"<p>High temperature and high pressure method VS chemical vapor deposition method<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/diamondsgallery.com.hk\/wp-content\/uploads\/2021\/07\/AdobeStock_244339784-scaled.jpeg\" sizes=\"(max-width: 2560px) 100vw, 2560px\" srcset=\"https:\/\/diamondsgallery.com.hk\/wp-content\/uploads\/2021\/07\/AdobeStock_244339784-scaled.jpeg 2560w, https:\/\/diamondsgallery.com.hk\/wp-content\/uploads\/2021\/07\/AdobeStock_244339784-600x401.jpeg 600w, https:\/\/diamondsgallery.com.hk\/wp-content\/uploads\/2021\/07\/AdobeStock_244339784-scaled-64x43.jpeg 64w, https:\/\/diamondsgallery.com.hk\/wp-content\/uploads\/2021\/07\/AdobeStock_244339784-300x200.jpeg 300w, https:\/\/diamondsgallery.com.hk\/wp-content\/uploads\/2021\/07\/AdobeStock_244339784-1024x684.jpeg 1024w, https:\/\/diamondsgallery.com.hk\/wp-content\/uploads\/2021\/07\/AdobeStock_244339784-768x513.jpeg 768w, https:\/\/diamondsgallery.com.hk\/wp-content\/uploads\/2021\/07\/AdobeStock_244339784-1536x1025.jpeg 1536w, https:\/\/diamondsgallery.com.hk\/wp-content\/uploads\/2021\/07\/AdobeStock_244339784-2048x1367.jpeg 2048w, https:\/\/diamondsgallery.com.hk\/wp-content\/uploads\/2021\/07\/AdobeStock_244339784-323x216.jpeg 323w, https:\/\/diamondsgallery.com.hk\/wp-content\/uploads\/2021\/07\/AdobeStock_244339784-440x294.jpeg 440w, https:\/\/diamondsgallery.com.hk\/wp-content\/uploads\/2021\/07\/AdobeStock_244339784-675x451.jpeg 675w, https:\/\/diamondsgallery.com.hk\/wp-content\/uploads\/2021\/07\/AdobeStock_244339784-544x363.jpeg 544w\" alt=\"hpht-vs-cvd \u9ad8\u6eab\u9ad8\u58d3\u6cd5 VS \u5316\u5b78\u6c23\u76f8\u6c89\u7a4d\u6cd5\" width=\"2560\" height=\"1709\" \/><\/p>\n<h2>High-Pressure High-Temperature (HPHT)\uff1a<\/h2>\n<p>\u9ad8\u6eab\u9ad8\u58d3\u6cd5(HPHT)\u662f\u4eba\u70ba\u6a21\u64ec\u5929\u7136\u947d\u77f3\u5728\u5730\u4e0b200\u516c\u91cc\u6df1\u8655\u7684\u6eab\u5ea6\u3001\u58d3\u529b\uff0c\u5c07\u947d\u77f3\u6676\u7a2e\u653e\u7f6e\u65bc\u5927\u578b\u7684\u6a5f\u529b\u58d3\u6a5f\u4e2d\u65bd\u52a0\u9ad8\u58d3\u4ee5\u53ca\u9ad8\u6eab\u3002\u6a5f\u5668\u80fd\u5920\u7522\u751f\u975e\u5e38\u9ad8\u7684\u58d3\u529b\u548c\u6eab\u5ea6\u3002\u6eab\u5ea6\u7d04\u70ba1300\u5ea6\u651d\u6c0f\u81f31500\u5ea6\u651d\u6c0f\uff0c\u58d3\u529b\u7d04\u70ba40,000\u81f360,000\u500b\u5927\u6c23\u58d3\u529b\u3002\u78b3\u6676\u683c\u6703\u6839\u64da\u947d\u77f3\u6676\u7a2e\u91cd\u65b0\u6392\u5217\uff0c\u4e26\u8b8a\u6210\u947d\u77f3\uff0c\u96a8\u6642\u9593\u9577\u51fa\u4e00\u5c64\u5c64\u7684\u947d\u77f3\u7d50\u6676\uff0c\u76f4\u5230\u751f\u9577\u81f3\u9700\u8981\u7684\u514b\u62c9\u91cd\u91cf\u3002<\/p>\n<h2>Chemical Vapor Deposition (CVD)\uff1a<\/h2>\n<p>The basic principle of CVD is to place the diamond seed in an ion gas reactor in a vacuum and introduce a carbon-rich gas at low temperatures. Through the high-temperature decomposition of methane gas, plasma of carbon atoms is generated, allowing the carbon atoms to form a thin film on the diamond and deposit diamond layers.<\/p>\n<p>Read More:<\/p>\n<ul>\n<li><a href=\"https:\/\/diamondsgallery.com.hk\/en\/why-lab-grown-diamonds-are-better-than-natural-diamonds\/\">Learn about lab grown diamonds<br \/>\n<\/a><\/li>\n<li><a href=\"https:\/\/diamondsgallery.com.hk\/en\/do-lab-grown-diamonds-maintain-value\/\">Why does Lab Grown Diamond retain its value so well?<br \/>\n<\/a><\/li>\n<li><a href=\"https:\/\/diamondsgallery.com.hk\/en\/lab-grown-diamonds-vs-natural-diamonds\/\">Lab Grown Diamonds VS Natural Diamonds<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Discover the differences between HPHT and CVD methods for growing lab-grown diamonds at Diamonds Gallery. HPHT simulates natural deep-earth conditions with high pressure and temperature, while CVD uses low temperature and carbon-rich gases in a vacuum. Learn how each method affects diamond growth.<\/p>","protected":false},"author":1,"featured_media":18308,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","_joinchat":[],"footnotes":""},"categories":[186],"tags":[],"class_list":["post-15915","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-of-lab-grown-diamond"],"_links":{"self":[{"href":"https:\/\/diamondsgallery.com.hk\/en\/wp-json\/wp\/v2\/posts\/15915","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/diamondsgallery.com.hk\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/diamondsgallery.com.hk\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/diamondsgallery.com.hk\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/diamondsgallery.com.hk\/en\/wp-json\/wp\/v2\/comments?post=15915"}],"version-history":[{"count":2,"href":"https:\/\/diamondsgallery.com.hk\/en\/wp-json\/wp\/v2\/posts\/15915\/revisions"}],"predecessor-version":[{"id":1931516,"href":"https:\/\/diamondsgallery.com.hk\/en\/wp-json\/wp\/v2\/posts\/15915\/revisions\/1931516"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/diamondsgallery.com.hk\/en\/wp-json\/wp\/v2\/media\/18308"}],"wp:attachment":[{"href":"https:\/\/diamondsgallery.com.hk\/en\/wp-json\/wp\/v2\/media?parent=15915"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/diamondsgallery.com.hk\/en\/wp-json\/wp\/v2\/categories?post=15915"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/diamondsgallery.com.hk\/en\/wp-json\/wp\/v2\/tags?post=15915"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}