Get to know why type iia diamonds are more expensive.
Type 2a diamond price.
The stone was recently cut from a rough diamond weighing 236 carats that had been found at the jwaneng mine in botswana.
Never heard about types of diamonds such as type iia.
Diamonds are separated into five types.
They contain either very little or no nitrogen atoms in the crystal structure of the stones.
The diamond is gia certified and the company who cut the diamond is advertised as a high end diamond manufacturer who does offer high end stones and cuts.
They represent only 1 2 of all diamonds.
It took 21 months to polish.
Type ia type ib type 1ab type iia and type iib.
The koh i noor and its sister diamond the legendary 45 52 carat hope diamond the graff pink previously world s most expensive diamond and the de beer millennium star are also type iia.
However i also found out that type iia is also common among cvd diamonds and in fact some cvd testers work by looking if a diamond is type iia.
Not all type iia diamonds are created equal.
The auction houses tend to lump together all type iia stones but be warned.
The diamond is a type iia less than 1 of the world s diamonds are type iia.
The impurities measured are at the atomic level within the crystal lattice of carbon atoms and so unlike inclusions require an infrared spectrometer to detect.
White stones are exceptionally colorless and fancy colored diamonds are often found with a brown purple or pink tone.
It is estimated that only about 1 of the world s diamonds are type iia.
Diamond type is a method of scientifically classifying diamonds by the level and type of their chemical impurities.
This price index for 1 carat 1 5 carat 2 carat and 3 carat diamonds will be updated periodically to reflect changing retail and wholesale diamond prices.
An increase in size signifies a substantial increase in value and price.
It is not enough that a stone fits the scientific definition.
For example a 5 50ct d color if internally flawless round cut diamond costs on an average retail website 800 000 while the same.
Type iia diamonds are the most valued and collectable items.
The wholesale and retail prices chart below is petra gems best average estimates based on data of leading diamond suppliers and.
Then this can come as a surprise as there are 3 more of these diamond types that are classified by the level and type of their chemical impurities.
Additionally the 33 19 carat asscher cut elizabeth taylor diamond which was bought by richard burton in 1968 for his wife s ring is this type.
The second section of this article will explain how diamond prices are determined and calculated.
Every diamond during the formation gains natural elements as nitrogen or boron.
On average a diamond that is certified as type iia is valued at between 2 3 more than the same diamond that is not certified as type iia.
For example a 5 50ct d color if internally flawless round cut diamond costs on an average retail website 800 000 while the same diamond if it were type iia it would cost around 825 000.