My friend just had her 30th birthday, and while a gift of jewelry is sometimes cliché, or best left for the significant other, I think jewelry is the right present to mark big moments - graduations, weddings, babies, milestone birthdays, etc. So, for her birthday, I got her this gold monogram necklace:
These are so hot right now. I see all the ladies wearing them, both in necklaces and earrings, and I just love them. Get your hands on one now. You surely will not be disappointed. It's a timeless piece.