Gemstones are priced based on the 4 Cs: Carat, Cut, Color, and Clarity. Higher quality stones command premium global prices.
Priced based on the 4 Cs. Key sources: India, Botswana, Russia.
Red gemstones valued by color intensity. Most valuable: "Pigeon Blood" red.
Blue sapphires are the most popular choice for fine jewelry worldwide.
Green gemstones valued for transparency and intense color. Main source: Colombia.