Emerald

This gemstone, with its rich green colour, is one of the long-used precious stones known to man. When talking of emeralds we are referring to only the green variety of the mineral beryl. The oldest known source is in Colombia but finds have also been made in also in Pakistan. Most of the richly green examples currently come from Peshawar in Pakistan. The most sought-after emeralds are those with a deep, rich green colour and excellent clarity.