{"id":378245,"date":"2026-07-10T16:02:28","date_gmt":"2026-07-10T16:02:28","guid":{"rendered":"https:\/\/veritas.art\/lot\/a-topaz-and-diamond-ring-621435804\/"},"modified":"2026-07-10T16:02:28","modified_gmt":"2026-07-10T16:02:28","slug":"a-topaz-and-diamond-ring-621435804","status":"publish","type":"lot","link":"https:\/\/veritas.art\/en\/lot\/a-topaz-and-diamond-ring-621435804\/","title":{"rendered":"[Auction 162] Lot 651 &#8211; A topaz and diamond ring"},"content":{"rendered":".800 gold ring\r\nSet with a topaz and 28 brilliant-cut diamonds weighing approximately 0.30 ct.\r\nPorto hallmark (1985-2020), goldsmith&#8217;s mark of Manuel Ant\u00f3nio da Costa Santos &#038; Filhos Ld\u00aa-ARTEJOIA (reg. 1966)","protected":false},"featured_media":379348,"template":"","categories":[39],"class_list":["post-378245","lot","type-lot","status-publish","has-post-thumbnail","hentry","category-joias"],"acf":{"auction_number":"162","number":"651","ref":"651","letter":"0","hammer_value":"0","show_hammer_value":true,"estimation_min":"1600","estimation_max":"2200","price_on_request":false,"author":false,"auction":{"ID":376760,"post_author":"5529","post_date":"2026-06-18 16:06:54","post_date_gmt":"2026-06-18 16:06:54","post_content":"","post_title":"162 - Antiques & Works of Art, Silver & Jewellery","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"162-antiques-works-of-art-silver-jewellery","to_ping":"","pinged":"","post_modified":"2026-07-17 17:09:36","post_modified_gmt":"2026-07-17 17:09:36","post_content_filtered":"","post_parent":0,"guid":"https:\/\/veritas.art\/?post_type=auction&#038;p=376760","menu_order":0,"post_type":"auction","post_mime_type":"","comment_count":"0","filter":"raw"},"name":"A topaz and diamond ring","dimensions":"Med.: 16 (EU)<br>13,7 g","description":".800 gold ring<br \/>\r\nSet with a topaz and 28 brilliant-cut diamonds weighing approximately 0.30 ct.<br \/>\r\nPorto hallmark (1985-2020), goldsmith's mark of Manuel Ant\u00f3nio da Costa Santos & Filhos Ld\u00aa-ARTEJOIA (reg. 1966)","additional_info":[{"title":"Additional Information","text":"<br \/>\r\n<br \/>\r\nProvenance:<br \/>\r\n<br \/>\r\n<br \/>\r\nExhibitions:<br \/>\r\n<br \/>\r\n<br \/>\r\nLiterature:<br \/>\r\nVIDAL, Manuel Gon\u00e7alves; ALMEIDA, Fernando Moitinho de - \"Marcas de Contrastes e Ourives Portugueses (1887 a 1993)\", vol. II. 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