What is the highest quality of gems?

What does AAA quality gemstone mean?

AAA – “AAA” grade is assigned to a gemstone that is considered to “being near perfect.” Though these stones do show some variation in colour, they are clean, well cut and polished. AA – Semi clean, well cut and polished gemstones are graded as AA.

Is Ruby rarer than diamond?

Gem-quality rubies are significantly rarer than diamonds, though there are certain types of diamonds that are very rare too. If we weigh the most spectacular examples of rubies and diamonds against one another, diamonds that show color are even rarer.

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