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Emerald is a beryl which derives its green by chromium. Mineralogically can highlight two varieties: Common beryl murky and poorly colored appearance and noble, transparent and amazing colors emerald belongs to the beryl.

Until the sixteenth century the only known emeralds were in Egypt. Later the Spaniards in the conquest of America unveiled the precious emeralds produced in South America.

Physical properties:

  • Hardness: 7.5 to 8 on the Mohs scale
  • Specific gravity: 2.67 to 2.80
  • Conchoidal fracture

Optical properties:

  • Green color
  • Vitreous luster variable transparency, and possible presence of inclusions that give a milky appearance.


Producing countries emeralds

First a clarification, because we have to differentiate between source and origin.

Country of origin means the mine and origin is where it is marketed and handled is. For example we can have that originated in an emerald mine in Colombia and its origin is India because it is here that has been carved and sold.

The most important deposits in the world are in Colombia, where they produce 55% of the emeralds and also sold copies emerge better quality. Notable sites Muzo and Chivor Coscuez.

Brazil would be the second largest producer with mines and Socoto Canaiba, followed by Zambia and Pakistan. 


Rate emerald

Emeralds are valued based on their color, clarity, cut and size.

  • Color: emerald tone can vary from yellow to blue (secondary colors). For most gemologists, emeralds that have greater value and beauty are green with a blue reflection (Muzo and Chivor mines in Colombia) To determine the price one must consider the amount of chromium bearing gem, since it defines the intensity of the green. If there is little the color is pale, and if you have too results in a deep green light with less game. Keep in mind that a very frequent to improve the color of emerald practice is to enter the emerald in a liquid near IR (cedar and olive oil) and heat gently to enter into the fissures of the rock and disguises . The "emerald chips" are very common in the market and widespread treatment is not considered fraudulent.
  • Purity: Almost all emeralds tend to have inclusions and cracks on its surface, and are accompanied by small fractures. Emeralds without inclusions are called "oil drops" and are extremely valuable.
  • Size: Size par excellence is the rectangular cut emerald, also known as emerald cut, and most important center is carved in Jaipur (India). Colombian emeralds almost always carved in rectangular and oval African.
  • Weight: Emeralds are more expensive than sapphires and rubies in small sizes. From 6 to 8 carats the price starts to rise more slowly.


Esmeraldas famous

Fura and Tena:

They were two emeralds found in 1999 at the site of Muzo (Colombia). Its name comes from a legend of the Muisca Indians. According to this the children two chiefs of enemy tribes fall in love against the wishes of the families, and after the death of Tena lovers become rivers and mountains of emeralds. Fura emerald weighs 11,000 carats and 2,000 carats emerald Tena, although the latter is more valuable because they have a nicer color.


I drew mine in Las Cruces (Colombia) by a woman named Emilia, had a weight of no less than 6,900 carats.