{"product_id":"antique-art-deco-platinum-three-stone-ring-with-0-43ct-old-european-cut-diamond-baguette-accents-circa-1928-1941","title":"Antique Art Deco Platinum Three-Stone Ring with 0.43ct Old European Cut Diamond \u0026 Baguette Accents, circa 1928–1941","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThis sophisticated antique ring is a beautiful example of \u003cstrong\u003eAmerican Art Deco design\u003c\/strong\u003e, dating to approximately \u003cstrong\u003e1928–1941\u003c\/strong\u003e. Crafted in platinum and bearing the desirable \u003cstrong\u003e\"10% IRID PLAT.\"\u003c\/strong\u003e hallmark, it reflects the precision, elegance, and architectural styling that defined fine jewelry during the mature Art Deco period.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eAt its center sits a \u003cstrong\u003e0.43 carat natural Old European Cut diamond\u003c\/strong\u003e, prized for its high crown, smaller table, and broad antique facets that create a soft, romantic brilliance distinct from modern brilliant-cut diamonds. The center stone is framed by approximately \u003cstrong\u003e0.12 carats of natural accent diamonds\u003c\/strong\u003e, combining both \u003cstrong\u003eOld European Cut\u003c\/strong\u003e and \u003cstrong\u003ebaguette-cut diamonds\u003c\/strong\u003e in a classic Art Deco arrangement.\u003c\/p\u003e\n\u003cp\u003eThe baguette diamonds introduce the clean, linear geometry that became synonymous with the Art Deco movement, while the round Old European Cut diamonds provide contrast with their softer antique faceting. Together, they create a balanced composition that highlights both sparkle and architectural form.\u003c\/p\u003e\n\u003cp\u003eThe center diamond is held in a finely crafted open prong setting that allows light to enter from multiple angles. The shoulders feature carefully arranged round and baguette diamonds that taper gracefully into a slender platinum shank, giving the ring an elegant profile while maintaining everyday wearability.\u003c\/p\u003e\n\u003cp\u003eCrafted in platinum, the mounting exhibits the crisp detail and delicate metalwork that made platinum the preferred precious metal of high-quality Art Deco jewelry. The ring's understated proportions and timeless design make it equally suited as an antique engagement ring or an heirloom-quality addition to a vintage jewelry collection.\u003c\/p\u003e\n\u003ch3 class=\"PDq2pG_selectionAnchorContainer\"\u003eDetails\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEra:\u003c\/strong\u003e Art Deco\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDate:\u003c\/strong\u003e Circa 1928–1941\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetal:\u003c\/strong\u003e Platinum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHallmark:\u003c\/strong\u003e 10% IRID PLAT.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCenter Stone:\u003c\/strong\u003e Natural Diamond\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCenter Stone Weight:\u003c\/strong\u003e 0.43 ct\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCenter Stone Cut:\u003c\/strong\u003e Old European Cut\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccent Stones:\u003c\/strong\u003e Natural Diamonds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccent Diamond Weight:\u003c\/strong\u003e Approximately 0.12 ct total\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccent Diamond Cuts:\u003c\/strong\u003e Old European Cut \u0026amp; Baguette Cut\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate Total Diamond Weight:\u003c\/strong\u003e 0.55 ct\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSetting Style:\u003c\/strong\u003e Three-Stone with Baguette Accents\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCenter Setting:\u003c\/strong\u003e Open prong setting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShoulder Design:\u003c\/strong\u003e Round Old European Cut diamonds with baguette diamond accents\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank:\u003c\/strong\u003e Tapered platinum shank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStyle:\u003c\/strong\u003e Art Deco, Antique, Engagement Ring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Antique \/ Estate condition with age-appropriate wear\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"PDq2pG_selectionAnchorContainer\"\u003eCollector's Note\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e\"10% IRID PLAT.\"\u003c\/strong\u003e hallmark is one of the most desirable authentication features found on American platinum jewelry from the Art Deco era. Platinum-iridium alloys were widely used before World War II, making this stamp a strong indicator of pre-1941 manufacture.\u003c\/p\u003e\n\u003cp\u003eThe combination of \u003cstrong\u003eOld European Cut\u003c\/strong\u003e and \u003cstrong\u003ebaguette-cut diamonds\u003c\/strong\u003e is a hallmark of mature Art Deco design, pairing the warm brilliance of antique-cut diamonds with the crisp, geometric lines that defined the period. Together, these elements create a timeless engagement ring that beautifully represents one of the most celebrated eras in jewelry history.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDisclosure:\u003c\/strong\u003e The current \u003cstrong\u003e0.43 ct Old European Cut center diamond\u003c\/strong\u003e is a later replacement. While it is period-appropriate and complements the mounting beautifully, it is not believed to be the ring's original center stone. This does not diminish the authenticity of the Art Deco platinum mounting, but it is an important historical detail that needs to be disclosed for complete accuracy.\u003c\/p\u003e","brand":"May's Jewelers","offers":[{"title":"Default Title","offer_id":52484291232024,"sku":null,"price":4543.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0964\/4572\/7000\/files\/IMG_6912.jpg?v=1786060220","url":"https:\/\/maysjeweler.com\/products\/antique-art-deco-platinum-three-stone-ring-with-0-43ct-old-european-cut-diamond-baguette-accents-circa-1928-1941","provider":"May's Jewelers","version":"1.0","type":"link"}