{"product_id":"platinum-round-lab-grown-alexandrite-natural-diamond-3-5-6mm-stones","title":"Platinum Round Lab-Grown Alexandrite \u0026 Natural Diamond Halo-Style Necklace or Pendant – 3.5-6mm Stones","description":"\u003cp\u003eLab-Grown Alexandrite \u0026amp; Natural Diamond halo-style necklace or pendant in solid platinum — crafted to order in the United States.\u003c\/p\u003e\u003ch3\u003eWhy Choose Platinum?\u003c\/h3\u003e\u003cp\u003ePlatinum is naturally white through and through - it never yellows and never needs re-plating. Hypoallergenic, noticeably heavier, and it develops a prized patina over decades. The heirloom-grade choice. On a budget? 14K white gold gives a similar look for less.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAvailable in:\u003c\/strong\u003e ✓ Platinum ✓ \u003ca href=\"\/pt\/products\/14k-gold-round-lab-grown-alexandrite-natural-diamond-3-5-6mm-stones\"\u003e14K Gold\u003c\/a\u003e · \u003ca href=\"\/pt\/pages\/metal-guide\"\u003eCompare Metals →\u003c\/a\u003e\u003c\/p\u003e\u003ch3\u003eDesign Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHalo-Style Necklace or Pendant\u003c\/li\u003e\n\u003cli\u003eRound lab-grown alexandrite \u0026amp; natural diamond, Si2-Si3, Ghi\u003c\/li\u003e\n\u003cli\u003eTotal carat weight options: 1\/2 CTW, 5\/8 CTW\u003c\/li\u003e\n\u003cli\u003ePolished finish; white gold is rhodium-plated\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eStone\u003c\/td\u003e\n\u003ctd\u003eLab-Grown Alexandrite \u0026amp; Natural Diamond\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStone shape\u003c\/td\u003e\n\u003ctd\u003eRound\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal carat weight\u003c\/td\u003e\n\u003ctd\u003evaries by option - shown above\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiamond grade\u003c\/td\u003e\n\u003ctd\u003eSi2-Si3, Ghi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChain length\u003c\/td\u003e\n\u003ctd\u003e16-18\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMetal\u003c\/td\u003e\n\u003ctd\u003ePlatinum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApprox. weight\u003c\/td\u003e\n\u003ctd\u003e2.26-5.74 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003ePolished; white gold rhodium-plated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eChain \u0026amp; Delivery\u003c\/h3\u003e\u003cp\u003eFinished necklace — chain included; choose your length above (16-18\"). Ships in 10-14 business days, fully insured, in Italian Fashions gift packaging.\u003c\/p\u003e\u003ch3\u003eCare\u003c\/h3\u003e\u003cp\u003eClean gently with warm water, mild soap, and a soft cloth. Remove during heavy work.\u003c\/p\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhy is platinum more expensive?\u003c\/strong\u003e It is rarer, denser (more precious metal by weight), and requires specialist crafting. In return it lasts generations without re-plating.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAre lab-grown diamonds real diamonds?\u003c\/strong\u003e Yes — chemically and optically identical to mined diamonds. Learn more in our \u003ca href=\"\/pt\/pages\/diamond-guide\"\u003eDiamond Guide\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it come with a warranty?\u003c\/strong\u003e Yes, every piece is backed by our craftsmanship guarantee.\u003c\/p\u003e\u003cp\u003eExplore more: \u003ca href=\"\/pt\/pages\/metal-guide\"\u003eMetal Guide\u003c\/a\u003e · \u003ca href=\"\/pt\/pages\/diamond-guide\"\u003eDiamond Guide\u003c\/a\u003e\u003c\/p\u003e","brand":"Italian Fashions","offers":[{"title":"Center Only (No Chain) \/ 1\/2 CTW - 3.5mm","offer_id":52032267125021,"sku":"IF-ST-87232:403:P-PT","price":2495.0,"currency_code":"USD","in_stock":true},{"title":"16-18\" \/ 1\/2 CTW - 3.5mm","offer_id":52032267157789,"sku":"IF-ST-87232:965:P-PT","price":3295.0,"currency_code":"USD","in_stock":true},{"title":"Center Only (No Chain) \/ 1\/2 CTW - 4mm","offer_id":52032267190557,"sku":"IF-ST-87232:1096:P-PT","price":2549.0,"currency_code":"USD","in_stock":true},{"title":"16-18\" \/ 1\/2 CTW - 4mm","offer_id":52032267223325,"sku":"IF-ST-87232:1208:P-PT","price":3495.0,"currency_code":"USD","in_stock":true},{"title":"Center Only (No Chain) \/ 5\/8 CTW - 4.5mm","offer_id":52032267256093,"sku":"IF-ST-87232:514:P-PT","price":3195.0,"currency_code":"USD","in_stock":true},{"title":"16-18\" \/ 5\/8 CTW - 4.5mm","offer_id":52032267288861,"sku":"IF-ST-87232:840:P-PT","price":3795.0,"currency_code":"USD","in_stock":true},{"title":"Center Only (No Chain) \/ 5\/8 CTW - 5.5mm","offer_id":52032267321629,"sku":"IF-ST-87232:161:P-PT","price":3199.0,"currency_code":"USD","in_stock":true},{"title":"16-18\" \/ 5\/8 CTW - 5.5mm","offer_id":52032267354397,"sku":"IF-ST-87232:705:P-PT","price":3799.0,"currency_code":"USD","in_stock":true},{"title":"Center Only (No Chain) \/ 5\/8 CTW - 5mm","offer_id":52032267387165,"sku":"IF-ST-87232:215:P-PT","price":3149.0,"currency_code":"USD","in_stock":true},{"title":"16-18\" \/ 5\/8 CTW - 5mm","offer_id":52032267419933,"sku":"IF-ST-87232:1052:P-PT","price":3749.0,"currency_code":"USD","in_stock":true},{"title":"Center Only (No Chain) \/ 5\/8 CTW - 6mm","offer_id":52032267452701,"sku":"IF-ST-87232:501:P-PT","price":3295.0,"currency_code":"USD","in_stock":true},{"title":"16-18\" \/ 5\/8 CTW - 6mm","offer_id":52032267485469,"sku":"IF-ST-87232:767:P-PT","price":3895.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0798\/6800\/2589\/files\/IF-ST-BSJ-78819158-s0_921bc120-c764-4f8e-9466-2de744ab9bf1.jpg?v=1784598575","url":"https:\/\/www.italianfashions.com\/pt\/products\/platinum-round-lab-grown-alexandrite-natural-diamond-3-5-6mm-stones","provider":"Italian Fashions","version":"1.0","type":"link"}