If you feel that you are running out of time and your party is just few days away: just log onto to Neiman Marcus online, where you will definitely find something that will make you buy it right away:
Ladies check out these three designer necklaces all done in colorful gemstones. The prices may be a bit high than your budget but they are some real classy pieces that can be stored for future occasions as well.
Fluorite & Shell Necklace: $525.00
Amazonite Necklace: $445.00
Three-Row Amazonite Necklace: $345.00