Famous Emeralds

Gachala Emerald (origin: Colombia)
The Gachala Emerald is an uncut 5-cm emerald crystal weighing 858 carats (172 g). The stone was found in 1967 at Vega de San Juan mine in Colombia and is named after the mining district where it was discovered. Now in the United States, it was donated to the Smithsonian Institution by the New York jeweler, Harry Winston.



Chalk Emerald (origin: Colombia)
The Chalk Emerald is a 37.82 carats (7.56 g) Colombian emerald.

It originally weighed 38.40 carats (7.68 g), but was recut and set in a ring, where it is surrounded by sixty pear-shaped diamonds (totalling 15 carats (3.0 g), by Harry Winston Inc. The ring is housed in the National Gem and Mineral Collection at the Smithsonian Natural History Museum in the United States and was donated to the museum by Mr. and Mrs. O. Roy Chalk in 1972.

Duke of Devonshire Emerald (origin: Colombia)

The Duke of Devonshire Emerald gets its name from the 6th Duke of Devonshire, William Cavendish, who according to one version, received the enormous gemstone as a gift from the first emperor of Brazil, Don Pedro I, the son of King John VI of Portugal, but according to a second version purchased the gemstone from the emperor.

The Duke of Devonshire Emerald is a terminated hexagonal-shaped crystal discovered from the mines of Muzo, Santa Fe de Bogota, in Colombia, reputed to be the premier source of the world's finest emeralds. It is an exceptional deep-green emerald, with perfect transparency in certain areas, but heavily flawed in other areas. The emerald that measures 5 cm across the pinacoid also has a height of about 5 cm, and weighs 1,383.95 carats. The emerald had a reputation as the largest and finest uncut emerald in existence.

Mackay Emerald
The stunning 167.97-carat Mackay Emerald was mined in Muzo, Columbia. The largest cut emerald in the National Gem Collection, it is set in an Art Deco diamond and platinum necklace designed by Cartier Inc. In 1931, Clarence H. Mackay presented the necklace as a wedding gift to his wife, Anna Case, a prima donna of the New York Metropolitan Opera from 1909 to 1920. The piece was donated to the Smithsonian Institute by Mrs. Anna Case Mackay in 1984. Source: The National Gem Collection by Jeffrey E. Post.

QVC, Smithsonian partnering on jewelry line

April 09, 2010 Washington--In what may seem like an unusual pairing, multichannel retailer QVC is teaming up with the Smithsonian Institute to create a line of fashion jewelry inspired by the museum's collection of iconic pieces.

In a news release issued Friday, the Washington, D.C.-based Smithsonian, the world's largest museum and research complex, announced it was entering into a licensing agreement with QVC to offer a jewelry collection based on objects in the National Gem and Mineral Collection, which is part of the National Museum of Natural History. The QVC-Smithsonian collection is expected to launch this fall.

The National Gem and Mineral Collection contains more than 375,000 individual specimens, and counts among its ranks world-famous pieces such as the blue Hope Diamond and the Marie Antoinette Earrings, as well as a research and mineral collection used by scientists around the world, the release states.

The line with QVC will include earrings, rings, bracelets, pins and brooches, as well as replicas of pieces in the museum's collection.

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