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