Grey’s Anatomy has a rare treat in store. Three of their series regulars are getting married at the same time.

Ellen Pompeo got a 3.35 carat emerald cut diamond and platinum ring from Tacori.

Kate Walsh received a diamond engagement ring from Neil Lane of over 4 carats. The diamond came from his personal collection of historical jewels. It was a Jubilee Cut.

Katherine Heigl got a Ryan and Ryan 3 carat pear-shaped diamond engagement ring. The ring is flanked by pave diamonds. Half of the Platinum Band is from her mother’s engagement ring. They will be getting married December 23, 2007.

Funnily enough, or perhaps inspired by their cast, Grey’s Anatomy had a wedding within the show. Sandra Oh’s character got married to Isiah Washington’s character.

Here are some relevant links to articles and pictures:

Articles:

• Kate Walsh flashes engagement ring
• Look at Kate Walsh’s engagement ring
• Kate Walsh announces her engagement
• Ellen Pompeo shows off engagement ring
• Happy couple Ellen Pompeo and Chris Ivery
• Best Katherine Heigl fan site
• Video clips of Katherine Heigl being interviewed for Knocked Up & her engagement ring
• Knocked up promo gallery with Katherine Heigl’s engagement ring

Pictures:

• Kate Walsh engagment ring
• More Kate Walsh engagement ring, 2, 3, 4, 5, 6
• Ellen Pompeo & Chris Ivery
• Katherine Heigl in US Weekly, engagement announcement
• Ellen Pompeo with Kate Walsh
• Kate Walsh on set during Grey’s Anatomy fictional wedding
• Katherine Heigl ring

Our own picture gallery after the jump