Tools for estimating the mass of precious stones, typically based on dimensions and industry-standard parameters for various cuts and types of gems, are available online and as standalone software. For example, entering measurements like length, width, and depth into such a tool can generate an approximate carat weight for a round brilliant-cut diamond.
Accurate weight estimation is crucial for determining the value of a gemstone, especially in wholesale and retail trade. Historically, weighing gemstones required specialized, sensitive balances. Modern digital tools offer greater convenience and speed, enabling quick estimations even during field gemology work or online gem purchases. This facilitates transparent pricing and informed decision-making for both buyers and sellers.