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Over 400,000 Copies in PrintKnow What You Want, Know What You're Buying, Learn the Secrets to Get the Most for Your MoneyEasy to Read Easy to UnderstandPractical Complete Instant …
All the information readers need to buy beautiful diamonds with confidence, now updated and expanded Whether buying for personal pleasure or for investment, in today's market of …
This book gives you all the information you need to buy, collect, sell or simply enjoy sapphires, emeralds, rubies and other coloured gemstones with confidence and knowledge. With …
The first book devoted exclusively to the spectroscope and its use in gemstone identification. Until 1933 the refractometer and the microscope were the two principal tools in gem …
With todays finest cultured pearls rivalling diamond, ruby, emerald and sapphire in terms of popularity, rarity and price, more and more people are searching for a reliable source …