The Hardest Gemstone in the World
The word diamond is derived from the Greek — Adamantos and the Latin — Adamantum, from which the English word ‘adamant’ is born. This name refers to the durability and hardness of the stone. Diamonds are the hardest of all gemstones, being ranked number 1 on the Mohs scale. This is 10x harder than Corundum which is ranked 2 on the Mohs scale.