In less than two decades, Mozambique has emerged as one of the world’s most important sources of gem-quality rubies, reshaping the global...

When it comes to red and pink gemstones, the terms “ruby” and “pink sapphire” are sometimes used interchangeably — but technically, there...

When you think of rubies, the image that often comes to mind is a fiery red gem glowing with passion and rarity. But did you know that...