Unusual Engagement Rings – Black Diamonds
If you are looking for unusual engagement rings black diamonds are an incredible idea for you. Black diamonds are generally opaque, unlike the colorless and colored diamonds, which are transparent. The cut is therefore less important for black diamonds, because light is not reflected and does not break as other diamonds. Black diamonds have a unique luster, as well as typical hardness.
Clean black diamonds are rare and have a higher price, but most diamonds have a colorless gray areas – the price reaches about 10 000 dollars per carat. Secondary colors of black diamonds are gray, white etc.
The traditional shape of a diamond is the classic crystal structure. Black diamonds look like obsidian or volcanic rock. Their structure is a result of the inclusion of gas during the formation of diamond. Other diamonds are formed deep in the earth where there is not access to gas.
Black Diamonds Are Rarely Used In Jewelry And That Makes Them The Perfect Unusual Engagement Rings.
Black diamonds are extremely difficult to shape and polish. Their hardness exceeds the one of other diamonds because they do not split in the planes of the crystal. This determines their application mainly in the industry.
These unusual engagement rings are produced in Brazil and Central Africa, but not in places that typically harvest traditional diamonds. It is unclear why black deposits of diamonds are isolated from conventional deposits of diamonds.
In the 90s the black diamonds have become very popular in jewelry combination withwhite or yellow diamonds. As these unusual engagement rings are rare and difficult to polish, they are used in the form of small black blocks. Usually these are artificially colored black diamonds.
How To Make A Difference Between The Unusual Engagement Rings -Black Diamonds And The Ordinary – Artificial Black Diamonds?
If you like the idea of buying unusual engagement rings then you have to differ the natural black diamonds from the artificial ones. In a study of fiber optic equipment natural black diamonds are black, and processed – dark brown or greenish. In addition to that under magnification x10 the natural black diamonds have continuous color, and colored- spotted. Also, under processing the electrical conductivity of diamonds may change. Unfortunately, there is no way to find out if you are buying an artificial black diamond with the naked eye. Make sure you always do your own research before buying any unusual engagement rings.
