Emerald is the dark green to green blue variety of the mineral beryl.
Emerald gemstone price guide.
The igs gem price guide covers commonly traded colored gemstones as well as more unusual collectible gems.
Symmetry is directly proportional to price.
Like the emerald has always commanded more price when fashioned as an emerald cut and sapphires are considered more desirable in the oval cuts.
Some gemstones are traditionally cut in particular shapes.
Value factors hinge largely on color with nuances of saturation and hue affecting price to a significant degree.
Emerald s price is very high due to its rarity.
The exact definition of emerald varies and the level of intensity of the color for a gemstone to be defined as emerald is not strict however beryls that are light green are typically not considered emeralds.
For example a recent price guide lists a fine quality 3 ct colombian stone as six times more valuable than three equivalent quality 1 ct stones.
Like many stones the per carat price of fine quality emerald escalates rapidly with size.
The cut of a colored gemstone also has significant bearing on the price per carat.
An emerald that weighs 1 50 carats with a bg 5 5 hue falls in the exceptional tone and saturation category and vvs clarity is priced at 10 000 to 18 000 per carat so multiply the carat weight 1 50 times 10 000 to get 15 000 for low retail and 1 5 times 18 000 to get 27 000 as the high retail price.
Zambian panna price per ratti may be slightly lower than zambian emerald price per carat.