The traditional list of gemstones that are considered precious stones are: Diamond. Ruby. Sapphire. Emerald.
What is the most precious stone on Earth?
Sapphire is the most precious blue gemstone. It is a most desirable gem due to its color, hardness, durability, and luster. Value of this gemstone depends on its size, color and transparency. Top-quality sapphires are extremely rare in all the gemstone mines of the world.
Which Precious Stone Are You?
1 Million Tests offers you to find out which of rare stones fits your precious …