{"product_id":"14kw-14kw-14ky-plat-18ky-platinum-marquise-solitaire-7-5x4-25mm-center-stone-6-prong-die-struck","title":"Gold \u0026 Platinum Marquise Solitaire Mounting 7.5x4.25mm Center Stone 6-Prong Die Struck","description":"\u003cp\u003eA classic solitaire mounting crafted for a 7.5 x 4.25 mm marquise center stone, this die-struck ring mounting delivers the refined quality and precision fit that professional jewelers demand. Made in the USA by America's largest family-owned findings manufacturer from responsibly sourced gold and platinum, each mounting arrives highly polished and ready for setting and sizing.\u003c\/p\u003e\n\u003cp\u003eThe six-prong head provides secure, elegant retention for the marquise shape, while the die-struck construction ensures consistent metal density and a smooth surface ideal for finishing work. 14K white gold versions use a nickel-based alloy and are rhodium plated. Platinum is alloyed as 95% platinum and 5% ruthenium. Available in three metal configurations to suit a range of client preferences and price points.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDie-struck construction for superior metal density and polish\u003c\/li\u003e\n\u003cli\u003eSix-prong head designed for marquise center stones\u003c\/li\u003e\n\u003cli\u003eHighly polished finish — ready for setting and sizing\u003c\/li\u003e\n\u003cli\u003e14K white gold versions rhodium plated with nickel-based alloy\u003c\/li\u003e\n\u003cli\u003ePlatinum alloyed at 95% platinum \/ 5% ruthenium\u003c\/li\u003e\n\u003cli\u003eMade in the USA from responsibly sourced precious metals\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eCenter Stone Size\u003c\/th\u003e\n\u003ctd\u003e7.5 x 4.25 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eApproximate Stone Weight\u003c\/th\u003e\n\u003ctd\u003e3\/8 ct (diamond weight)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNumber of Prongs\u003c\/th\u003e\n\u003ctd\u003e6\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\u003eRing Size\u003c\/th\u003e\n\u003ctd\u003e6 (standard USA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e14K White Gold Alloy\u003c\/th\u003e\n\u003ctd\u003eNickel-based, rhodium plated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePlatinum Alloy\u003c\/th\u003e\n\u003ctd\u003e95% platinum, 5% ruthenium\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\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eMetal Type\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e951-243\u003c\/td\u003e\n\u003ctd\u003e14K White Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e9501-243\u003c\/td\u003e\n\u003ctd\u003e14K White Gold Head \/ 14K Yellow Gold Shank\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e95B-243\u003c\/td\u003e\n\u003ctd\u003ePlatinum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"14K White","offer_id":47551341199574,"sku":"951-243","price":292.49,"currency_code":"USD","in_stock":true},{"title":"Platinum","offer_id":47813865275606,"sku":"95B-243","price":449.31,"currency_code":"USD","in_stock":true},{"title":"14K White Head\/14K Yellow Shank","offer_id":47813865308374,"sku":"9501-243","price":321.14,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/14kw-14kw14ky-and-platinum-marquise-solitaire-7-5x4-25mm-center-stone-6-prong-die-struck-otto-frei-1.jpg?v=1719958992","url":"https:\/\/www.ottofrei.com\/ja\/products\/14kw-14kw-14ky-plat-18ky-platinum-marquise-solitaire-7-5x4-25mm-center-stone-6-prong-die-struck","provider":"Otto Frei","version":"1.0","type":"link"}