{"product_id":"bezel-set-old-mine-cut-diamond-art-deco-platinum-and-yellow-gold-bar-pin","title":"Antique J.E. Caldwell \u0026 Co. Old Mine Cut Diamond Platinum and Gold Bar Pin","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eThis bar pin exemplifies the refined elegance that defined J.E. Caldwell \u0026amp; Co.'s Art Deco output. The brooch showcases a striking bezel-set Old Mine Cut diamond at its center, flanked by complementary accent stones that create a harmonious linear composition—a hallmark of the period's geometric sensibility. The interplay of platinum and yellow gold demonstrates the jeweler's mastery of mixed metals, a technique that added depth and visual interest to Art Deco designs. The careful placement of Old Mine Cut diamonds throughout the piece reflects the meticulous attention to proportion and balance that distinguished J.E. Caldwell \u0026amp; Co.'s work during this golden age of American jewelry design. This brooch represents not merely an accessory but a testament to the house's legacy of creating enduring pieces that merge artistic vision with technical excellence.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003eEnhance this beautiful piece by transforming it into a versatile accessory with our skilled master metalsmiths. At Market Square Jewelers, we offer the option to convert this stunning brooch into a necklace or pendant for an additional fee. Contact us for further details.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eMetal: Platinum, 14K Yellow Gold\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eGem: Old Mine Cut Diamond .35 Carats, H in Color, VS1 in Clarity\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eGem Measurements: 4.0 mm, Round\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eAccents: 2 Diamonds totaling 1.00 Carats, H-I in Color, I in Clarity, 4 Old Mine Cut Diamonds totaling .30 Carats, G-H in Color, SI in Clarity\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eMeasurements: 7 x 83 mm\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eMarks: \"14B\" Stamped on the reverse\u003c\/span\u003e\u003c\/p\u003e","brand":"Market Square Jewelers","offers":[{"title":"Default Title","offer_id":42476177293406,"sku":"A81054","price":6715.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1401\/8791\/files\/9054-113.jpg?v=1783371763","url":"https:\/\/www.marketsquarejewelers.com\/es\/products\/bezel-set-old-mine-cut-diamond-art-deco-platinum-and-yellow-gold-bar-pin","provider":"Market Square Jewelers","version":"1.0","type":"link"}