Rare Untreated 2.31 Carat Colombian Emerald Diamond Ring For Sale
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Rare Untreated 2.31 Carat Colombian Emerald Diamond Ring


Circa 1925 This vintage French platinum (head) and 18K white gold (shank) engagement ring features a very rare untreated 2.31 ct Colombian emerald. The cushion cut emerald is extremely clean and full of life. The center stone is framed by chunky old European cut diamonds (H-I color, SI clarity). Estimated total diamond weight is 1.12 ct. The emerald measures 9.60 x 7.40 x 4.30 mm. Majority of emeralds are treated to reduce the visibility of fissures. According to one Colombian emerald dealer, less than 0.1% of of all Colombian emeralds are not treated. The ring is marked with French eagle’s head and dog’s head assay marks for gold and platinum. The emerald and diamond top measures 15 x 13 mm (5/8 x 1/2 in.) Ring size 7.5 (18 mm) sizable The ring comes with AGL Prestige Gemstone Report No. 1089832 for the emerald.


  • Creator
  • Place of origin
  • Date of manufacture
    c. 1925
  • Condition
  • Wear
    Wear consistent with age and use.
  • Seller location
    Chicago, IL
  • Reference number

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1stdibs seller since 2012
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Located in Chicago, IL
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