{"product_id":"platinum-4-prong-solitaire-mounting-8-5mm-round","title":"Platinum Round Solitaire 8.5mm Center Stone 4-Prong Die Struck","description":"\u003cp\u003e\u003cstrong\u003ePlatinum round solitaire mounting designed for an 8.5 mm center stone — approximately 2½ carats — set with four prongs.\u003c\/strong\u003e Die struck for superior metal density and durability, this mounting arrives highly polished and ready for stone setting and sizing. Crafted in platinum alloyed with 5% ruthenium for added hardness and wear resistance, it ships in standard USA ring size 6.\u003c\/p\u003e\n\n\u003cp\u003eMade in the USA by America's largest family-owned findings manufacturer using responsibly sourced platinum, this solitaire mounting delivers the refined finish and structural integrity professional jewelers demand.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDie struck construction for superior metal density and a crisp, refined profile\u003c\/li\u003e\n\u003cli\u003eHighly polished finish — ready for stone setting and sizing upon arrival\u003c\/li\u003e\n\u003cli\u003eFour-prong head designed to securely hold an 8.5 mm round center stone\u003c\/li\u003e\n\u003cli\u003ePlatinum–ruthenium alloy (Pt950\/Ru5) for enhanced hardness and long-term durability\u003c\/li\u003e\n\u003cli\u003eMade in the USA by America's largest family-owned findings manufacturer\u003c\/li\u003e\n\u003cli\u003eCrafted from responsibly sourced platinum\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMetal\u003c\/th\u003e\n\u003ctd\u003ePlatinum 950 (95% platinum, 5% ruthenium)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCenter Stone Size\u003c\/th\u003e\n\u003ctd\u003e8.5 mm round\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eApproximate Carat Weight\u003c\/th\u003e\n\u003ctd\u003e2½ ct (diamond weight equivalent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProng Count\u003c\/th\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRing Size\u003c\/th\u003e\n\u003ctd\u003e6 (standard USA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConstruction\u003c\/th\u003e\n\u003ctd\u003eDie struck\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eHigh polish\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOrigin\u003c\/th\u003e\n\u003ctd\u003eMade in the USA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAll carat weights are expressed in diamond weight equivalents.\u003c\/li\u003e\n\u003cli\u003eMounting is sold without a center stone — stone not included.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43461761630422,"sku":"95B-211","price":566.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/platinum-round-solitaire-8-5mm-center-stone-4-prong-die-struck-otto-frei.jpg?v=1719959212","url":"https:\/\/www.ottofrei.com\/products\/platinum-4-prong-solitaire-mounting-8-5mm-round","provider":"Otto Frei","version":"1.0","type":"link"}