{"product_id":"antique-art-deco-old-european-cut-diamond-ring-19k-gold","title":"Antique Art Deco Old European Cut Diamond Ring in 19K White Gold","description":"\u003cp\u003eA visually commanding transitional Early Art Deco diamond ring crafted in uncommon 19K white gold and set with approximately 2.0–2.15 carats total weight of Old European Cut diamonds throughout. The ring possesses a remarkable presence on the hand, balancing strong architectural structure with finely layered antique detail in a way that feels both sculptural and deeply refined.\u003c\/p\u003e\n\u003cp\u003eThe composition centers an approximately 1.10–1.25 carat Old European Cut diamond framed by two substantial side stones and surrounded by additional bead-set accent diamonds within an elongated illusion-head arrangement. Openwork detailing, hand engraving, and milgrain accents create depth and dimensionality throughout the mounting, allowing the ring to catch light from nearly every angle while maintaining a grounded and deliberate visual weight.\u003c\/p\u003e\n\u003cp\u003eAn unusual “19K” hallmark adds further distinction to the piece and contributes to its refined material presence. Rather than relying on excess ornamentation, the ring succeeds through proportion, structure, brilliance, and carefully layered craftsmanship.\u003c\/p\u003e\n\u003ch3\u003eAt A Glance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTransitional Early Art Deco diamond ring\u003c\/li\u003e\n\u003cli\u003eOld European Cut diamonds throughout\u003c\/li\u003e\n\u003cli\u003eApproximate 2.00–2.20 carats total weight\u003c\/li\u003e\n\u003cli\u003e19K white gold mounting\u003c\/li\u003e\n\u003cli\u003eIllusion-head construction\u003c\/li\u003e\n\u003cli\u003eOpenwork and engraved details\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetal:\u003c\/strong\u003e 19K White Gold\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHallmark: \u003c\/strong\u003eUnknown Hallmark\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEra:\u003c\/strong\u003e Late 1920s to Early 1930s\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Cuts:\u003c\/strong\u003e Old European Cut diamonds throughout\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEstimated Total Diamond Weight:\u003c\/strong\u003e Approximately 2.15–2.30 carats total weight\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEstimated Center Diamond Weight:\u003c\/strong\u003e Approximately 1.10–1.20 carats\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCenter Diamond Diameter:\u003c\/strong\u003e Approx. 6.51mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSide Diamond Diameter:\u003c\/strong\u003e Approx. 4.35mm each, approximately .30 to .40ct each\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccent Diamond Diameter:\u003c\/strong\u003e Approx. 1.89mm each\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSetting Type:\u003c\/strong\u003e Illusion-head construction with bead-set diamonds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e Hand-finished engraved mounting with openwork gallery\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRing Weight:\u003c\/strong\u003e 3.56 grams\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 5.75\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003ch4\u003eThe Stones\u003c\/h4\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe ring is set entirely with Old European Cut diamonds displaying the broader flashes, higher crowns, visible culets, and softer light return associated with antique hand-cut stones. The larger center stone is framed by two substantial side diamonds and additional bead-set accent diamonds, creating a lively and visually cohesive antique diamond composition throughout the mounting.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe diamonds display a bright white appearance with exceptional brilliance and visual presence when worn. The main diamonds contain visible antique character and inclusions consistent with hand-cut diamonds of the period. Several diamonds show minor edge abrasions and small chips visible under magnification, consistent with age and long-term wear, though none materially detracts from the ring’s overall beauty, brilliance, or impressive presence on the hand.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003eThe Setting\u003c\/h4\u003e\n\u003cp\u003eThe elongated illusion-head construction gives the ring much of its architectural presence, visually expanding the composition while creating depth and layered dimensionality throughout the mounting. Openwork beneath the stones allows light movement through the gallery while maintaining a grounded sculptural appearance.\u003c\/p\u003e\n\u003ch4\u003eThe Engraving\u003c\/h4\u003e\n\u003cp\u003eHand engraving remains visible throughout the shoulders and gallery, adding texture and refinement without interrupting the disciplined geometry of the overall composition. Milgrain detailing softens the transitions between stone and metal while reinforcing the ring’s transitional Deco character.\u003c\/p\u003e\n\u003ch4\u003eThe Construction\u003c\/h4\u003e\n\u003cp\u003eThis piece reflects the transitional period between late antique craftsmanship and emerging Art Deco structure, balancing refined hand-finished detail with increasingly geometric composition. The result is a ring with exceptional finger presence that remains elegant, architectural, and highly wearable.\u003c\/p\u003e\n\u003ch4\u003eThe Hallmark\u003c\/h4\u003e\n\u003cp\u003eAn unusual “19K” hallmark is present on the ring, indicating a higher-than-standard gold purity more commonly associated with select European and Portuguese jewelry. The hallmark contributes to the ring’s distinctive character and serves as an important indicator of material quality and possible origin.\u003c\/p\u003e\n\u003ch3\u003eCondition\u003c\/h3\u003e\n\u003cp\u003eGood to Very Good antique condition consistent with age and careful wear.\u003c\/p\u003e\n\u003cp\u003eThe mounting remains structurally sound, with engraving and openwork details remaining visible throughout the ring. Minor surface wear and age-appropriate signs of use are present under magnification, consistent with an authentic antique piece approaching a century in age.\u003c\/p\u003e\n\u003cp\u003eThe diamonds remain lively and visually impressive when worn, with no condition issues materially detracting from the ring’s overall brilliance, structure, or visual presence.\u003c\/p\u003e\n\u003ch3\u003ePhotography Note\u003c\/h3\u003e\n\u003cp\u003ePhotographed under soft-spectrum lighting and high magnification to preserve accurate color, texture, and period detail. Enlarged images are intended to reveal craftsmanship, antique character, and overall condition beyond what is typically visible at normal viewing distance.\u003c\/p\u003e","brand":"The TERA Collection","offers":[{"title":"Default Title","offer_id":52188688515383,"sku":null,"price":4695.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0986\/8889\/3239\/files\/White_Gold_Ring_Featuring_15_Diamonds.jpg?v=1779830202","url":"https:\/\/theteracollection.com\/products\/antique-art-deco-old-european-cut-diamond-ring-19k-gold","provider":"The TERA Collection","version":"1.0","type":"link"}