Besides being a girl’s best friends, diamonds are basically rough stones that have been shaped and faceted to bring out the most of their natural glow.

Today, jewellers use many varieties of blue stones: sapphire, tanzanite, aquamarine, topaz, tourmaline, spinel, kunzite, azurite, agate, and more. Out of those, we believe, sapphire and tanzanite are the most precious ones.

Many green stones are used in jewellery, emerald being the best known of them. Some of the other favourites include green sapphire, demantoid, peridot, and chrysoprase.