{"product_id":"antique-18k-gold-platinum-australian-opal-rose-cut-diamond-halo-ring","title":"Antique Victorian 18k Gold \u0026 Platinum Halo Ring — 1.5ct Australian Opal \u0026 Diamonds | Circa 1890","description":"\u003cp\u003eAn antique halo ring from circa 1890 in 18k gold and platinum, centered on an Australian opal of approximately 1.5 carats — a stone alive with fire. Red, green, yellow, blue, violet, orange: the play of color moves across the surface of the opal with every turn of the hand, never showing the same face twice.\u003c\/p\u003e\n\u003cp\u003eAustralian opals are the benchmark of the species — the source of the finest and most vivid play of color found anywhere in the world. A stone displaying this full spectrum of fire.\u003c\/p\u003e\n\u003cp\u003eThe opal is surrounded by a halo of 20 rose-cut diamonds of approximately 0.40 carats total weight. The reverse of the setting is finely worked.\u003c\/p\u003e\n\u003ch4\u003eDetails\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePeriod:\u003c\/strong\u003e Antique victorian, circa 1890\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetal:\u003c\/strong\u003e 18k gold and platinum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCentral stone:\u003c\/strong\u003e Australian opal, approx. 1.5ct — multicolor play of fire\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccent stones:\u003c\/strong\u003e 20 rose-cut diamonds, approx. 0.40ct total\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlateau dimensions:\u003c\/strong\u003e 17 x 14 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal weight:\u003c\/strong\u003e 4.2 g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 60 FR — 9.25 US — S UK\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHallmarks:\u003c\/strong\u003e Mascaron (platinum) and owl mark (18k gold)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Very good. Minor gold repairs consistent with age.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Antique Jewelry Finds","offers":[{"title":"Default Title","offer_id":58921558868300,"sku":"RI-1085","price":1650.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1015\/8633\/8124\/files\/eff91c11-b818-4c51-b073-aa1d5751921c.png?v=1790170415","url":"https:\/\/antiquejewelryfinds.com\/products\/antique-18k-gold-platinum-australian-opal-rose-cut-diamond-halo-ring","provider":"Antique Jewelry Finds","version":"1.0","type":"link"}