The ring bearing a sapphire will take center stage at an upcoming jewelry auction at Phillips in Geneva, where it is expected to fetch up to CHF 480,000 ($600,000).
The piece centers a 19.93-carat Burmese sapphire and will lead the May 11 Geneva Jewels Auction: VI auction, Phillips said Wednesday.
The sale will feature historic jewels and objects from The Vanderbilt family, the kings of Bavaria and European Noble Houses alongside other pieces from famous design houses including Graff, Boucheron and Cartier.
Here are the rest of the top 10 pieces:

A Van Cleef & Arpels interchangeable zip necklace and bracelet features coral, chrysoprase and diamond.

The auction house is offering this ruby and diamond necklace.

A ring bearing a 14.69-carat Colombian emerald.

A pair of earrings sporting 12.31- and 12.69-carat Ceylon sapphires.

This Van Cleef & Arpels Les Jardins necklace contains sapphire, colored sapphire, garnet and diamonds.

A Bulgari demi-parure features colored sapphires, rock crystal and diamond.

Ear clips from M. Gérard comprising Burmese pink sapphire and diamonds.

A pair of Monture Cartier earrings, each centering a natural pearl in a diamond surround.

A pair of Van Cleef & Arpels earrings with rubies and diamonds.
Main image: The 19.93-carat sapphire ring that will lead the sale. (Phillips)



