Category: Gems & Jewelry

Gems & Jewelry

What is the color grade of blue sapphire?

The color grade of blue sapphire is determined by a combination of hue, tone, and saturation. While sapphires can range from very light to very dark blue, the most prized are those with a vivid, medium-dark blue that exhibits a balanced saturation and a pleasing tone. Understanding Blue Sapphire Color Grading: Beyond Just "Blue" When […]

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