The ring that Princess Diana's brother, Charles Earl Spencer, gave to his first wife, Victoria Lockwood. The crownie thing on top is a bit much - if you removed it, the ring would be such a pretty heart ring!
The Graff Pink Diamond, weighing carats. The diamond is emerald cut with rounded corners, and is mounted on a platinum ring with two flanking shield-shaped diamonds. The most expensive jewel ever sold, to date.