Logan Sapphire

Among the worl'd largest know faceted blue sapphires, this extraordinary stone is the heaviest mounted gem in the National Gem Collection. It is framed by 20 diamonds totaling 16 carats. The donor wore this brooch as a shoulder pin.


  • Title: Logan Sapphire Ruby and Sapphire Gems
  • Location: Sri Lanka, Asia
  • 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: 423.00ct
  • USNM Catalog Number(s): G3703
  • Photo Credit: Chip Clark, Smithsonian Institution National Museum of Natural History
  • Field: Mineral Sciences
  • Fassion: Cushion Mixed
  • Color: Medium Blue

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