1 pcs Blue Sapphire - 6.64 ct - Gemological Science International (GSI)

Sapphires are renowned for their vibrant blue tones, but they can occur in a spectrum of colors. This gemstone is a 6.64-carat blue sapphire certified by Gemological Science International (GSI), an institution specializing in gemstone grading and identification. Blue sapphires are a variety of the mineral corundum and owe their color to trace iron and titanium. These gems have been associated with royalty, wisdom, and protection throughout history. The deep blue shades of sapphires from regions like Kashmir, Burma, and Sri Lanka are particularly prized. Sapphires are valued not only for their stunning appearance but also for their exceptional hardness—second only to diamonds—making them ideal for daily wear in rings and other jewelry. Certification by a trusted lab like GSI provides assurance of the stone's natural origin and quality parameters including color, clarity, and cut. This sizeable sapphire represents a captivating choice for collectors or bespoke jewelry.