{"product_id":"5-18-ct-cushion-vivid-blue-sapphire-ceylon-gia","title":"5.18 ct Cushion Vivid Blue Sapphire — Ceylon, GIA","description":"\u003cp\u003e5.18 carat Vivid blue Sapphire from Ceylon (Sri Lanka), heat-treated, measuring 10.00 × 8.42 × 7.03 mm. Deep, saturated blue with lively light return across the mixed brilliant faceting — the color range prized in fine Ceylon blue sapphire. The stone is lightly included; inclusions are natural and fully disclosed, and the price reflects them. At 5.18 carats, a substantial center stone or collector piece. Accompanied by a GIA report confirming weight, dimensions, origin, and treatment status.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eFeatures of Vivid blue Sapphire\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eSKU: CG8312\u003c\/li\u003e\n\u003cli\u003eCarat Weight: 5.18 carats\u003c\/li\u003e\n\u003cli\u003eDimensions: 10.00 × 8.42 × 7.03 mm\u003c\/li\u003e\n\u003cli\u003eGem Type: Natural Blue Sapphire\u003c\/li\u003e\n\u003cli\u003eCut: Cushion, mixed brilliant\u003c\/li\u003e\n\u003cli\u003eOrigin: Ceylon (Sri Lanka)\u003c\/li\u003e\n\u003cli\u003eTreatment: Heated\u003c\/li\u003e\n\u003cli\u003eColor: Vivid blue\u003c\/li\u003e\n\u003cli\u003eClarity: Lightly included\u003c\/li\u003e\n\u003cli\u003eCertification: GIA report\u003c\/li\u003e\n\u003cli\u003eHardness: 9 on the Mohs scale\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eCare\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eClean with lukewarm water and mild soap using a soft brush\u003c\/li\u003e\n\u003cli\u003eStore separately to avoid surface contact\u003c\/li\u003e\n\u003cli\u003eRemove before heavy physical activity\u003c\/li\u003e\n\u003cli\u003eAvoid ultrasonic or steam cleaners\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eWhat’s included\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eGIA report\u003c\/li\u003e\n\u003cli\u003eGemstone packed in a gem sleeve\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Crescent Gems","offers":[{"title":"Default Title","offer_id":42645301329987,"sku":"CG8312","price":9990.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8982\/8931\/files\/Cressent_Gem_CG8312_2.jpg?v=1778507178","url":"https:\/\/crescentgems.com\/products\/5-18-ct-cushion-vivid-blue-sapphire-ceylon-gia","provider":"Crescent Gems","version":"1.0","type":"link"}