Pear shaped rose cut diamond.
Light blue diamond name.
At night alexandrite appears reddish with incandescent light while usually green or blue at daytime.
In the fancy color diamond book they explain that while a diamond is forming boron particles can become trapped inside the crystal lattice.
The price of a 0 3 carat light blue diamond costs 15 700 on average.
This diamond has great color but contains many inclusions.
Licensed under cc by 3 0.
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.
What it lacks in provenance and color intensity it makes up for in size.
Alexandrite is a color changing gemstone of the mineral chrysoberyl.
The price of a 0 5 carat light blue diamond is 26 280 on average.
Commond via wikimedia commons alexandrite.
A pale blue diamond source.
At 2 million per carat it would command a reserve price of 79 million.
The presence of an impurity this is also true for blue diamonds.
Lovely translucence and low cost have prompted a slight resurgence in the popularity of chalcedony.
It is this substance that absorbs yellow light thus reflecting a blue color.
Fancy intense blue diamond hpht 3 carat princess cut 31854 from r.
On exhibit at crater of diamonds state park in arkansas where it was found in 1990.
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.
Rothem diamonds on vimeo.