The Oval Gauge for Stones (0.01–4 CT) is a precision measuring tool designed for jewelers, gemologists, and stone setters who require accurate carat estimation for diamonds and gemstones. This gauge provides fast, reliable measurements for small melee stones up to larger 4‑carat gems, making it ideal for sorting, grading, and setting work.
he clearly marked scale allows you to determine approximate carat weight based on the stone’s oval dimensions. Its compact, lightweight design ensures easy handling in workshops, retail stores, and gem‑testing environments. Perfect for diamond assorting, gemstone selection, ring setting, and jewelry production.
Made from durable materials with smooth movement for consistent accuracy.
Key Features
- Measures 0.01 CT to 4 CT
- Ideal for diamonds, gemstones & oval‑cut stones
- Accurate carat estimation based on oval dimensions
- Smooth, precise movement for reliable readings
- Essential for stone setting, grading & jewelry production
- Compact and lightweight for daily workshop use
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