{"product_id":"antique-guilloche-enamel-and-diamond-necklace-of-14k-gold","title":"Antique Guilloche Enamel and Diamond Necklace of 14k Gold","description":"\u003cdiv\u003eAn exceptional antique locket necklace dating to circa 1910, featuring rich blue guilloché enamel framed by delicate white enamel borders, accented by a luminous pearl surround and centered with a sparkling diamond. Beneath the translucent enamel, the intricate guilloché engine-turning creates remarkable depth and light play, exemplifying the finest turn-of-the-century craftsmanship.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eCrafted in 14 karat gold, the piece bears the maker’s mark for Wordley, Allsop \u0026amp; Bliss, a respected American jewelry firm based in Newark, New Jersey.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eThe pendant measures 2.4 inches long by 0.9 inches wide and is suspended from a 16-inch chain. With a total weight of 13.70 grams, it has an elegant yet substantial presence when worn. The necklace remains in excellent antique condition, with the enamel beautifully preserved and the details crisp throughout.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eGemstone identification has been confirmed through Raman spectroscopy, a non-destructive analytical technique that provides a precise chemical fingerprint for authentication. Metal composition has been professionally verified using XRF (X-ray fluorescence) analysis together with traditional jeweler’s acid testing, confirming solid 14K gold construction.\u003cbr\u003e\u003cbr\u003eWatch the video \u003ca href=\"https:\/\/www.youtube.com\/shorts\/ZV98G4-HbvE\" target=\"_blank\" title=\"Antique Guilloche Enamel and Diamond Locket Necklace\" rel=\"noopener\"\u003eHERE\u003c\/a\u003e\n\u003c\/div\u003e","brand":"Trademark Antiques","offers":[{"title":"Default Title","offer_id":43990138519617,"sku":"L510","price":4985.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0445\/7909\/files\/antique-guilloche-enamel-and-diamond-necklace-of-14k-gold-2935145.jpg?v=1779951377","url":"https:\/\/trademarkantiques.com\/products\/antique-guilloche-enamel-and-diamond-necklace-of-14k-gold","provider":"Trademark Antiques","version":"1.0","type":"link"}