A diamond charm ring, by JAR. photo: Christie's Images Ltd 2012. 

The diamond-set hoop suspending two taviz-cut diamonds, weighing approximately 16.98 and 15.31 carats, with diamond-set caps, mounted in platinum, 2004, in pink leather JAR case. Lot 13. Estimate CHF280,000 - CHF460,000.  Sold for $974,417

Christie's. Jewels for Hope: The Collection of Mrs Lily Safra 14 May 2012 Geneva