What precious metals materials Sumari Jewellery use ?

"WUSHI CARD" pendant The significance of jadeite carvings—An introduction to the smooth pendant Smooth (as known wushi card) pendants...

Designer Ms Tung Chia Yun (Kathleen Tung) , The Brand founder of Sumari Jewellery. At the age of 16, I'm fell in love with amethyst at...