{"title":"Unheated Gemstones","description":null,"products":[{"product_id":"three-stone-square-emerald-cut-blue-sapphire-and-diamond-ring","title":"GIA Certified 5.81 Carat No Heat Ceylon Blue Sapphire and Diamond Three-Stone Ring in Platinum","description":"\u003cp\u003eDiscover a rare and investment-worthy three-stone ring featuring a 5.84 carat no-heat Ceylon (Sri Lanka) sapphire, prized for its natural, untreated origin and vivid royal blue color. The cushion-cut center stone is complemented by a pair of GIA-certified Asscher cut diamond side stones, offering exceptional symmetry, step-cut brilliance, and timeless sophistication. Expertly crafted in platinum, this luxury sapphire and diamond ring delivers superior durability and a bright white finish that enhances the beauty of each gemstone. Ideal as a statement ring, anniversary gift, or alternative engagement ring, this no-heat sapphire ring combines rarity, elegance, and certified quality—perfect for collectors and fine jewelry connoisseurs seeking high-value, natural gemstones.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1 square emerald cut Ceylon no heat blue sapphire weighing 5.81 Carats total accompanied by GIA\u003c\/li\u003e\n\u003cli\u003e1 square emerald cut diamond weighing 0.71 Carats H color and VS1 clarity GIA\u003c\/li\u003e\n\u003cli\u003e1 square emerald cut diamond weighing 0.70 Carats  H color and VS2 clarity GIA\u003c\/li\u003e\n\u003cli\u003eRing set in platinum 12.00 grams total weight\u003c\/li\u003e\n\u003cli\u003eRing size 7.00\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Neda Rahm Designs","offers":[{"title":"Default Title","offer_id":43782950125757,"sku":"0020460","price":40000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0539\/3527\/6221\/files\/bA1_3_3e4dbec5-10ed-4ebb-98b3-067f79c9c93d.jpg?v=1713454807"},{"product_id":"no-heat-9-19-carat-natural-gem-blue-sapphire-diamond-ring","title":"9.19 Carat No Heat Ceylon Blue Sapphire and Diamond Ring in Platinum","description":"\u003cp\u003eThis exceptional 9.19-carat oval-cut Ceylon blue sapphire takes center stage in a masterfully crafted statement ring. Displaying a vibrant, velvety blue hue, the central gem is entirely unheated, preserving its remarkable natural clarity and brilliance. The striking sapphire is securely held by four platinum prongs and flanked by shimmering, channel-set accent diamonds along the shoulders. Expertly cast in 7.75 grams of solid platinum, this heirloom-quality piece perfectly balances timeless sophistication with a bold, luxurious presence.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNo heat blue sapphire 9.19 carats Ceylon origin \u003c\/li\u003e\n\u003cli\u003eRing set in platinum 7.75 grams total weight\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Neda Rahm Designs","offers":[{"title":"Default Title","offer_id":45294555955389,"sku":"0020589","price":15110.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0539\/3527\/6221\/files\/0020589.png?v=1754679560"},{"product_id":"cushion-cut-6-36-carat-blue-sapphire-diamond-three-stone-ring","title":"GIA Certified 6.36 Carat No Heat Sri Lankan Blue Sapphire and Diamond Three-Stone Ring in Platinum","description":"\u003cp\u003eThis three-stone ring is centered on a 6.36 carat cushion cut blue sapphire from Sri Lanka, certified by GIA as showing no heat treatment. Two shield step cut diamonds flank the sapphire, and the platinum setting keeps the look bright and clean. Unheated Ceylon sapphires of this size are rare, which makes this a strong piece for collectors.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCenter stone:\u003c\/strong\u003e 6.36 carat cushion blue sapphire, no heat, Sri Lanka origin, GIA report\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSide stones:\u003c\/strong\u003e 2 shield step cut diamonds, 1.40 carats total weight, E-F color, VVS2-VS1 clarity, GIA reports\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetal:\u003c\/strong\u003e Platinum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal weight:\u003c\/strong\u003e Approximately 7.91 grams\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRing size:\u003c\/strong\u003e 6.50\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Neda Rahm Designs","offers":[{"title":"Default Title","offer_id":45987768205501,"sku":"0021114","price":50000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0539\/3527\/6221\/files\/0021114_447975a3-69e5-469a-ae51-1f98f9a10777.jpg?v=1789423245"},{"product_id":"6-01-carat-no-heat-madagascar-sapphire-diamond-three-stone-ring-agl-certified","title":"AGL Certified 6.01 Carat No Heat Madagascar Sapphire and Diamond Three-Stone Ring in 18K White Gold","description":"\u003cp\u003eThis three-stone ring features a rare 6.01 carat cushion mixed cut blue sapphire from Madagascar, set in polished 18K white gold. AGL certifies the sapphire as showing no evidence of heat treatment or clarity enhancement, which makes it a true collector's stone. Two trapezoid diamonds flank the center for a clean, timeless silhouette, and it's a strong choice as an unheated sapphire engagement or statement ring.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCenter stone:\u003c\/strong\u003e 6.01 carat cushion blue sapphire, no heat, Madagascar origin (AGL Report No. 1148016)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSide stones:\u003c\/strong\u003e 2 trapezoid diamonds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetal:\u003c\/strong\u003e 18K white gold\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal weight:\u003c\/strong\u003e 5.8 grams\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRing size:\u003c\/strong\u003e 5.25\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Neda Rahm Designs","offers":[{"title":"Default Title","offer_id":46673130356925,"sku":"0021247","price":50000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0539\/3527\/6221\/files\/0021247.jpg?v=1789402909"},{"product_id":"1-01-ct-purplish-red-ruby-and-natural-diamond-halo-ring-1","title":"1.01 Carat No Heat Burmese Purplish Red Ruby and Diamond Halo Ring","description":"\u003cp\u003eCaptivate every room with this exquisite halo cocktail ring, masterfully crafted with a 6.23-gram total weight of luxurious fine metal. At the heart of this stunning piece sits a magnificent, vibrant 1.01-carat purplish-red ruby originating from Burma with desirable no-heat certification. A radiant frame of natural diamonds totaling 0.56 carats brilliantly surrounds the center gem, adding luminous contrast and timeless elegance to the design. Currently available in size 7.25, this captivating ring offers a perfect balance of bold color and sophisticated luxury, making it an unforgettable addition to any fine jewelry collection.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBurma no heat 1.09cts\u003c\/li\u003e\n\u003cli\u003eDiamond is 0.56cts\u003c\/li\u003e\n\u003cli\u003e6.23 grams total weight\u003c\/li\u003e\n\u003cli\u003ering size 7.25\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Neda Rahm Designs","offers":[{"title":"Default Title","offer_id":48458113319101,"sku":"0021391","price":7000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0539\/3527\/6221\/files\/0021391_2_c03bdf36-0a2d-4fa9-81a6-e8fd9af110c6.jpg?v=1789578894"},{"product_id":"3-29-carat-unheated-burma-red-spinel-and-diamond-halo-ring","title":"3.29 Carat Unheated Burma Red Spinel and Diamond Halo Ring in Platinum","description":"\u003cp\u003eThis ring is centered on a 3.29-carat natural red spinel from Burma (Myanmar). The cushion-cut stone measures 9.80 x 8.51 x 5.22 mm and shows a rich red color. It sits in four claw prongs inside a halo of round brilliant diamonds arranged in a starburst pattern, and more diamonds run down both sides of the shank. Untreated Burmese spinel is valued for its color and rarity, which makes this a strong piece for both collectors and everyday wear.\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eCenter stone:\u003c\/strong\u003e 3.29-carat natural red spinel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShape:\u003c\/strong\u003e Cushion, with a brilliant-cut crown and step-cut pavilion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasurements:\u003c\/strong\u003e 9.80 x 8.51 x 5.22 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSetting:\u003c\/strong\u003e Four-prong center inside a starburst halo of round brilliant diamonds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank:\u003c\/strong\u003e Diamonds set down both sides\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetal:\u003c\/strong\u003e Platinum\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Neda Rahm Designs","offers":[{"title":"Default Title","offer_id":67798887334077,"sku":"0021497","price":18500.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0539\/3527\/6221\/files\/jewelry_0021497_image-1.jpg?v=1792082981"},{"product_id":"2-37-carat-unheated-burma-red-spinel-and-diamond-cluster-halo-ring","title":"2.37 Carat Unheated Burma Red Spinel and Diamond Cluster Halo Ring in Platinum","description":"\u003cp\u003eThis ring is set with a 2.37-carat natural red spinel from Burma (Myanmar), certified by GIA as showing no indications of heating. The cushion-cut center stone measures 8.86 x 7.60 x 4.46 mm and has a deep, saturated red color. It is held in four claw prongs and surrounded by a sculpted cluster halo of round brilliant diamonds. More diamonds are pavé-set along a tapered shank, which adds sparkle from every angle. Unheated Burmese spinel is one of the most sought-after colored gemstones, which makes this ring a rare piece to wear or to collect.\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eCenter stone:\u003c\/strong\u003e 2.37-carat natural red spinel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShape:\u003c\/strong\u003e Cushion, with a brilliant-cut crown and step-cut pavilion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasurements:\u003c\/strong\u003e 8.86 x 7.60 x 4.46 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank:\u003c\/strong\u003e Pavé-set diamonds along a tapered band\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetal:\u003c\/strong\u003e Platinum\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Neda Rahm Designs","offers":[{"title":"Default Title","offer_id":67813493768381,"sku":"0021498","price":14000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0539\/3527\/6221\/files\/jewelry_0021498_image-1.jpg?v=1792172763"}],"url":"https:\/\/nedarahmdesigns.com\/collections\/unheated-gemstones.oembed","provider":"Neda Rahm Designs","version":"1.0","type":"link"}