The Spouse: Prince Phillip, Duke of Edinburgh (married 1947) The Ring: A 3-carat round center stone flanked with 10 smaller diamonds. The Proposal: Though he was born royal, Philip's family was ...

Meanwhile, a ring with a classic toi et moi design set with a 3.68 carat old European-cut fancy gray-violet diamond and a 3.92-carat round colorless diamond fetched more than $1.1 million, well ...

* A 13.70-carat emerald-cut diamond ring by Tiffany & Co., of D color and VS1 clarity that sold for $1.15 million ($84,307 per carat), well above its $800,000 high estimate. 6.33-carat unmounted ...