Rubies, valued as precious gems, are the mineral corundum in its red form. Perhaps the country best known for its rubies was Myanmar (Burma), but the country's production has greatly decreased.

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 ...

Success achieved in the setting of gemstones of the corundum family using the unique carbonlokd setting process. Blue Diamonds Jewellery Worldwide PLC who were responsible for developing and ...