{"id":5946,"date":"2019-07-16T16:55:02","date_gmt":"2019-07-16T14:55:02","guid":{"rendered":"https:\/\/www.cookson-clal.com\/le-blog\/?p=5946"},"modified":"2024-09-17T16:41:41","modified_gmt":"2024-09-17T14:41:41","slug":"tout-savoir-sur-le-diamant","status":"publish","type":"post","link":"https:\/\/www.cookson-clal.com\/le-blog\/tout-savoir-sur-le-diamant\/","title":{"rendered":"Dossier sp\u00e9cial : Le diamant"},"content":{"rendered":"<p><strong>Le diamant<\/strong> est consid\u00e9r\u00e9 comme la plus belle, la plus rare et la plus noble des gemmes. Son nom provient du grec \u00ab\u00a0<em>Adamas<\/em>\u00a0\u00bb qui signifie \u00ab\u00a0<em>invincible<\/em>\u00ab\u00a0; signification appuy\u00e9e par sa <strong>duret\u00e9 in\u00e9gal\u00e9e<\/strong> (140 fois plus dur que le saphir, 180 fois plus dur que l&rsquo;\u00e9meraude).<\/p>\n<p>Dans cet article, nous allons mettre en avant ses caract\u00e9ristiques, d\u00e9couvrir son syst\u00e8me de gradation (<strong>les 4 C<\/strong>) et parler du <strong>processus Kimberley<\/strong> qui garantie l&rsquo;origine de cette gemme.<\/p>\n<p><a href=\"https:\/\/www.cookson-clal.com\/Gemmes\/-Gamme=Diamants\/-Forme=0\/-Couleurs=0\/-Dimensions=0\/&amp;prdsearch=y\" target=\"_blank\" rel=\"noopener noreferrer\">&gt; Acheter des diamants.<\/a><\/p>\n<h2><span style=\"color: #ff9900;\">\u00c0 propos du diamant<\/span><\/h2>\n<p>Form\u00e9s entre 140 et 800 km de profondeur de la Terre, les diamants sont le fruit d&rsquo;une pression extr\u00eame et d&rsquo;une temp\u00e9rature de 1000 degr\u00e9s. Apr\u00e8s un processus de cristallisation de plusieurs millions d&rsquo;ann\u00e9es, le carbone se transforme en diamant.<\/p>\n<p>D\u00e9couverts en Inde il y a plus de 3 000 ans, les diamants servaient uniquement \u00e0 orner des objets religieux. Consid\u00e9r\u00e9 comme un \u00e9lixir de long\u00e9vit\u00e9 dans ce pays, on lui a longtemps attribu\u00e9 des pouvoirs divins et propri\u00e9t\u00e9s m\u00e9dicinales.<\/p>\n<p>C&rsquo;est \u00e0 partir du XVe si\u00e8cle que le diamant commence \u00e0 \u00eatre port\u00e9 par les femmes, symbolisant l&rsquo;amour.<\/p>\n<div id=\"attachment_5961\" style=\"width: 310px\" class=\"wp-caption alignright\"><a href=\"https:\/\/www.cookson-clal.com\/le-blog\/wp-content\/uploads\/2018\/07\/differentes-tailles-pierres-precieuses.png\" data-rel=\"lightbox-image-0\" data-rl_title=\"\" data-rl_caption=\"\" title=\"\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-5961\" class=\"wp-image-5961 size-medium\" src=\"https:\/\/www.cookson-clal.com\/le-blog\/wp-content\/uploads\/2018\/07\/differentes-tailles-pierres-precieuses-300x300.png\" alt=\"tailles de diamant\" width=\"300\" height=\"300\" srcset=\"https:\/\/www.cookson-clal.com\/le-blog\/wp-content\/uploads\/2018\/07\/differentes-tailles-pierres-precieuses-150x150@2x.png 300w, https:\/\/www.cookson-clal.com\/le-blog\/wp-content\/uploads\/2018\/07\/differentes-tailles-pierres-precieuses-150x150.png 150w, https:\/\/www.cookson-clal.com\/le-blog\/wp-content\/uploads\/2018\/07\/differentes-tailles-pierres-precieuses.png 1000w, https:\/\/www.cookson-clal.com\/le-blog\/wp-content\/uploads\/2018\/07\/differentes-tailles-pierres-precieuses-300x300@2x.png 600w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-5961\" class=\"wp-caption-text\">Cliquez pour agrandir<\/p><\/div>\n<h2><span style=\"color: #ff9900;\">Les diff\u00e9rentes tailles du diamant<\/span><\/h2>\n<p>Afin de r\u00e9v\u00e9ler l&rsquo;\u00e9clat du diamant, le diamantaire intervient \u00e0 la main lors d&rsquo;un processus de taille pr\u00e9cis et lent. Ce savoir-faire permet de transformer un diamant brut en pierre taill\u00e9e de qualit\u00e9, en lui ajoutant de valeur.<\/p>\n<p>Il existe plus de 350 tailles de diamant, dont la plus r\u00e9pandue est la taille brillant \u00e0 57 facettes.<\/p>\n<p>Les plus connues sont les tailles marquise, coussin, princesse, poire, \u00e9meraude, ovale, baguette et c\u0153ur, illustr\u00e9es ci-contre :<\/p>\n<h2><span style=\"color: #ff9900;\">La valeur du diamant avec les 4C<\/span><\/h2>\n<p>Les 4 C sont un syst\u00e8me de gradation des diamants. Mondialement reconnu, ce syst\u00e8me permet de d\u00e9terminer la valeur mon\u00e9taire d&rsquo;un diamant en fonction de quatre crit\u00e8res :<\/p>\n<ul>\n<li><strong>Cut<\/strong> (Taille) : Crit\u00e8re qui d\u00e9pend de la qualit\u00e9 du travail du diamantaire.<\/li>\n<li><strong>Carat<\/strong> (Poids) : En joaillerie, un carat \u00e9quivaut \u00e0 un poids de\u00a0<strong>0,2 grammes.<\/strong><\/li>\n<li><strong>Clarity<\/strong> (Puret\u00e9) : Tous les diamants comportent des inclusions naturelles. Ces d\u00e9tails d\u00e9terminent la carte d&rsquo;identit\u00e9 du diamant.<\/li>\n<li><strong>Color<\/strong> (Couleur) : Les diamants blancs sont extr\u00eamement rares \u00e0 l&rsquo;\u00e9tat naturel. Ils sont g\u00e9n\u00e9ralement l\u00e9g\u00e8rement jaun\u00e2tres.<\/li>\n<\/ul>\n<p>Chaque diamant \u00e9tant unique, il existe plus de 16 000 combinaisons entre les 4 C.<\/p>\n<h2><span style=\"color: #ff9900;\">Le processus de Kimberley<\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-thumbnail wp-image-5980 alignright\" src=\"https:\/\/www.cookson-clal.com\/le-blog\/wp-content\/uploads\/2018\/07\/Kimberley-Process-logo-150x150.jpg\" alt=\"\" width=\"150\" height=\"150\" srcset=\"https:\/\/www.cookson-clal.com\/le-blog\/wp-content\/uploads\/2018\/07\/Kimberley-Process-logo-150x150.jpg 150w, https:\/\/www.cookson-clal.com\/le-blog\/wp-content\/uploads\/2018\/07\/Kimberley-Process-logo-150x150@2x.jpg 300w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/><\/p>\n<p>Le processus Kimberley a \u00e9t\u00e9 mis en place en 2003, afin de s&rsquo;assurer que les diamants sur le march\u00e9 ne proviennent pas de zones de conflits.<\/p>\n<p>Aujourd&rsquo;hui 82 gouvernements ont valid\u00e9 ce processus, permettant d&rsquo;assurer que 99,8% des diamants proviennent de zones hors conflits.<\/p>\n<p>Avec le processus Kimberley, la transparence et la responsabilit\u00e9 de la fili\u00e8re du diamant ne cessent de s&rsquo;am\u00e9liorer.<\/p>\n<p>Pour en savoir plus, consultez le site\u00a0<a href=\"https:\/\/www.kimberleyprocess.com\/\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>www.kimberleyprocess.com\u00a0<\/strong><\/a><\/p>\n<hr \/>\n<p>\u00c0 lire \u00e9galement : <span style=\"color: #333399;\"><a style=\"color: #333399;\" href=\"https:\/\/www.cookson-clal.com\/le-blog\/comment-identifier-un-faux-diamant\/\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>Comment identifier un faux diamant ?<\/strong><\/a><\/span><\/p>\n<p><span style=\"color: #999999;\"><em>Cr\u00e9dit photo : <a style=\"color: #999999;\" href=\"https:\/\/www.pexels.com\/photo\/diamond-68740\/\" target=\"_blank\" rel=\"noopener noreferrer\">Pexels<\/a><\/em><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le diamant est consid\u00e9r\u00e9 comme la plus belle, la plus rare et la plus noble des gemmes. Son nom provient du grec \u00ab\u00a0Adamas\u00a0\u00bb qui signifie \u00ab\u00a0invincible\u00ab\u00a0; signification appuy\u00e9e par sa&#8230;<\/p>\n","protected":false},"author":7,"featured_media":5950,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[262],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\r\n<title>Dossier sp\u00e9cial : Le diamant | L&#039;atelier - Le blog des cr\u00e9ateurs de bijoux Cookson CLAL<\/title>\r\n<meta name=\"description\" content=\"Le diamant est consid\u00e9r\u00e9 comme la plus belle, la plus rare et la plus noble des gemmes. 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