This sieve is made of high-hardness stainless steel, ensuring superior wear and corrosion resistance. Designed for frequent use, it guarantees reliable and accurate screening, making it ideal for users requiring consistent quality assurance. The advanced dual-layer structure significantly improves filtration efficiency. Available in 65mm and 80mm sizes, it perfectly meets various grading needs, suitable for diamonds of different sizes, and improves the efficiency of screening operations. Each sieve features a fine mesh for easy screening. A unique identification code design facilitates quick identification and simplifies operation, enhancing the professionalism and efficiency of your workflow. The transparent design allows you to clearly see the screening process throughout. Its dual-layer structure and fine mesh ensure a smooth and precise screening experience, resulting in more accurate results and increased user satisfaction. The sieves have a smooth, flat surface that is easy to handle and won't hurt your hands. Each sieve is clearly marked with its mesh size and identification code, ensuring a reliable and safe solution for diamond grading operations.