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.
Light blue diamond name.
Rothem diamonds on vimeo.
Pear shaped rose cut diamond.
At 2 million per carat it would command a reserve price of 79 million.
Licensed under cc by 3 0.
At night alexandrite appears reddish with incandescent light while usually green or blue at daytime.
It is this substance that absorbs yellow light thus reflecting a blue color.
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 5 carat light blue diamond is 26 280 on average.
Lovely translucence and low cost have prompted a slight resurgence in the popularity of chalcedony.
The price of a 0 3 carat light blue diamond costs 15 700 on average.
Alexandrite is a color changing gemstone of the mineral chrysoberyl.
On exhibit at crater of diamonds state park in arkansas where it was found in 1990.
What it lacks in provenance and color intensity it makes up for in size.
The presence of an impurity this is also true for blue diamonds.
The color of this gemstone changes depending on the source of light.
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.
Fancy intense blue diamond hpht 3 carat princess cut 31854 from r.
Stuart or holland diamond.
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.