{"id":115597,"date":"2023-05-11T04:00:49","date_gmt":"2023-05-11T02:00:49","guid":{"rendered":"https:\/\/gioiellis.com\/?p=115597"},"modified":"2023-05-10T14:44:51","modified_gmt":"2023-05-10T12:44:51","slug":"e-indiano-il-piu-grande-diamante-artificiale","status":"publish","type":"post","link":"https:\/\/gioiellis.com\/fr\/e-indiano-il-piu-grande-diamante-artificiale\/","title":{"rendered":"Le plus gros diamant artificiel vient d&rsquo;Inde"},"content":{"rendered":"<p>La technologie appliqu\u00e9e \u00e0 l&rsquo;industrie du diamant a produit la plus grande gemme cr\u00e9\u00e9e artificiellement. Cela a \u00e9t\u00e9 annonc\u00e9 par le <strong>Gemological Institute of America<\/strong>, qui a catalogu\u00e9 un diamant de laboratoire d&rsquo;un poids record. La gemme a \u00e9t\u00e9 produite par un proc\u00e9d\u00e9 de d\u00e9p\u00f4t chimique en phase vapeur (CVD) par Ethereal Green Diamond, une soci\u00e9t\u00e9 bas\u00e9e \u00e0 Mumbai, en Inde. Le diamant synth\u00e9tique pr\u00e9sent\u00e9 au laboratoire GIA de Hong Kong p\u00e8se 34,59 carats et a une taille \u00e9meraude. Il s&rsquo;agit du plus gros diamant de laboratoire jamais examin\u00e9 par le GIA, selon Wuyi Wang, vice-pr\u00e9sident de la recherche et du d\u00e9veloppement du GIA. Parall\u00e8lement \u00e0 l&rsquo;int\u00e9r\u00eat pour les dimensions inhabituelles de la pierre, la qualit\u00e9 doit \u00e9galement \u00eatre prise en compte.<\/p>\n<figure id=\"attachment_110202\" aria-describedby=\"caption-attachment-110202\" style=\"width: 709px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/gioiellis.com\/wp-content\/uploads\/2022\/10\/fabbrica-di-diamanti.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-110202 size-full\" src=\"https:\/\/gioiellis.com\/wp-content\/uploads\/2022\/10\/fabbrica-di-diamanti.jpg\" alt=\"Un impianto di produzione di diamanti sintetici\" width=\"709\" height=\"567\" title=\"\" srcset=\"https:\/\/gioiellis.com\/wp-content\/uploads\/2022\/10\/fabbrica-di-diamanti.jpg 709w, https:\/\/gioiellis.com\/wp-content\/uploads\/2022\/10\/fabbrica-di-diamanti-300x240.jpg 300w, https:\/\/gioiellis.com\/wp-content\/uploads\/2022\/10\/fabbrica-di-diamanti-480x384.jpg 480w, https:\/\/gioiellis.com\/wp-content\/uploads\/2022\/10\/fabbrica-di-diamanti-625x500.jpg 625w\" sizes=\"auto, (max-width: 709px) 100vw, 709px\" \/><\/a><figcaption id=\"caption-attachment-110202\" class=\"wp-caption-text\">A synthetic diamond production plant<\/figcaption><\/figure>\n<p>Le diamant a \u00e9t\u00e9 class\u00e9 couleur G (la meilleure classe est D) et puret\u00e9 VS2. Dans la gemme, il y a de petites inclusions de graphite noir \u00e0 l&rsquo;int\u00e9rieur et d&rsquo;autres qui t\u00e9moignent des couches de croissance du diamant. Ce type de diamant, en fait, est cr\u00e9\u00e9 avec une accumulation de vapeur sp\u00e9ciale \u00e0 l&rsquo;int\u00e9rieur de machines sp\u00e9ciales. L&rsquo;examen de fluorescence a r\u00e9v\u00e9l\u00e9 des stries de croissance g\u00e9n\u00e9ralement observ\u00e9es dans les diamants cr\u00e9\u00e9s avec la technique CVD. Non seulement cela : il y a aussi un grain l\u00e9g\u00e8rement huileux ou ondul\u00e9 dans la facette de la surface, une caract\u00e9ristique qui se produit dans les diamants de ce type. Jusqu&rsquo;\u00e0 pr\u00e9sent, le record de diamants cultiv\u00e9s en laboratoire \u00e9tait d\u00e9tenu par le diamant taille princesse de 16,41 carats cr\u00e9\u00e9 par Shanghai Zhengshi Technology et examin\u00e9 dans le laboratoire Carlsbad du GIA en 2022.<\/p>\n<p><figure id=\"attachment_87063\" aria-describedby=\"caption-attachment-87063\" style=\"width: 709px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/gioiellis.com\/wp-content\/uploads\/2020\/10\/interno-produzione-Lightbox.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-87063 size-full\" src=\"https:\/\/gioiellis.com\/wp-content\/uploads\/2020\/10\/interno-produzione-Lightbox.jpg\" alt=\"La nuova miniera: l&#039;impianto di produzione in Oregon di diamanti artificiali\" width=\"709\" height=\"472\" title=\"\" srcset=\"https:\/\/gioiellis.com\/wp-content\/uploads\/2020\/10\/interno-produzione-Lightbox.jpg 709w, https:\/\/gioiellis.com\/wp-content\/uploads\/2020\/10\/interno-produzione-Lightbox-300x200.jpg 300w, https:\/\/gioiellis.com\/wp-content\/uploads\/2020\/10\/interno-produzione-Lightbox-83x55.jpg 83w, https:\/\/gioiellis.com\/wp-content\/uploads\/2020\/10\/interno-produzione-Lightbox-400x266.jpg 400w\" sizes=\"auto, (max-width: 709px) 100vw, 709px\" \/><\/a><figcaption id=\"caption-attachment-87063\" class=\"wp-caption-text\">Lightbox (De Beers) Man-Made Diamond Oregon Manufacturing Facility<\/figcaption><\/figure><\/p>","protected":false},"excerpt":{"rendered":"<p>La technologie appliqu\u00e9e \u00e0 l&rsquo;industrie du diamant a produit la plus grande gemme cr\u00e9\u00e9e artificiellement. Cela a \u00e9t\u00e9 annonc\u00e9 par le Gemological Institute of America, qui a catalogu\u00e9 un diamant de laboratoire d&rsquo;un poids record. La gemme a \u00e9t\u00e9 produite par un proc\u00e9d\u00e9 de d\u00e9p\u00f4t chimique en phase vapeur (CVD) par Ethereal Green Diamond, une soci\u00e9t\u00e9 bas\u00e9e \u00e0 Mumbai, en Inde. Le diamant synth\u00e9tique pr\u00e9sent\u00e9 au laboratoire GIA de Hong Kong p\u00e8se 34,59 carats et a une taille \u00e9meraude. Il s&rsquo;agit du plus gros diamant de laboratoire jamais examin\u00e9 par le GIA, selon Wuyi Wang, vice-pr\u00e9sident de la recherche et<\/p>\n","protected":false},"author":8,"featured_media":115599,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[4],"tags":[258],"class_list":["post-115597","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-diamante","style--link-1"],"acf":[],"_links":{"self":[{"href":"https:\/\/gioiellis.com\/fr\/wp-json\/wp\/v2\/posts\/115597","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gioiellis.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gioiellis.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gioiellis.com\/fr\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/gioiellis.com\/fr\/wp-json\/wp\/v2\/comments?post=115597"}],"version-history":[{"count":2,"href":"https:\/\/gioiellis.com\/fr\/wp-json\/wp\/v2\/posts\/115597\/revisions"}],"predecessor-version":[{"id":115600,"href":"https:\/\/gioiellis.com\/fr\/wp-json\/wp\/v2\/posts\/115597\/revisions\/115600"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/gioiellis.com\/fr\/wp-json\/wp\/v2\/media\/115599"}],"wp:attachment":[{"href":"https:\/\/gioiellis.com\/fr\/wp-json\/wp\/v2\/media?parent=115597"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gioiellis.com\/fr\/wp-json\/wp\/v2\/categories?post=115597"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gioiellis.com\/fr\/wp-json\/wp\/v2\/tags?post=115597"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}