EPISODE IV: A NEW HOPE  Attire:   White Gown Silver Belt Silver Shoes Accessories:  Silver Necklace Ceremonial Medals

ACCESSORIES:

The necklace worn by Princess Leia is titled "Planetaariset Laaksot" which means "Planetary Valleys" and was made by Lapponia of Helsinki. It was the creation of jewelry designer Björn Weckström. When Lucasfilm purchased the necklace the designer wasn't told what the film was about and was surprised to see his necklace worn by Carrie Fisher in a movie, which "later became a cult". *

Additional Information:

Design: Planetaariset Laaksot (Planetary Valleys)
Year Introduced: 1969
Produced from 1969-1981
Material: Sterling Silver (matte finish)
Size: Approx. 16 inches long, 1 inch wide

* Info from an article in the Finnish magazine "NYT" Thanks to Santeri Tenhovirta of Finland for reporting it.