[Comprehensive Diamond Grading Tool]: Ideal for showcasing 4C of , color, clarity, and carat weight - this board serves as an essential tool for diamond evaluation and customer education [Generous Size]: With dimensions of 300x200 mm, the display board provides ample space to clearly present information without cluttering your workspace [Single Unit Packaging]: Each purchase includes 1pc meticulously crafted display board, ready to enhance your jewelry presentation setup right out of [Acrylic Material]: Crafted from quality acrylic, this 4C display board is designed to withstand wear and tear, ensuring long time use for diamond grading and sales presentations [Elegant Design]: Featuring a brushed texture, this display board adds of sophistication to your jewelry presentations while maintaining clarity for easy viewing<br><br>Size:. 30cmx20cm/11.81inchx7.87inch Colour:B:Black Material:Acrylic<br><br>Package Contents: 1 * Diamond Grading Board<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.