Natural Blue Sapphire – Unheated (No Indications of Heating) | 3.17 Carats | ICA GemLab Certified Offered is a beautiful Natural Blue Sapphire weighing 3.17 carats, expertly fashioned in an elegant octagonal step cut. Its vibrant blue color, excellent transparency, and attractive proportions make it an outstanding gemstone for collectors, investors, or custom fine jewelry. This sapphire is certified by ICA GemLab and has No Indications of Heating (NTE), an important quality that makes natural sapphires especially desirable in the international gemstone market. Gemstone Details * Species: Natural Corundum * Variety: Natural Blue Sapphire * Weight: 3.17 Carats * Dimensions: 8.22 × 6.40 × 6.26 mm * Shape: Octagonal * Cut: Step / Step * Color: Blue * Transparency: Transparent * Treatment: No Indications of Heating (NTE) * Phenomena: None * Comments: None Certification * Laboratory: ICA GemLab * Report Included * Report Date: 21 July 2026 Shipping & Packaging * Item will be shipped from Thailand * The gemstone will be carefully and securely packaged for safe international delivery with tracking. * Buyers are responsible for any customs duties, VAT, or import taxes applicable in their country. Please examine all photos carefully, as they are part of the description. Color may appear slightly different depending on your screen settings and lighting conditions. This certified natural unheated Blue Sapphire is an excellent choice for gemstone collectors, investors, or anyone seeking a premium gemstone for a custom jewelry creation.