Precious : the history and mystery of gems across time

"A renowned jewelry expert tells the story of her career working with nature's most extraordinary treasures – gemstones -- and traces these rare jewels from ancient Egyptian records through the high-stakes auctions of today Helen Molesworth has been captivated by precious stones since early childhood, but when she tried to join the gemstone industry as a fresh-faced university graduate, she struggled, having no connections in a patriarchal field...