According to its current owner, below, the Hope is graded as VS1 with whitish graining, common for blue diamonds.
"The clarity of the diamond tells you how clear the diamond is"
Clarity of a diamond is an ANSII standardized procedure that involves placing a light near the diamond and measuring the refraction.
The hope diamond is a diamond. It is special because of its strong blue color and enormous size. Diamond is a mineral made up of carbon, though inclusions of other minerals can affect its color and clarity. Learn more about diamonds here: http://www.shopgemstones.com/diamond.html
For a diamond, FL, or flawless, is the highest grade for clarity -- it is perfection for the stone in terms of its clarity.
You can review the charts and information, below, to learn more about diamond clarity symbols.
AAA clarity is not a recognized rating for diamonds. The standard clarity scale for diamonds ranges from Flawless (no inclusions) to Included (visible inclusions). AAA is not a term used in the diamond industry to describe clarity.
You can have the clarity of a Diamond assessed at a Jewellers, often the item may be needed to be sent away. With an Enhanced diamond the diamond has been treated to achieve a better clarity than it originally had.
Trained gemologists use a 10x magnification to identify diamond clarity. You can read more about how clarity is graded by understanding the flaws and how they occur, below.
Some famous diamonds include the Hope Diamond, the Koh-i-Noor Diamond, the Cullinan Diamond, and the Regent Diamond. Each of these diamonds is notable for its size, color, clarity, and historical significance.
The highest clarity grade is F - Flawless, or IF - Internally Flawless.
IMP1 Clarity refers to a diamond clarity grading scale used by some diamond sellers. It is typically considered to be an inclusion-heavy grade, indicating visible inclusions within the diamond that can affect its appearance and value. Diamonds with IMP1 Clarity may have noticeable flaws and imperfections when examined under magnification.
A half carat average clarity pink diamond can cost as much as 5,000 dollars. Pink diamond worth is dependent on size, cut and clarity.