She probably means this sort of medallion or cross with a necklace. If you look at the website below, any similar to those should do: The golden charms or medallions the Poles wear usually have a religious association, hence Jesus, Mary, the cross, a...
I've tried looking for it on swarovski site but just can't find that particular item. Anyway, here's the site. There do have other lovely pendants and necklaces : Sorry I can't locate it but hopefully you might find something you like. Good Luck.
I think that for certain occassions a necklace is too much. With long dangly earrings, a beautiful dress, a sexy hair style, and some rockin heels you have all you need. If you put a big diamond necklace on it takes away from all the other details of...