This jewelry identification card is a must-have for anyone involved in the gemstone trade. The carefully designed color slots enable precise comparison and grading of . Its portable and user-friendly design makes it suitable for use in various settings, including jewelry stores, gemological labs, and during on-site appraisals. Features -Color:White -Material:Paper -Size:12.50X9.30X0.10cm/4.91X3.65X0.04in -Enhancing jewelry authentication: using diamond paper together with a diamond color grading card ensures precise color evaluation, supporting gemologists in professional appraisals -Portable design: foldable and compact structure allows easy storage and transport, ideal for professionals working in different locations -Clear visual assessment: antireflective paper ensures minimal glare, offering a clear view of during grading -User-Friendly grading process: simply position the gemstone in the card slot and compare it with the grading paper to identify discrepancies -Durable and reliable: made from cardboard, designed to withstand regular use without compromising functionality Package list: 6 Color Cards