How to value an Emerald
Emeralds are valued based on their color, purity, size, and size.
Colour: The tone of the emerald can vary from yellow to blue (secondary colors). For most gemologists, the emeralds that have the greatest value and beauty are the green ones that have a blue reflection (Muzo and Chivor mines in Colombia).
To determine the price, the amount of chrome in the gemstone must be considered, as it defines the intensity of the green. If there is little the color is pale, and if there is too much it results in a deep green with less play of light.
It must be taken into account that a very frequent practice to improve the color of the emerald consists of introducing the emerald in a liquid with a close IR (cedar and olive oil) and heating it gently so that it enters the cracks in the stone and disguises them .
“Fried emeralds” are very common on the market and the treatment is so widespread that it is not considered fraudulent.
Purity: Almost all emeralds tend to have inclusions and cracks on their surface, and they are accompanied by small fractures. Emeralds without inclusions are called “oil drops” and are extremely valuable.
Size: The emerald cut par excellence is the rectangular cut, also known as the emerald cut, and its most important carving center is in Jaipur (India). Colombian emeralds are almost always cut rectangular and African emeralds are oval.
Weight: Emeralds are more expensive than sapphires and rubies in small sizes. From 6 or 8 carats the price begins to increase more slowly.
Famous emeralds
Fura and Tena: They were two emeralds found in 1999 in the Muzo deposit (Colombia). Its name responds to a legend of the Muisca indigenous people. According to this the children of two chiefs of enemy tribes fall in love against the will of the families, and after the death of Tena the lovers become rivers and mountains of emeralds. The Fura emerald has a weight of 11,000 carats and the Tena emerald of 2,000 carats, although the latter is more valuable since they have a more beautiful color.
The Emilia : It was extracted in the Las Cruces mine (Colombia) by a woman named Emilia, it had a weight of no less than 6,900 carats.
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