Loose gemstone and diamond grading tray with V groove slots

This loose gemstone and diamond grading tray features V groove slots, perfect for organizing and evaluating color and clarity. Designed for 4C grading, this stone tray helps jewelers, gem labs, and collectors sort and display loose gemstones or diamonds with precision. The compact board securely holds each stone in place for accurate comparison. Ideal for professional gem sorting, grading, or client presentations. We accept custom and bulk orders, and logo branding is available for jewelry businesses and workshops.