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Lot 11. A diamond ring, by Hemmerle. Estimate USD 30,000 - USD 50,000. Price Realised USD 52,500 © Christie's Images Ltd 2016. 

Bezel-set with an old-cut diamond, ring size 5 3/4, mounted in brushed 18k white gold. With maker's mark for Hemmerle

The Collection of Robert and Sylvia Olnick  

 

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Lot 12. A pair of diamond ear clips, by HemmerleEstimate USD 20,000 - USD 30,000. Price Realised USD 27,500 © Christie's Images Ltd 2016. 

Each centering upon a bezel-set old-cut diamond, 3/4 in., mounted in brushed 18k white gold. With maker's mark for Hemmerle

The Collection of Robert and Sylvia Olnick  

Christie's. Magnificent Jewels, 7 December 2016, New York, Rockefeller Plaza