While many associate sapphires with the color blue, these gems actually come in a rainbow of colors. Sapphires are also a variety of corundum, like rubies. Yes, sapphires and rubies are basically ...

(PRESS RELEASE) The World Jewellery Confederation (CIBJO), the American Gem Trade Association (AGTA) and the International ...

Its ability to resist scratches makes it an excellent choice for screens and protective coatings. However, its extreme ...