{"product_id":"14kw-14kw-14ky-platinum-18ky-platinum-round-solitaire-4-5mm-center-stone-6-prong-die-struck","title":"Gold \u0026 Platinum Round Solitaire 4.5mm Center Stone 6-Prong Die-Struck Mounting","description":"\u003cp\u003eA precision-crafted 6-prong round solitaire mounting built for professional jewelers who demand consistency, quality, and a finished look straight from the bench. Designed to accommodate a \u003cstrong\u003e4.5 mm center stone (approximately 3\/8 carat)\u003c\/strong\u003e, this die-struck mounting arrives highly polished and ready for setting and sizing — saving valuable bench time.\u003c\/p\u003e\u003cp\u003eMade in the USA by America's largest family-owned findings manufacturer using responsibly sourced precious metals, these mountings are available in three metal configurations to suit a range of client preferences and price points. The standard ring size range of 6 to 6-1\/4 makes them ideal for the most common sizing requests.\u003c\/p\u003e\u003cp\u003e14K White Gold uses a nickel-based alloy and is rhodium plated for a bright, white finish. The two-tone option pairs a 14K White head with a 14K Yellow shank for a classic contrast look. Platinum is alloyed at 95% platinum and 5% ruthenium for durability and purity.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e6-prong round solitaire setting\u003c\/li\u003e\n\u003cli\u003eDesigned for 4.5 mm center stone (approximately 3\/8 carat, in diamond weights)\u003c\/li\u003e\n\u003cli\u003eDie-struck construction for superior metal density and durability\u003c\/li\u003e\n\u003cli\u003eHighly polished finish — ready for setting and sizing\u003c\/li\u003e\n\u003cli\u003eStandard USA ring size range: 6 to 6-1\/4\u003c\/li\u003e\n\u003cli\u003e14K White Gold is nickel-alloy based and rhodium plated\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\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eCenter Stone Size\u003c\/th\u003e\n\u003ctd\u003e4.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eApproximate Carat Weight\u003c\/th\u003e\n\u003ctd\u003e3\/8 ct (diamond weights)\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\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eHigh polish\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRing Size Range\u003c\/th\u003e\n\u003ctd\u003e6 to 6-1\/4 (standard USA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e14K White 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\u003ch3\u003eAvailable Options\u003c\/h3\u003e\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\u003e951-223\u003c\/td\u003e\n\u003ctd\u003e14K White Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e9501-223\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-223\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":47551342084310,"sku":"951-223","price":325.83,"currency_code":"USD","in_stock":true},{"title":"Platinum","offer_id":47813867241686,"sku":"95B-223","price":500.34,"currency_code":"USD","in_stock":true},{"title":"14K White Head\/14K Yellow Shank","offer_id":47813867274454,"sku":"9501-223","price":327.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/14kw-14kw14ky-and-platinum-round-solitaire-4-5mm-center-stone-6-prong-die-struck-otto-frei-1.jpg?v=1719958983","url":"https:\/\/www.ottofrei.com\/ja\/products\/14kw-14kw-14ky-platinum-18ky-platinum-round-solitaire-4-5mm-center-stone-6-prong-die-struck","provider":"Otto Frei","version":"1.0","type":"link"}