Versatile functionality extends beyond diamantine grading to include multiple stones, making it an essential multi verification tool for professional and enthusiasts handling collections Perfectly suited for laboratory examinations, trade show appraisals, or fieldwork scenarios where precise instruments must withstand rigorous daily use and transportation Professional testing tool crafted from high precise metal ensures reliabled diamantine observation and accurate identification, outperforming traditional alternatives with enhanced durability and measurement consistency Featuring a resistant metal construction and streamlined interfaces, this portable device combines laboratory for efficient on site or mobile analysis Ideal for gemologists, traveling jewelry merchants, and serious collectors requiring dependable tools for frequent verification in dynamic environments, Manufacturer: Oxxggkao