While based on the same principles as diamond grading, the "4 C’s" for sapphires prioritize different visual traits: Sapphire Color Guide - Brilliant Earth
Sapphires are highly prized gemstones belonging to the corundum mineral family, known for their exceptional durability and a vibrant spectrum of colors that extend far beyond the classic blue. When selecting a sapphire, the primary focus is on , which is evaluated by its hue, saturation, and tone. The 4 C’s of Sapphire Quality sapphire buying guide