Showing posts with label Diamonds Types. Show all posts
Showing posts with label Diamonds Types. Show all posts

Friday, April 24, 2009

How does pavillion depth affect a diamond's cut?


The distance from the bottom of the girdle to the culet is the pavilion depth. A pavilion depth that’s too shallow or too deep will allow light to escape from the side of the stone, or leak out of the bottom. A well-cut diamond will direct more light through the crown.

Tuesday, April 21, 2009

Common Measures For Gemstones


Diamonds are valued primarily as gemstones. Uncut diamond prices climbed nearly 50 percent between 2002 and 2006 due to growing world-wide markets. Prices of rough diamonds from active mines around the world recently averaged from as little as US$20 per carat to more than US$100 per carat ($2,835 to $14,175 per ounce).

Friday, April 17, 2009

Types of Diamonds

Grey Diamonds





Black Diamonds



Carbonado, commonly known as the 'Black Diamond,' is a natural polycrystalline diamond found in alluvial deposits in the Central African Republic and Brazil. Its natural colour is black or dark grey, and it is more porous than other diamonds.

Purple Diamonds




Red Diamonds





Violet Diamonds





Chameleon Diamonds





Green Diamonds





Blue Diamonds




Yellow Diamonds




Champagne Diamonds




White Diamonds




Pink Diamonds