Things you May Not Know about Natural Blue Diamonds

Larger natural blue diamonds have been sold for record prices at diamond ring auctions for several years. An elegantly designed 10.95 carat fancy vivid blue diamond, which was called as “Bulgari Blue”, was sold for 15.7 million dollars in an auction just a few years ago.

The most famous blue diamond in the world is definitely the “Hope Diamond”. The fancy deep graying blue color and stunning design of this diamond made it one of the best fancy diamonds to be ever discovered. The carat size of the stone is estimated to be around 45.52 cts. The highlighting feature of this diamond is its unique orange-red phosphorescence.

The blue color of blue diamond vintage engagement rings is due to the presence of boron within them. However, in some cases, the presence of hydrogen within an atom can be responsible for their grayish blue color. On the other hand, greenish blue color in diamonds is due to the presence of nitrogen. Grayish blue and greenish blue are two of the most common colors found in the center stone of blue diamond rings.