{"product_id":"auction-win-a09cb91e-7d68-4af3-b5a7-fc7d277b4b74","title":"Auction Win: ‘London Blue’ Topaz Gemstone 1.06ct","description":"\u003cp\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e 6.89 × 5.07 × 4.07 cm\u003c\/p\u003e\n\u003cp\u003eEstimated value: $75\u003cbr\u003e\u003cbr\u003eLondon Blue Topaz is a deep blue variety of the silicate mineral topaz, Al2(SiO4)(F,OH)2, with no confirmed historical discovery date or naming origin on the approved sites. While natural untreated blue topaz is typically pale, this vibrant shade is usually created for jewelry, making it a popular everyday gemstone for rings and necklaces. This gemstone is believed to be treated for color.\u003c\/p\u003e","brand":"Crystal Castle","offers":[{"title":"Default Title","offer_id":48920456003739,"sku":null,"price":37.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0336\/3012\/6217\/files\/b9b22fc3-561e-4651-85bb-53ec12e27884.jpg?v=1783299962","url":"https:\/\/www.overtonfamilyjewels.com\/products\/auction-win-a09cb91e-7d68-4af3-b5a7-fc7d277b4b74","provider":"OFJ's Crystal Castle","version":"1.0","type":"link"}