{"product_id":"certified-5-16ct-colombian-emerald-and-diamond-gold-amp-platinum-ring-french-hallmarks","title":"Certified 5.16ct Colombian Emerald and Diamond Gold \u0026 Platinum Ring – French Hallmarks","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAn exceptional and substantial gold and platinum ring featuring a magnificent \u003c\/span\u003e\u003cspan\u003e5.16-carat natural Colombian emerald\u003c\/span\u003e\u003cspan\u003e, accompanied by a gemmological report from Bellerophon Gemlab, Paris.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe impressive octagonal-cut emerald displays a captivating \u003c\/span\u003e\u003cspan\u003evivid green colour\u003c\/span\u003e\u003cspan\u003e, with its Colombian origin confirmed by the laboratory. The report also states that the emerald may be described as \u003c\/span\u003e\u003cspan\u003e“Muzo Green”\u003c\/span\u003e\u003cspan\u003e in the trade.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe gemstone has undergone only a minor degree of oil treatment, an important characteristic for a fine Colombian emerald.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBeautifully mounted in a striking two-tone gold and platinum setting, the emerald is complemented by sparkling diamond-set shoulders. The ring features a bold architectural design, with elegant geometric lines and French hallmarks.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eGemstone Details\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eGemstone: Natural Colombian Emerald\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWeight: 5.160 carats (laboratory-estimated)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMeasurements: 11.45 × 10.18 × 6.39 mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eShape: Octagonal\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eColour: Vivid Green\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGeographic Origin: Colombia\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTreatment: Minor amount of oil\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eColour Stability: Stable\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFluorescence: None\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTrade Colour Description: Muzo Green\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eRing Details\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eMetal: Gold and platinum\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAdditional gemstones: Diamonds\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHallmarks: French\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTotal weight: Approximately 13.1 grams\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRing size: UK L\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eCertification\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eLaboratory: Bellerophon Gemlab, Paris\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eReport Number: A24329\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eReport Date: 20 October 2025\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003ePlease note:\u003c\/span\u003e\u003cspan\u003e The first photograph has been enhanced using AI for presentation purposes. Please refer to the original photographs for the most accurate representation of the emerald’s natural colour, inclusions and the ring’s condition. Additional photographs are available upon request.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe emerald weight is an estimate based on volume and density, as stated in the accompanying laboratory report.\u003c\/span\u003e\u003c\/p\u003e","brand":"prometeolondon","offers":[{"title":"Default Title","offer_id":50132229095579,"sku":null,"price":26000.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1276\/3437\/files\/9DE84AC1-27A9-4169-9EFE-EFE50B232C12.png?v=1794313154","url":"https:\/\/prometeolondon.com\/zh\/products\/certified-5-16ct-colombian-emerald-and-diamond-gold-amp-platinum-ring-french-hallmarks","provider":"prometeolondon","version":"1.0","type":"link"}