Moissanite is a gemstone made from silicon carbide, while diamonds are composed of pure carbon. Although both offer beautiful sparkle and durability, they differ in brilliance, hardness, and overall appearance.

Diamonds rank 10 on the Mohs hardness scale, making them the hardest known gemstone. Moissanite ranks close at 9.25, which also makes it suitable for daily wear, though diamonds are more resistant to scratching over time.

Moissanite has higher fire, meaning it reflects more rainbow-colored flashes of light. Diamonds have a more classic white brilliance with subtle fire. The preference depends on personal style.

Yes, moissanite is a popular alternative due to its affordability, durability, and ethical, lab-created origin. It offers excellent sparkle and longevity while being more budget-friendly than diamonds.