It is simply a matter of taste which determines whether a person chooses art, coins, gemstones or any other collectable as an enjoyable activity in which to engage their leisure time. On the other hand an investor is seeking to make a financial gain based on a sound strategy. Both will have to educate themselves in order to make proper purchasing decisions. Both will have completely different criteria to evaluate in so going. To make it concise and simple the following is a sound principle to adhere to at all times.
Diamonds are the only controlled commodity in the world.
Diamonds are the most thoroughly and scientifically graded gemstones and therefore the best gemstones to be used as financial instruments. This is understood in Europe and the Orient where diamond trading in lieu of cash in not uncommon. All other gemstones should be considered as collectors stones. This does not even begin to address the subject of misrepresentation which has been the source of incredible distress over the years. The advice of the Pantanal is quite simple.