In the fancy color diamond book they explain that while a diamond is forming boron particles can become trapped inside the crystal lattice.
Light blue diamond name.
On exhibit at crater of diamonds state park in arkansas where it was found in 1990.
Blue diamond s level of rarity often makes them a target for diamond collectors investors and enthusiasts.
Lovely translucence and low cost have prompted a slight resurgence in the popularity of chalcedony.
At 2 million per carat it would command a reserve price of 79 million.
At night alexandrite appears reddish with incandescent light while usually green or blue at daytime.
What it lacks in provenance and color intensity it makes up for in size.
There s a scientific cause for appearance of colors in diamonds.
A pale blue diamond source.
This diamond has great color but contains many inclusions.
It is this substance that absorbs yellow light thus reflecting a blue color.
Commond via wikimedia commons alexandrite.
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.
Fancy intense blue diamond hpht 3 carat princess cut 31854 from r.
The color of this gemstone changes depending on the source of light.
Rothem diamonds on vimeo.
The price of a 0 3 carat light blue diamond costs 15 700 on average.
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.
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Pear shaped rose cut diamond.