Diamond, emerald, ruby, and sapphire - in Latvia, these four stones are legally recognized as precious stones. They share rarity, exceptional hardness, and a special status in the jewelry world.
But behind this beautiful facade lies a whole world of nuances: what makes one ruby tens of times cheaper than another?
Why do most emeralds have cracks - is this normal?
How can you avoid buying a fake sapphire?
Let's take a closer look.