There s a scientific cause for appearance of colors in diamonds.
Light blue diamond name.
Alexandrite is a color changing gemstone of the mineral chrysoberyl.
Commond via wikimedia commons alexandrite.
Rothem diamonds on vimeo.
Blue diamond s level of rarity often makes them a target for diamond collectors investors and enthusiasts.
The color of this gemstone changes depending on the source of light.
This diamond has great color but contains many inclusions.
The presence of an impurity this is also true for blue diamonds.
39 31 carats fancy deep blue flawless acquired by graff in 1984 the imperial blue is the world s largest known flawless fancy deep blue diamond.
On exhibit at crater of diamonds state park in arkansas where it was found in 1990.
It is this substance that absorbs yellow light thus reflecting a blue color.
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Lovely translucence and low cost have prompted a slight resurgence in the popularity of chalcedony.
A pale blue diamond source.
At night alexandrite appears reddish with incandescent light while usually green or blue at daytime.
Stuart or holland diamond.
A diamond which received a perfect 0 0 0 rating from the american gem society weighing 3 03 carats 0 606 g rough and 1 09 carats 0 218 g cut.
The price of a 0 3 carat light blue diamond costs 15 700 on average.
Fancy intense blue diamond hpht 3 carat princess cut 31854 from r.
At 2 million per carat it would command a reserve price of 79 million.
In the fancy color diamond book they explain that while a diamond is forming boron particles can become trapped inside the crystal lattice.