Description
Key Characteristics of Blue Sapphire:
- Color: The most valuable blue sapphires have a rich, velvety blue color, often described as “royal blue” or “cornflower blue.” The color intensity varies from lighter blues to deep, almost violet hues. Sapphires with a uniform color and strong saturation are highly prized.
- Hardness: Blue sapphires are incredibly hard, scoring 9 on the Mohs scale of hardness, making them one of the hardest gemstones after diamonds. This durability makes them ideal for daily-wear jewelry, including engagement rings.
- Clarity: While sapphires can have inclusions, high-quality stones are typically clean to the naked eye. Inclusions, if present, are often small and needle-like, called “silk,” and can contribute to a sapphire’s character. Generally, sapphires with fewer inclusions are more valuable.
- Cut: Blue sapphires are often cut in various shapes, with oval, cushion, and round being the most common. The cut is designed to enhance the stone’s brilliance and color, with the “ideal” cut maximizing its visual appeal by optimizing light reflection.
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