Emerald, the international jewelry industry is recognized as one of the five precious stones, emerald means "happiness, hope, life", the Europeans are emeralds as a symbol of spring, the representative of the hot love, often as a token of love between men and women.
Emeralds as the international jewelry industry recognized precious stones, many British queens and queens have a fanatical collection of jewelry hobby, after several years of accumulation, the formation of a huge pearl treasure trove. Starting from Queen Victoria, and then to Queen Mary, Queen Elizabeth, Diana heritage is not only jewelry, but also a section of the story, a share of emotions.
In 1845 Prince Albert gave Queen Victoria a set of personally designed emerald jewelry set, including crowns, necklaces, earrings, rings, all made by the royal top jeweler Joseph Kitching. The queen liked it very much, but also specially wear it to ask the German court painter to draw a portrait. In the British royal family's treasure trove, the most famous emerald jewelry to Delhi Hajj necklace and Vladimir's crown. The two are often worn together and have accompanied the Queen on many grand occasions.
The Delhi Hajj Necklace, from the collection of the Queen's grandmother, Queen Mary, consists of eight large carat plain emeralds surrounded by small diamonds.
The most unusual feature is the asymmetrical pendant, with a teardrop-shaped emerald on the right and a pear-shaped diamond on the left, which is actually the Cullinan II diamond, cut from the world's largest rough diamond, the Cullinan.
Among Queen Mary's jewelry, there is also an Art Deco Emerald Choker, which was passed down to the Queen in 1953, but she didn't wear it much. It was given to Diana when she married into the royal family.
Later also was Diana also played a new pattern, choker seconds into a hair band to wear, more presence.
The Iranian royal family's collection is also quite rich, it is said that the Van Cleef & Arpels team in the first time to accept the Iranian government commission and visit the treasury, Pierre Arpels and his small partners are stunned.
It was the Van Cleef & Arpels team that created this coronation crown, set with a total of 143 fine emeralds. The largest in the center, weighing 150 carats, was carved in a hexagonal, radial shape, while the slightly smaller shell-shaped emerald below it also weighed 50 carats. Queen Farah then commissioned Van Cleef & Arpels to create a series of jewelry pieces in which emeralds were the main stone.
The superb tiara below, by the hand of Hari Winston, was a wedding present for Queen Farah and King Pahlavi in 1959. The crown is set with seven emeralds, the largest of which weighs 65 carats. Queen Farah also loved it and often chose to wear it when attending an event~
Such a precious emerald, how do we accurately identify the authenticity and whether it is natural or not, the quality and price of emeralds vary greatly. For non-jewelry professionals, a clear understanding of the quality of the emerald connotation, is crucial. We understand this in the following ways.
The vast majority of "emerald" crystals are found in metamorphic and hydrothermal deposits, with the most important sources being South America and Africa. Generally speaking, the highest quality emeralds come from Colombia in South America. Zambia, Africa is one of the newest sources of emeralds in recent years, and pure, large-grained stones are common.
In addition to Colombia and Zambia, other regions that produce gem-quality emeralds include Brazil, Zimbabwe, India, Afghanistan, Pakistan, and the Urals region of Russia.
Factors affecting the price of emeralds is very complex, in addition to the common weight, color, clarity, but also by the origin, optimization and treatment of the impact, each factor may produce several times the price difference.
Place of origin
1, Colombia: Muzo (Muzo), Chivor (Chivor), Coscuez (Coscuez)
2, Zambia: Kafubu (Kafubu) area (later known as Miku mine), and its neighboring Ndola region is also an important emerald producing areas.
3, Brazil: Minas Gerais, Goias, Bahia and Ceara and other places
4, Afghanistan: Panjshir Valley
5, Russia: the mine is located in the vicinity of Sverdlovsk (sverdlovsk), the output is mainly on the Asian side of the Ural Mountains
6, Zimbabwe: Sandawana mine
7, Pakistan: SWAT Valley
Ethiopia, India, Yunnan, etc.
Color
Emerald color-causing elements are chromium and vanadium, color for colored gemstones is crucial, but also affects its quality and price of an important factor, in the international authority of the gemstone identification agency GRS it will be the color of emeralds, divided into three grades in order from low to high is Green, Vivid Green, Vivid Green *, and in Vivid Green * in the It also has a louder name, that is, Muzo Green.
The United States of America's international authority to identify the testing agency Gilder, the emerald color from light to deep sequentially divided into Light green, medium green, intense green, vivid green, Deep green the five levels, which in the vivid green color tone, brightness and saturation to the top of the emeralds Also known as Wharton green, Muzo green and Wharton green both represent the top in emerald color.
Tips.
"Brightness" indicates the brightness of the color, light, dark, etc. The higher the brightness, the brighter the color.
"Saturation" indicates the depth of the color, the higher the saturation, the darker the color.
（Vivid" represents the color with higher saturation and brightness, and "Verdant Green" refers to the green color with higher saturation and brightness, representing the top color of emerald.
Oil content
According to Guild (Guild) gemological laboratory grading standards, emerald oil content graded as follows: None (no oil) - Insignificant (very slightly oil) - Minor (slightly oil) - Minorto Moderate (slightly oil to medium oil) - Moderate (medium oil) - Significant (heavy oil).
On the other hand, the GRS certificate classifies the oil content of emeralds as None - Insignificant - Minor - Moderate - Prominent - Significant.