{"id":9740,"date":"2025-03-22T18:06:17","date_gmt":"2025-03-22T17:06:17","guid":{"rendered":"https:\/\/www.maison-riondet.fr\/en\/?p=9740"},"modified":"2025-03-22T18:06:45","modified_gmt":"2025-03-22T17:06:45","slug":"art-deco-ring-with-unheated-sapphire-of-17-99-carats-laboratory-certificate-and-diamonds","status":"publish","type":"post","link":"https:\/\/www.maison-riondet.fr\/en\/art-deco-ring-with-unheated-sapphire-of-17-99-carats-laboratory-certificate-and-diamonds\/","title":{"rendered":"Art Deco ring with unheated sapphire of 17.99 carats (laboratory certificate) and diamonds"},"content":{"rendered":"\n<p> Type of jewelry: Antique jewelry \/ Antique ring<br> Era: Circa 1920-1930<br> Metal: Platinum<br> Mascaron hallmark depicting the head of a bearded man, seen from the front, surrounded by a border. For platinum items imported from contracting countries. The beard is different. Paris and departments from 1913 (decree of December 5, 1912) to 1926.<br> Total weight (gross): 10.10 grams<br> Ring size: 53 (resizing possible)<br> Nature of stones: Natural unheated sapphire (approximately 17.99 carats, Carat Gem Lab laboratory certificate indicating the absence of thermal modification and originating from Sri Lanka, formerly Ceylon), baguette-cut and 8 x 8 diamonds<br> Condition: Very good condition<br> Price: On request<br> Reference: 03 024 1<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Type of jewelry: Antique jewelry \/ Antique ring Era: Circa 1920-1930 Metal: Platinum Mascaron hallmark depicting the head of a bearded man, seen from the front, surrounded by a border. For platinum items&#8230;<\/p>\n","protected":false},"author":4,"featured_media":9741,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[12,14,33,30,3],"tags":[],"class_list":["post-9740","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-art-deco","category-catalogue","category-diamond-jewelry","category-engagement-rings","category-rings"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.maison-riondet.fr\/en\/wp-json\/wp\/v2\/posts\/9740","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.maison-riondet.fr\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.maison-riondet.fr\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.maison-riondet.fr\/en\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.maison-riondet.fr\/en\/wp-json\/wp\/v2\/comments?post=9740"}],"version-history":[{"count":3,"href":"https:\/\/www.maison-riondet.fr\/en\/wp-json\/wp\/v2\/posts\/9740\/revisions"}],"predecessor-version":[{"id":9746,"href":"https:\/\/www.maison-riondet.fr\/en\/wp-json\/wp\/v2\/posts\/9740\/revisions\/9746"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.maison-riondet.fr\/en\/wp-json\/wp\/v2\/media\/9741"}],"wp:attachment":[{"href":"https:\/\/www.maison-riondet.fr\/en\/wp-json\/wp\/v2\/media?parent=9740"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.maison-riondet.fr\/en\/wp-json\/wp\/v2\/categories?post=9740"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.maison-riondet.fr\/en\/wp-json\/wp\/v2\/tags?post=9740"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}