Skrevet til købere, der overfører rigtige penge til forhandlere, de ikke har mødt. Hver vejledning beskriver, hvad papirerne skal indeholde, hvordan oplysningspligten ser ud, og hvor risikoen egentlig ligger.
Nearly every emerald reaches the market with surface-reaching fissures, and nearly every one has had those fissures filled. Oiling is not a scandal; it is the standing condition of the emerald trade, accepted for centuries on one term: the amount of filler present is graded, disclosed and priced.
Most sapphire on the market has been heated.