Top, $650, Vera Wang. Necklaces, from top: Floral necklace, price upon request, Penny Preville; leaf necklace, price upon request, Tiffany & Co.; Art Deco necklace, $450, House of Lavande; crystal-ball necklace, $700, crystal collar necklace, $1600, Janis by Janis Savitt. On eyes: Clinique Kohl Shaper for Eyes in Black Kohl.
You should buy what you can afford — and know what exactly that means before you step foot in a jewelry store. Only you know what you can comfortably spend so make sure you have a number in mind before you start to look. If you find yourself wondering how many months of rent you can get away with skipping, you're getting carried away. Spend within your means and you'll be less likely to come away with regrets.