Elaborado para compradores que transferem dinheiro real para revendedores que ainda não conheceram. Cada guia explica o que a documentação deve conter, como se apresenta a divulgação de informações e onde reside, de facto, o risco.
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.