{"product_id":"antique-18ct-yellow-gold-diamond-and-sapphire-crossover-gemstones-ring","title":"Antique 18ct Yellow Gold Sapphire \u0026 Old Cut Diamond Crossover Ring - UK M","description":"\u003cp\u003e\u003cstrong\u003eA beautiful and distinctive antique sapphire and diamond crossover ring, crafted in solid 18ct yellow gold with contrasting platinum gemstone settings. Dating to approximately the 1920s–1940s, this is a particularly charming example of traditional fine jewellery, combining a richly coloured natural blue sapphire with sparkling original old-cut diamonds and elegant period craftsmanship.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAt the centre sits a stunning natural sapphire, weighing approximately 0.50 carats and displaying a wonderfully rich, deep blue hue. The gemstone is particularly well cut, with excellent proportions that beautifully showcase its natural colour and brilliance. This is a genuine natural sapphire rather than a synthetic stone, adding to the quality and appeal of the piece.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe central sapphire is beautifully framed within a traditional rub-over bezel setting, finished with delicate milgrain edging. This finely textured decorative border adds an elegant vintage character to the design, while securely protecting the gemstone within its setting.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eComplementing the sapphire are original natural old-cut diamonds, individually mounted within contrasting platinum rub-over settings. These charming antique diamonds retain the distinctive faceting and individual character associated with traditional diamond cutting, producing beautiful flashes of sparkle against the warm yellow gold.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe gemstones are arranged within an attractive crossover design, with the gold shoulders flowing elegantly around the settings to create a beautifully balanced composition. The combination of yellow gold and platinum is particularly characteristic of fine jewellery from the early 20th century, offering a wonderful contrast between the rich gold shank and bright white diamond settings.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCrafted in solid 18ct yellow gold, the ring is marked 18ct to the shank, with its precious metal content additionally confirmed through professional XRF testing.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeighing approximately 3.4 grams and measuring a UK ring size M, this is a beautifully proportioned antique ring, offering excellent gemstone presence while retaining a comfortable and elegant feel when worn.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA wonderful original period piece, combining the captivating colour of natural sapphire, the individual charm of antique old-cut diamonds and the timeless appeal of traditional precious metal craftsmanship.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eKey Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePeriod:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Antique \/ Early 20th Century\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eEstimated Date:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Circa 1920s–1940s\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eMetal:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Solid 18ct Yellow Gold with Platinum Diamond Settings\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eMetal Markings:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Marked 18ct to Shank\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eMetal Testing:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Professionally XRF Tested as 18ct Gold\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eMain Gemstone:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Natural Blue Sapphire\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eSapphire Weight:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Approx. 0.50ct\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eSapphire Colour:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Deep Blue\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eSapphire Origin:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Natural, Not Synthetic\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eAdditional Gemstones:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Natural Diamonds\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eDiamond Cut:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Original Old Cut\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eDiamond Settings:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Platinum Rub-Over Bezels\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eSapphire Setting:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Milgrain-Edged Rub-Over Bezel\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eDesign:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Crossover \/ Twist Style\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eRing Size:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e UK M\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eTotal Weight:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 3.4 Grams\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eStyle:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Antique Sapphire \u0026amp; Diamond Crossover Dress Ring\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eDesign Details\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDesign:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e An elegant antique crossover ring featuring a richly coloured central natural sapphire, complemented by original old-cut diamonds within beautifully contrasting precious metal settings\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCentral Sapphire:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e A beautiful natural sapphire weighing approximately 0.50 carats, displaying a rich, deep blue hue with excellent cutting and attractive natural brilliance\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSapphire Quality:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e A particularly well-cut natural gemstone with lovely proportions and beautiful depth of colour, confirmed as natural rather than synthetic\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSapphire Setting:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Traditional rub-over bezel setting featuring delicate milgrain detailing, providing a secure and beautifully decorative surround for the central gemstone\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDiamonds:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Original natural old-cut diamonds, retaining the distinctive faceting and individual character associated with antique diamond jewellery\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDiamond Settings:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Individually crafted platinum rub-over bezels, beautifully framing the old-cut diamonds while providing an elegant contrast against the yellow gold\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCrossover Detail:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Gracefully flowing yellow gold shoulders that curve around the gemstone settings, creating an attractive twist-style arrangement with beautifully balanced proportions\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eConstruction:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Quality original 18ct yellow gold construction, combining traditional craftsmanship with contrasting platinum diamond settings\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eFinish:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Warm yellow gold complemented by bright platinum settings, enhancing the contrast between the rich blue sapphire and sparkling natural diamonds\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eOverall Appearance:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e A wonderfully charming antique ring, combining beautiful natural gemstone colour, original old-cut diamonds and elegant early 20th-century styling\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eAntique Craftsmanship \u0026amp; Period\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePeriod:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Early 20th Century\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eEstimated Date:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Circa 1920s–1940s\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eConstruction:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Original Period Ring\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMetal:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Solid 18ct Yellow Gold\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDiamond Settings:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Platinum Rub-Over Bezels\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eOriginal Gemstones:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Natural Sapphire \u0026amp; Old-Cut Diamonds\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis beautiful ring is believed to date to approximately the 1920s–1940s, a period celebrated for its distinctive jewellery designs and traditional craftsmanship.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe combination of 18ct yellow gold and platinum is a particularly attractive feature, reflecting the popularity of contrasting precious metals in fine jewellery during the early 20th century.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe original old-cut diamonds are equally noteworthy, retaining the individual faceting and beautiful flashes of brilliance that distinguish antique diamonds from their modern counterparts.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe traditional rub-over settings and delicate milgrain detailing further enhance the ring's period character, creating a beautifully refined design that has remained timeless.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA lovely example of original period jewellery, with the quality and individuality associated with traditional handcrafted gemstone settings.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eConstruction \u0026amp; Hallmarks\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eConstruction:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Original 18ct yellow gold sapphire and diamond crossover ring\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eShank:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Solid 18ct yellow gold, featuring elegantly curved crossover shoulders\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMetal Markings:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Stamped 18ct to the shank\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMetal Verification:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Professionally XRF tested to confirm the solid 18ct gold construction\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDiamond Settings:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Contrasting platinum rub-over bezels, individually framing the original natural old-cut diamonds\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSapphire Setting:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Traditional milgrain-edged rub-over bezel, securely holding the central natural sapphire\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eRing Size:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e UK M\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eTotal Weight:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Approximately 3.4 grams\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe combination of traditional gemstone settings and flowing crossover shoulders creates a beautifully balanced design, offering excellent gemstone presence while retaining the delicate character of an original antique piece.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eCondition\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003ePresented in lovely overall antique condition, retaining its attractive original design and beautifully contrasting precious metal settings.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe central natural sapphire displays a rich, deep blue colour, with its excellent cutting and proportions creating a particularly attractive focal point.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe original old-cut diamonds retain their individual antique character, displaying beautiful sparkle within their platinum rub-over settings.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe central sapphire is securely held within its traditional milgrain-edged bezel, with the decorative detailing adding to the ring's overall charm.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe solid 18ct yellow gold shank retains its attractive crossover design, with the original 18ct marking present and the gold content professionally verified through XRF testing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA beautiful original sapphire and diamond crossover ring, combining the rich colour of a natural blue sapphire, charming old-cut diamonds and traditional 18ct gold and platinum craftsmanship.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA wonderful addition to any antique jewellery collection, offering timeless elegance and the distinctive character of early 20th-century fine jewellery.\u003c\/span\u003e\u003c\/p\u003e","brand":"Dobson Fine Jewellery","offers":[{"title":"Default Title","offer_id":58758091014518,"sku":null,"price":750.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0765\/2556\/8308\/files\/Nov-26-Rings-029.jpg?v=1793983638","url":"https:\/\/dobsonfinejewellery.co.uk\/products\/antique-18ct-yellow-gold-diamond-and-sapphire-crossover-gemstones-ring","provider":"Dobson Fine Jewellery","version":"1.0","type":"link"}