Types of Diamonds

Learn About Diamonds

Blue Diamonds

Blue diamonds, like all colored diamonds, are very rare. Although there are different types of diamonds, blue is a very desirable color for consumers, which attributes to its expense. The most famous blue diamond is the Hope Diamond which is housed in the Washington Smithsonian. The immense fame of the Hope diamond has helped make blue diamonds very desirable. The media’s recent attention to colored diamonds has also helped expand the market. Since the D-Z classification system only applies to colorless diamonds, the GIA has come up with 4 color grades for blue diamonds which are as follows; Very Light, Light, Fancy Light, Fancy, Intense, Deep, Dark, and Vivid. Additionally, secondary colors such as grey-blue and green-blue are also considered. Countries such as Africa, South Africa, and Asia are best known for producing the worlds supply of blue diamonds. The Argyle mine in Australia produces stones that would be considered violet. Every colored diamond is colored because of natural flaws in the composition of the diamond’s crystalline structure. In the case of blue diamonds, traces of Boron having infiltrated the crystalline structure of the stone during its formation are the cause of the blue coloring. Although all diamonds are treated in some form or another in order to enhance color characteristics, colored diamonds take extra effort and special care. This rolls over to the price and is the reason why only diamonds of exceptional or high quality should be enhanced. After pink, blue is the most in demand colored diamond.