default

imported fashion jewelry wholesale How to remove the stains on the unearthed gemstone and how to maintain the gemstones, the ruby ​​and sapphire unearthed from the ground for too long, the surface of the gemstone is very long,

imported fashion jewelry wholesale How to remove the stains on the unearthed gemstone and how to maintain the gemstone, the ruby ​​and sapphire unearthed from the ground, because there are many black stains on the surface of the gemstone, how to clean it on the surface of the gemstone, how to maintain it?