“...here (in India) the diamond is the king of the gemstones. But if we use value and beauty as our criteria it is certain that, for us, emeralds hold first place, then rubies.” EmeraldsDiamondsPrecious StonesRubyGemstonesKnown Only To Kings Book:Colloquies on the Simples and Drugs of India Source: Colloquies on the Simples and Drugs of India