{"id":19647,"date":"2023-04-03T15:57:17","date_gmt":"2023-04-03T13:57:17","guid":{"rendered":"https:\/\/ssef.ch\/?p=19647"},"modified":"2023-07-24T10:54:42","modified_gmt":"2023-07-24T08:54:42","slug":"facteurs-de-qualite-des-perles","status":"publish","type":"post","link":"https:\/\/www.ssef.ch\/fr\/facteurs-de-qualite-des-perles\/","title":{"rendered":"Facteurs de qualite\u0301 des perles"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"19647\" class=\"elementor elementor-19647\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-5de6727 elementor-section-boxed elementor-section-height-default elementor-section-height-default qodef-backgound-letter-holder-no qodef-elementor-content-no\" data-id=\"5de6727\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4cb3c62\" data-id=\"4cb3c62\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-329c1da elementor-widget elementor-widget-image\" data-id=\"329c1da\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1000\" height=\"417\" src=\"https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/Facteurs-de-qualite-des-perles-jpeg.webp\" class=\"attachment-large size-large wp-image-26186\" alt=\"\" srcset=\"https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/Facteurs-de-qualite-des-perles-jpeg.webp 1000w, https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/Facteurs-de-qualite-des-perles-300x125.webp 300w, https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/Facteurs-de-qualite-des-perles-768x320.webp 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ab86f0d elementor-widget elementor-widget-text-editor\" data-id=\"ab86f0d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Dimensions<\/strong>\u00a0:\u00a0une perle peut mesurer 20\u00a0mm voire plus. Les grandes perles de bonne qualit\u00e9 sont rares et ch\u00e8res.<\/p><p><strong>Poids<\/strong>\u00a0:\u00a0le poids d\u2019une perle est g\u00e9n\u00e9ralement indiqu\u00e9 en carat (ct).\u00a01\u00a0ct = 0,2\u00a0grammes (g). Remarque\u00a0: la plupart des perles de culture ne sont pas vendues en fonction de leur poids mais de leur taille (mm). Le poids des perles fines peut \u00e9galement \u00eatre indiqu\u00e9 en grains.\u00a01\u00a0grain\u00a0= 0,25\u00a0ct = 0,05\u00a0g.<\/p><p><strong>Forme<\/strong>\u00a0:\u00a0la r\u00e9gularit\u00e9 de la forme est un crit\u00e8re de qualit\u00e9 important. Les formes les plus importantes sont rondes, ovales, en forme de goutte, de bouton, de barillet et de forme baroque.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-450dd18 elementor-widget elementor-widget-image\" data-id=\"450dd18\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"960\" height=\"384\" src=\"https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/pearl-shapes-jpeg.webp\" class=\"attachment-large size-large wp-image-26346\" alt=\"\" srcset=\"https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/pearl-shapes-jpeg.webp 960w, https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/pearl-shapes-300x120.webp 300w, https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/pearl-shapes-768x307.webp 768w\" sizes=\"(max-width: 960px) 100vw, 960px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Une gamme de diff\u00e9rentes perles fines de diff\u00e9rentes formes. Photo : Michael Krzemnicki, SSEF.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fdd57e5 elementor-widget elementor-widget-text-editor\" data-id=\"fdd57e5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Couleur<\/strong> : la couleur primaire d\u2019une perle est souvent second\u00e9e par un effet iris\u00e9 (l\u2019\u00ab orient \u00bb de la perle). Les couleurs primaires habituelles pour les perles sont les suivantes : blanc, cr\u00e8me l\u00e9ger \u00e0 cr\u00e8me, jaune, orange, brun, noir, gris et ros\u00e9.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-12fcd81 elementor-widget elementor-widget-image\" data-id=\"12fcd81\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"861\" height=\"148\" src=\"https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/pearl-colour-jpeg.webp\" class=\"attachment-large size-large wp-image-26336\" alt=\"\" srcset=\"https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/pearl-colour-jpeg.webp 861w, https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/pearl-colour-300x52.webp 300w, https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/pearl-colour-768x132.webp 768w\" sizes=\"(max-width: 861px) 100vw, 861px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Exemples de diff\u00e9rentes couleurs primaires de perles de culture. Photos : SSEF.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-de08191 elementor-widget elementor-widget-text-editor\" data-id=\"de08191\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Orient<\/strong>\u00a0:\u00a0Il s\u2019agit des couleurs iris\u00e9es produites par les fines plaquettes d\u2019aragonite sur la surface d\u2019une perle. Avec leur disposition en couches r\u00e9guli\u00e8re, ces plaquettes cr\u00e9ent une interf\u00e9rence de couleurs qui d\u00e9termine l\u2019orient d\u2019une perle et donne des couleurs secondaires.<\/p><p>L\u2019orient peut donner une couleur de corps ros\u00e9, verte et d\u2019autres notes. Les perles avec une couleur primaire fonc\u00e9e montrent g\u00e9n\u00e9ralement mieux cet effet iris\u00e9 que les perles l\u00e9g\u00e8rement color\u00e9es.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-940db3b elementor-widget elementor-widget-image\" data-id=\"940db3b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"663\" src=\"https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/iridescence-jpeg.webp\" class=\"attachment-large size-large wp-image-26271\" alt=\"\" srcset=\"https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/iridescence-jpeg.webp 1000w, https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/iridescence-300x199.webp 300w, https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/iridescence-768x509.webp 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Une perle de culture de Tahiti avec un magnifique orient. Les teintes ros\u00e9es, violettes, vertes et bleues qui sont visibles ne sont pas des couleurs primaires mais sont dues \u00e0 la diffraction de la lumi\u00e8re sur les fines plaquettes d\u2019aragonite. Photo : Laurent Cartier, SSEF.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dd5db98 elementor-widget elementor-widget-text-editor\" data-id=\"dd5db98\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Lustre<\/strong>\u00a0:\u00a0les fines plaquettes d\u2019aragonite refl\u00e8tent et diffusent la lumi\u00e8re entrante, ce qui donne un \u00e9clat perl\u00e9 caract\u00e9ristique appel\u00e9 \u00ab\u00a0lustre\u00a0\u00bb. Plus le lustre est \u00e9clatant, plus la qualit\u00e9 d\u2019une perle est \u00e9lev\u00e9e. Le lustre d\u2019une perle peut souvent \u00eatre am\u00e9lior\u00e9 par une op\u00e9ration de polissage.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7e64f24 elementor-widget elementor-widget-image\" data-id=\"7e64f24\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"1000\" src=\"https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/pearl-lustre-jpeg.webp\" class=\"attachment-large size-large wp-image-26341\" alt=\"\" srcset=\"https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/pearl-lustre-jpeg.webp 1000w, https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/pearl-lustre-300x300.webp 300w, https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/pearl-lustre-150x150.webp 150w, https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/pearl-lustre-768x768.webp 768w, https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/pearl-lustre-650x650.webp 650w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Exemple de quatre perles naturelles exceptionnelles avec un joli lustre. Ces boucles d\u2019oreille d\u2019Etcetera pour Paspaley se composent de perles fines, de perles de culture et de diamants ; et Christie\u2019s les a vendues US$ 1,01 million en 2018. Photo : SSEF.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8b438aa elementor-widget elementor-widget-text-editor\" data-id=\"8b438aa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Surface\u00a0:\u00a0<\/strong>une perle de grande qualit\u00e9 pr\u00e9sente peu voire aucun d\u00e9faut d\u2019aspect. Les crit\u00e8res concernant l\u2019\u00e9tat de la surface portent sur l\u2019aspect lisse, la r\u00e9gularit\u00e9 de la surface et la pr\u00e9sence ou l\u2019absence de d\u00e9formations sur la surface.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-0d84e4f elementor-section-boxed elementor-section-height-default elementor-section-height-default qodef-backgound-letter-holder-no qodef-elementor-content-no\" data-id=\"0d84e4f\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-d2bbb99\" data-id=\"d2bbb99\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7bb8e47 elementor-widget elementor-widget-image\" data-id=\"7bb8e47\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"806\" src=\"https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/spotted-cultured-pearl-micronesia-jpeg.webp\" class=\"attachment-large size-large wp-image-26506\" alt=\"\" srcset=\"https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/spotted-cultured-pearl-micronesia-jpeg.webp 1000w, https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/spotted-cultured-pearl-micronesia-300x242.webp 300w, https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/spotted-cultured-pearl-micronesia-768x619.webp 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-1b9dd7d\" data-id=\"1b9dd7d\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-da82043 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"da82043\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"663\" src=\"https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/oval-clean-surface-tahiti-jpeg.webp\" class=\"attachment-large size-large wp-image-26326\" alt=\"\" srcset=\"https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/oval-clean-surface-tahiti-jpeg.webp 1000w, https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/oval-clean-surface-tahiti-300x199.webp 300w, https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/oval-clean-surface-tahiti-768x509.webp 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-39e9373 elementor-widget elementor-widget-text-editor\" data-id=\"39e9373\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Exemples de surfaces diff\u00e9rentes : une perle de culture avec des imperfections et une perle de culture ovale lisse provenant de Polyn\u00e9sie fran\u00e7aise. Photos : SSEF.<\/p><p>\u00a0<\/p><p><strong>Homog\u00e9n\u00e9it\u00e9 d\u2019un rang<\/strong> : si les perles sont assembl\u00e9es sur un collier sous forme de rang par exemple, l\u2019homog\u00e9n\u00e9it\u00e9 des perles (leur ressemblance et leur similitude au regard de la qualit\u00e9) sur ce rang constituera un facteur d\u00e9terminant en termes de qualit\u00e9 et d\u2019estimation de valeur de ce rang de perles.<\/p><p><strong>\u00c9paisseur de nacre<\/strong> : les perles de culture avec nucl\u00e9us constituent la norme pour les perles de culture Akoya, des mers du Sud et de Tahiti. L\u2019\u00e9paisseur de nacre peut \u00eatre un facteur de qualit\u00e9 d\u00e9terminant. Les perles de culture ci-dessous ont \u00e9t\u00e9 coup\u00e9es pour montrer la coupe transversale (nucl\u00e9us visible au centre). Afin d\u2019\u00e9viter de la couper, une perle peut \u00eatre expos\u00e9e aux rayons X pour en mesurer l\u2019\u00e9paisseur de nacre.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-90e103c elementor-widget elementor-widget-image\" data-id=\"90e103c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"861\" height=\"229\" src=\"https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/nacre-overgrowth-jpeg.webp\" class=\"attachment-large size-large wp-image-26296\" alt=\"\" srcset=\"https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/nacre-overgrowth-jpeg.webp 861w, https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/nacre-overgrowth-300x80.webp 300w, https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/nacre-overgrowth-768x204.webp 768w\" sizes=\"(max-width: 861px) 100vw, 861px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1b366c2 elementor-widget elementor-widget-text-editor\" data-id=\"1b366c2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tDiff\u00e9rentes \u00e9paisseurs de nacre sur des perles de culture de mer, de la plus grande \u00e0 la plus petite (de gauche \u00e0 droite). Photo : H.A. H\u00e4nni et SSEF.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-8d9d0ae elementor-section-boxed elementor-section-height-default elementor-section-height-default qodef-backgound-letter-holder-no qodef-elementor-content-no\" data-id=\"8d9d0ae\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-8561380\" data-id=\"8561380\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f6d525f elementor-widget elementor-widget-text-editor\" data-id=\"f6d525f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>Vous voulez en savoir plus sur les perles ?<\/h2>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2dd78ab elementor-widget elementor-widget-image\" data-id=\"2dd78ab\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"694\" src=\"https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/04\/cta-pearl-course.jpeg\" class=\"attachment-large size-large wp-image-33460\" alt=\"\" srcset=\"https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/04\/cta-pearl-course.jpeg 1024w, https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/04\/cta-pearl-course-300x203.webp 300w, https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/04\/cta-pearl-course-768x521.webp 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-624413c\" data-id=\"624413c\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-afa0d31 elementor-widget elementor-widget-text-editor\" data-id=\"afa0d31\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h4>Inscrivez-vous \u00e0 notre cours en ligne gratuit : Introduction aux perles<\/h4><p>Apprenez tout sur les perles. Leur histoire fascinante, comment elles se forment, d&rsquo;o\u00f9 elles viennent. D\u00e9couvrez les diff\u00e9rentes sources de perles fines et de culture, les traitements et les imitations. Prenez ce cours comme une introduction au monde merveilleux des perles.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a16c0ed elementor-widget elementor-widget-laurits_core_button\" data-id=\"a16c0ed\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"laurits_core_button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<a class=\"qodef-shortcode qodef-m qodef-button qodef-layout--filled qodef-html--link\" href=\"https:\/\/masterclass-fr.ssef.ch\/p\/perles\" target=\"_blank\"  >\n\t<span class=\"qodef-m-text\">S&#039;inscrire gratuitement<\/span>\n<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>D\u00e9couvrez les facteurs de qualit\u00e9 des perles : dimensions, poids, forme, couleur, orient, lustre, surface, homog\u00e9n\u00e9it\u00e9 d&rsquo;un rang, \u00e9paisseur de nacre<\/p>\n","protected":false},"author":3,"featured_media":26381,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[684],"tags":[],"library_category":[],"library_author":[],"class_list":["post-19647","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-recherches-fr"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - 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