{"product_id":"vintage-esemco-10k-yellow-gold-13ct-smokey-quartz-cocktail-ring-size-6","title":"Vintage ESEMCO 10K Yellow Gold 13ct+ Smokey Quartz Cocktail Ring - Size 6","description":"\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eA magnificent, mid-century statement cocktail ring crafted by the highly collectible American heritage maker \u003c\/span\u003e\u003cstrong style=\"font-size: 0.875rem;\"\u003eESEMCO\u003c\/strong\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e (Shiman Manufacturing Company, Newark, NJ). This piece features an incredible, massive honey-amber oval-cut citrine cradled in an organic, sculptural foliate setting.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cstrong\u003eItem Highlights \u0026amp; Verification:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eThe Hallmark:\u003c\/strong\u003e Clearly stamped \"10K\" alongside the historic \"ESEMCO\" maker's mark inside the shank.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eThe Gemstone:\u003c\/strong\u003e A colossal round quartz measuring an impressive \u003cstrong\u003e16.1mm\u003c\/strong\u003e (Estimated face presence of approximately 13.5-14.5ct). \u003cstrong\u003eVerified natural quartz\/citrine via Presidium Gem Tester II.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eThe Metal:\u003c\/strong\u003e Solid 10-karat yellow gold. \u003cstrong\u003eVerified 10K through-and-through via non-destructive XRF testing.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eTotal Weight:\u003c\/strong\u003e 7.77 grams (highly substantial gold weight for this era).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eRing Size:\u003c\/strong\u003e US Size 6\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eDesign Era:\u003c\/strong\u003e Circa 1960s–1970s Brutalist\/Foliate style, featuring thick, textured gold leaf prongs forming a beautiful open-basket gallery.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e\u003cbr\u003eExcellent vintage condition with light, honest wear consistent with age. The setting is structurally rock-solid, and all leaf prongs securely lock the massive stone in place. The citrine displays beautiful fire, clarity, and deep amber-gold tones under the light.\u003c\/div\u003e","brand":"800028","offers":[{"title":"Default Title","offer_id":49115042775259,"sku":"7185261126871","price":905.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0258\/9812\/3369\/files\/Untitleddesign-2026-08-11T110800.059.jpg?v=1786460933","url":"https:\/\/goodmansantiques.com\/products\/vintage-esemco-10k-yellow-gold-13ct-smokey-quartz-cocktail-ring-size-6","provider":"Goodman's Antiques \u0026 Estate Jewelry","version":"1.0","type":"link"}