A 2x2 mm round pink sapphire is a small, versatile, and highly durable (9 on the Mohs scale) gemstone. These brilliant-cut, natural stones generally feature a vibrant, rosy pink to magenta hue, often sourced from Burma, Madagascar, or Sri Lanka. Typically, these are heated to enhance color and clarity, making them perfect as accent stones, in halo settings, or for stacking rings. They are popular for adding a romantic, fiery accent to custom jewelry.