Mackay Emerald and Diamond Necklace
Smithsonian National Museum of Natural History
Washington, DC, United States
This huge emerald is set in an art deco diamond and platinum pendant designed by Cartier. In 1931, Clarence Mackay gave the necklace as a wedding gift to his wife, Anna Case– a prima donna at the New York Metropolitan Opera from 1909 to 1920. The Mackay emerald, with a weight of 167.97 carats, was mined in Muzo, Columbia, and is the National Gem Collection's largest cut emerald. The emerald is set in a pendant-style platinum necklace, accented by an additional 35 emeralds and 2,191 diamonds. Mrs. Anna Case Mackay donated the necklace to the Smithsonian Institution National Museum of Natural History in 1984.
- Title: Mackay Emerald and Diamond Necklace
- Location: Muzo, Colombia, South America
- Type: Jewelry
- Rights: This image was obtained from the Smithsonian Institution. The image or its contents may be protected by international copyright laws. http://www.si.edu/termsofuse
- External Link: View this object record in the Smithsonian Institution Collections Search Center
- Weight: 167.97ct
- USNM Catalog Number(s): G9775
- Photo Credit: Chip Clark, Smithsonian Institution National Museum of Natural History
- Field: Mineral Sciences
- Fassion: Modified Oval Brilliant
- Color: Medium Blue Green
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