Reasons for K gold jewelry discoloration K gold discoloration generally occurs in three ways: tarnishing, chemical & physical discoloration, and black silver film on the surface. 1. Exposure to human sweat The discoloration or fading of K gold jewelry is …
Will gold “rust”?
Many collectors are chasing after gold for its dazzling gloss. However, it is technically impossible to achieve 100% purification of gold. Even pure gold with a maximum purity of 999.0‰ will have “impurities”. This also makes a small part of …
Don’t maintain your jewelry like this!
1.Put together with cosmetics When the ring is stained with cosmetics, the brightness will be weakened; especially diamonds, it is very easy to stick to oily cosmetics, and they must be separated strictly. 2.Wear accessories when washing and bathing Pearls …
The benefit of colored gems
Colored gems can not only be made into jewelry to play a decorative role, but also to promote people’s health, let’s see what effect does each gem have. Sapphire The blue heteropolar ore has powerful energy, but it is not …
The precious metal – gold
In ancient times, gold was often owned by emperors or nobles. Even in countries of different faiths, gold has become a material for worship and decoration to protect the image of gods. In modern life, gold also plays this role. …
Do you really know about colored diamond?
A colored diamond is a tonal diamond that is more expensive than a regular diamond because the color of the colored diamond is very beautiful and extremely rare. So, how are colored diamondsgraded? The Gemological Institute of America (GIA) has …