{"product_id":"evergreen-ceylon-yellow-sapphire-pukhraj-collector","title":"Natural Heirloom Ceylon Yellow Sapphire (Pukhraj - Collector Grade) - Lab Certified","description":"\u003cp\u003e\u003cstrong\u003eNatural Heirloom Ceylon Yellow Sapphire (Pukhraj - Collector Grade) - Lab Certified\u003c\/strong\u003e from GemsMantra is a 100% genuine, earth-mined\/natural loose gemstone sourced from \u003cstrong\u003eSri Lanka (Ratnapura Collector Reserve)\u003c\/strong\u003e. Each stone is individually inspected by qualified gemologists for natural crystal structure, optical properties, and color uniformity, and ships with an independent gemological laboratory authenticity report.\u003c\/p\u003e\u003ch3\u003eGemological Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMineral Species:\u003c\/strong\u003e Natural Corundum (Aluminum Oxide, Al2O3)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGemstone Variety:\u003c\/strong\u003e Natural Ceylon Yellow Sapphire - Heirloom Collector Grade\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Sri Lanka (Ratnapura Collector Reserve)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor \u0026amp; Appearance:\u003c\/strong\u003e Intense Swarna-Golden Yellow with Loupe-Clean Crystal Luster\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShape \u0026amp; Cut:\u003c\/strong\u003e Master-Cut Cushion \/ Oval Brilliant\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTreatment Disclosure:\u003c\/strong\u003e 100% Unheated \u0026amp; Untreated Museum-Clarity Crystal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefractive Index:\u003c\/strong\u003e 1.762 - 1.770\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecific Gravity:\u003c\/strong\u003e 3.99 - 4.01\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMohs Hardness:\u003c\/strong\u003e 9.0\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarat-to-Ratti Conversion:\u003c\/strong\u003e Standard Indian Gemological Scale where \u003cstrong\u003e1 Ratti = 0.90 Carat\u003c\/strong\u003e (Available calibrated weights: 4.25 Ratti (3.83 Carat), 5.25 Ratti (4.73 Carat), 6.25 Ratti (5.62 Carat), 7.25 Ratti (6.53 Carat), 8.25 Ratti (7.42 Carat), 9.25 Ratti (8.33 Carat), 10.25 Ratti (9.22 Carat))\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLab Certification:\u003c\/strong\u003e Authenticated by an ISO-certified independent gemological testing laboratory (verifying natural origin, species, variety, weight, and optical constants; physical report card included in box)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Options:\u003c\/strong\u003e Available as an unmounted \u003cem\u003eLoose Gemstone\u003c\/em\u003e, \u003cem\u003eAdjustable Panchdhatu Ring\u003c\/em\u003e (+Rs.0 FREE on loose stones \u0026gt;=Rs.15,000; +Rs.500 under Rs.15,000), \u003cem\u003e925 Sterling Silver Ring\u003c\/em\u003e (+Rs.2,999), or \u003cem\u003e925 Sterling Silver Pendant\u003c\/em\u003e (+Rs.2,499), plus live 9KT\/14KT\/18KT BIS Hallmarked Gold Ring customisation on page.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eGemsMantra Zero-Risk Assurance \u0026amp; Custom Ring Studio\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% Natural Certified Gemstone:\u003c\/strong\u003e Guaranteed 100% earth-mined natural gemstone formation (never glass-filled, dyed, or artificially manufactured).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQR-Verifiable Lab Report:\u003c\/strong\u003e Authenticated by an ISO-certified independent gemological testing laboratory with a physical QR-verifiable Lab Report card shipped inside every box.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-Hour 3-Real-Stone WhatsApp Video Selection:\u003c\/strong\u003e Within 4 hours of booking (Prepaid or Partial Token), our gemologist desk shares natural daylight videos and QR lab certificates of 3 real in-stock stones in your selected Ratti weight on WhatsApp so you approve your exact piece prior to dispatch.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree Adjustable Panchdhatu Ring on \u0026gt;=Rs.15,000:\u003c\/strong\u003e Complimentary custom Adjustable Panchdhatu Ring (+Rs.0 FREE on loose stone orders \u0026gt;=Rs.15,000; +Rs.500 below Rs.15,000), plus custom Hallmarked 925 Sterling Silver Ring (+Rs.2,999) and 925 Sterling Silver Pendant (+Rs.2,499).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDynamic 9KT\/14KT\/18KT BIS Hallmarked Gold Ring Studio on Page:\u003c\/strong\u003e Configure live weight-calibrated 9KT, 14KT, or 18KT BIS Hallmarked HUID Gold Rings (R3-R30 Vedic open-back skin-touch CAD designs) directly in the interactive Gold Ring Studio on the product page, with Snapmint Pay Later \/ Cardless Installments supported at checkout.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e80% Lifetime Upgrade Value:\u003c\/strong\u003e Backed by GemsMantra's 80% Lifetime Upgrade Value privilege toward any higher-value certified natural gemstone upon presenting your original tax invoice and lab certificate.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GemsMantra","offers":[{"title":"Loose Gemstone \/ 4.25 Ratti","offer_id":71777070842109,"sku":"GM-EVG-PUK-CCOL-LOOSE-4R","price":276200.0,"currency_code":"INR","in_stock":true},{"title":"Loose Gemstone \/ 5.25 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