What does AAA mean on jewelry?
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.
Which emerald is the best quality?
The most desirable emerald colors are bluish green to pure green, with vivid color saturation and tone that’s not too dark. The most-prized emeralds are highly transparent. Their color is evenly distributed, with no eye-visible color zoning.
Does AAA cubic zirconia tarnish?
See this here. A diamond, it goes without saying, is extremely durable, with a Mohs hardness ranking of 10 and does not easily scratch, tarnish or chip. A cubic zirconia is not as durable (8.0 – 8.5 on the Mohs scale) and can get cloudy, scratched and damaged over time.
Are Emeralds a Good Investment?
Rare, High Quality Colombian Emeralds are a safe haven, a hedge against inflation, a protection in uncertain times. Their value is essential to a diversified long term investment portfolio.
What is a commercial grade emerald?
“Commercial Grade” means a lower quality of genuine stone which is most noticeable in Emeralds, Rubies and Sapphires. Other stones tend to be more acceptable in their appearance.