Where there's an awards event, there are celebrities, and where there are celebrities, there are diamonds. The 12th annual Screen Actors Guild Awards (SAG) gave Hollywood's finest another chance to strut their stuff and sparkle down the red carpet.

While the SAG awards may not have the same name recognition as the Golden Globes or the Oscars, the big names in jewelry, including Cartier, Fred Leighton, Harry Winston, Neil Lane, Martin Katz and Chopard, were well represented.

Diamonds, especially diamond earrings, were the accessory of choice for many SAG attendees. Anne Hathaway, continuing the trend for vintage, opted for 19th century diamond drop earrings by Fred Leighton, which she coupled with Edwardian diamond hair combs. Reese Witherspoon, another vintage fan, also wore 19th century Fred Leighton earrings, which she accented with vintage brooches.

Read more about the designer diamond jewelry the stars wore at the 2006 Screen Actors Guild Awards at http://www.idexonline.com.