premium珍珠是什么意思



1. "Premium" does not signify a brand, but rather indicates a high degree of luster in pearls. This term, in the field of pearl grading, certifies the highest level of shine, surpassing the rating of "Extreme Rose" and indicating an even brighter pearl光泽度更高，这个词是真科研对光泽鉴定等级中的最强光给予认证，比“极光rose”更高一层，珠光更亮。