Archduke Joseph Diamond: $21.5 million
The Archduke Joseph Diamond was sold to an unknown bidder for $21.5 million in November 2012 by Christie’s in Geneva.
Since 1960, Pelagrino & Co is one of the top brand manufacturers for Diamond Engagement Rings, Wedding Rings, Loose Diamonds, Custom Designed Rings, Vintage Diamond Rings, Clarity Enhanced GIA Certified Diamonds, Earrings & Classic Bridal Jewelry with the highest quality of diamonds. We are a diamond & jewelry manufacturing company presenting the highest quality of craftsmanship while delivering the best product per your satisfaction.