from the rules translation:

das Kollier (English = The Necklace.)

Through the buying of gems, everyone composes as precious a necklace as possible. The player with the most valuable necklace wins.

1st Place 1999 Hippodice Spieleautorenwettbewerb.

Game is about making a necklace out of gem cards. Each player starts with money and as gems are displayed they are auctioned off. 2 different types of auctions exist a conventional one where prices rise and one that works in the opposite direction from which prices are fixed by the auctioneer.