Carat refers to the weight of a gemstone, most commonly used for diamonds. A higher carat usually means a larger and heavier stone.

Clarity measures the purity of a gemstone by checking for internal or external flaws. The fewer the imperfections, the higher the clarity grade.

Color in diamonds refers to how colorless the stone appears. Graded from D (colorless) to Z (light yellow), less color often means higher value.

Stone type refers to the specific kind of gem, such as emerald, ruby, or sapphire. Each type has its own unique color range, hardness, and character.

Stone color describes the hue, tone, and saturation of a gem. It plays a key role in its visual appeal, rarity, and overall value.