The El-Dorado Topaz, owned by the Programa Royal Collections based in Madrid, Spain, weighed a massive 37 kg when first unearthed in 1984, in Minas Ge...

Thanks for sharing your experience of handling a rare Nautilus pearl with our members. Your description of the pearl, such as its white color, translu...

I thought hallmark jewelry means a logo by the manufacturer. I did not know that the same logos are used for one country by an office after testing an...

Assaying is defined as the testing of precious metals to determine their purity.The precious metals usually referred to while assaying jewelry are ste...

1)The per carat weight of a stone increases exponentially when the total weight of the gemstone increases.For example if the price of a 0.8-carat gems...

Summary of the principles of valuation in general 1)Demand for the item. 2)Supply of the item. 3)Scarcity of the item. 4)Durability of the item. ...

In this post I will deal with the aspects of valuation that are relevant to gemstones, jewelry and diamond industry. The principle of valuation of ge...

I will answer this question in two parts. In this post I will deal with the first part, which is "The principle of valuation in economics". The valua...