{"product_id":"natural-pink-sapphire-round-4mm-0-30cts-unheated-ceylon-loose-gemstone-for-custom-jewelry","title":"Natural Pink Sapphire Round 4mm 0.30cts – Unheated Ceylon Loose Gemstone for Custom Jewelry","description":"\u003cp\u003eA round pink sapphire of 0.30 carats at 4 mm, unheated — uncommon for sapphire, and the reason untreated material carries a premium. Pink sapphire and ruby are the same mineral; only the depth of colour separates them, and both owe that colour to traces of chromium. At this size it works as an accent beside a larger centre stone, or in a cluster where a run of matched pinks is wanted.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\"Ruby's quieter sister.\"\u003c\/em\u003e\u003c\/p\u003e","brand":"NNJ Designs","offers":[{"title":"Default Title","offer_id":46491108737222,"sku":"15691","price":54.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0052\/0601\/6071\/files\/7-16-2026_-_Pink_Sapphire-032-30.jpg?v=1785160646","url":"https:\/\/nnjdesigns.com\/products\/natural-pink-sapphire-round-4mm-0-30cts-unheated-ceylon-loose-gemstone-for-custom-jewelry","provider":"NNJ Designs","version":"1.0","type":"link"}