An oval 3.21 unheated Burma ruby sells for $150, 514 per carat or $483,153 at Bonham's Hong Kong Jewels, June 20, 2021.

It was mounted in a signed Van Cleef & Arpels 18K gold ring with 1.40 of small diamonds.

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  • An oval 3.21 unheated Burma ruby sells for $150, 514 per carat or $483,153 at Bonham's Hong Kong Jewels, June 20, 2021.

  Jul 8, 2021   rgenis


That is a great deal of money for a three carat ruby.  Mogok Burma rubies continue to skyrocket in the auction markets.  
Regretfully, this stone didn't have an AGL grading report so it's pretty difficult to get a handle on color/tone grade, clarity, brilliancy and cutting/finish of the gemstone.
Gem came with Gubelin, SEEF and GRS reports.  All three of these labs call almost every stone 'pigeon blood', so their grading is almost meaningless. It's also very difficult to grade a gemstone via a computer screen.  Nevertheless, I would guesstimate the stone is 'pigeon blood' or 70% red or 2.5 color at AGL from the Bonham photos.
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