{"product_id":"vintage-otsby-barton-10k-gold-purple-glass-ring","title":"Vintage Otsby \u0026 Barton 10k Gold Purple Glass Ring","description":"\u003cdiv\u003eA beautiful vintage ring by Ostby \u0026amp; Barton, crafted in 10K yellow gold and set with a rich purple faceted glass stone. The rectangular center stone has clipped corners and broad geometric facets, showing shades from deep plum to brighter violet as it catches the light.\u003c\/div\u003e\u003cdiv\u003eThe setting has wonderful period character, with softly sculpted floral and foliate details surrounding the stone and continuing onto the shoulders. The decorative goldwork gives the ring a romantic appearance while the strong rectangular center keeps the design beautifully balanced.\u003c\/div\u003e\u003cdiv\u003eThe interior of the band is marked O.B. 10K for Ostby \u0026amp; Barton.\u003c\/div\u003e\u003cdiv\u003eOstby \u0026amp; Barton was an American jewelry manufacturer founded in Providence, Rhode Island, in the late 19th century. The company became a prolific manufacturer of gold rings and other jewelry, and its pieces are still recognized by collectors by the distinctive O.B. maker's mark.\u003c\/div\u003e\u003cdiv\u003eThe company also has an extraordinary connection to the Titanic. Engelhart Ostby was a passenger aboard the ship with his daughter Helene while returning from a trip to Europe in 1912. Helene survived the sinking, while her father tragically did not. Ostby \u0026amp; Barton continued producing jewelry after his death, leaving behind a fascinating chapter in American jewelry history.\u003c\/div\u003e\u003cdiv\u003eSizing is available for an additional cost. Please contact us for sizing details.\u003c\/div\u003e\u003cdiv\u003eDETAILS\u003c\/div\u003e\u003cdiv\u003eMetal: 10K yellow gold\u003c\/div\u003e\u003cdiv\u003eStone: Purple Glass\u003c\/div\u003e\u003cdiv\u003eStone weight: 4.0ct\u003c\/div\u003e\u003cdiv\u003eRing size: 5\u003c\/div\u003e\u003cdiv\u003eWeight: 1.70g\u003c\/div\u003e\u003cdiv\u003eMeasurements from the top of ring: Approx.\u003c\/div\u003e\u003cdiv\u003eBase shank width: 1.86mm\u003c\/div\u003e\u003cdiv\u003eHeight off finger: 4.12mm\u003c\/div\u003e\u003cdiv\u003eEra: Vintage, circa 1930s–1950s\u003c\/div\u003e\u003cdiv\u003eCondition: Excellent vintage condition with light surface wear consistent with age.\u003c\/div\u003e\u003cdiv\u003eSustainable Elegance\u003c\/div\u003e\u003cdiv\u003eEvery Gilded Roach piece is carefully sourced for its quality and character. Choosing antique jewelry is a beautiful way to celebrate craftsmanship while supporting a more sustainable future—no new mining required.\u003c\/div\u003e\u003cdiv\u003eR10KYGLA081326V001\u003c\/div\u003e","brand":"Gilded Roach","offers":[{"title":"Default Title","offer_id":48771746332862,"sku":"R10KYGLA081326V001","price":395.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0684\/1971\/5262\/files\/PXL_20260820_005515589_4059925.jpg?v=1787315641","url":"https:\/\/gildedroach.com\/products\/vintage-otsby-barton-10k-gold-purple-glass-ring","provider":"Gilded Roach LLC","version":"1.0","type":"link"}