{"product_id":"color-changing-sapphire-3-52-carat","title":"Color Changing Sapphire - 3.52 Carat","description":"\u003cp\u003eNatural Color Changing Sapphire weighing 3.52 Carat (4.00 Ratti) of Sri Lanka (Ceylon) Origin. This Gemstone shows a Deep Blue colour in daylight that turns Purple under warm indoor light. It is Unheated \u0026amp; Untreated and Certified by IGI (International Gemological Institute). The Gemstone is at best price considering its purity \u0026amp; quality (colour, transparency, shape, cut, lustre \u0026amp; finish). Wear this Precious Gemstone in Ring or Pendant for Benefits.\u003c\/p\u003e\u003cp\u003eColor Changing Sapphire is a colour-change variety of natural corundum. This Color Changing Sapphire has a cushion shape with a mixed cut, measuring 10.45 x 7.05 x 4.69 mm, and weighs 3.52 Carat. It is transparent, and its colour is purple and deep blue. The lab report records no indication of treatment. The stone comes with a certificate: IGI (International Gemological Institute) Lab Certified, number 837682880, which can be verified online. The photos on this page show this exact stone; as a natural gem, it is one of a kind.\u003c\/p\u003e\u003cp\u003eNatural Color Changing Sapphire 3.52 Carat is sourced from Ratnapura, Sri Lanka, the same historic gem fields that produce the island's finest coloured Sapphires. Colour-change Sapphire forms when corundum carries a precise balance of trace elements, mainly chromium and vanadium, so the stone shows a deep blue in daylight and turns purple under warm indoor light. This natural effect is rare even in Sri Lanka's rich gem gravels. Only Natural Gemstones sources Ceylon Color Changing Sapphire for its rare, natural colour change.\u003c\/p\u003e","brand":"Only Natural Gemstones","offers":[{"title":"Default Title","offer_id":67743175213355,"sku":"PP837682880","price":247900.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0992\/9929\/5531\/files\/purple-sapphire-PP837682880-1.jpg?v=1792670173","url":"https:\/\/onlynaturalgemstones.com\/products\/color-changing-sapphire-3-52-carat","provider":"Only Natural Gemstones","version":"1.0","type":"link"}