This is the budget for gifts that get worn. A fine chain, a small pendant or an initial suits birthdays, holidays, bridesmaids, a new job or a teenager's milestone, and because these pieces are light and simple, they slip into someone's daily routine instead of waiting for a special night.
If you do not know the person's taste well, go simple. One small diamond or a plain gold shape on a chain works with almost any wardrobe and any other jewelry they already own. Save bold, trend-driven designs for people whose style you know.
Pieces in the same budget can be made of very different metals, and the metal decides how long the gift lasts. Solid gold is gold alloy all the way through; 14K is the harder, more scratch resistant choice for daily wear. Gold vermeil is sterling silver under a layer of gold at least 10K, thicker than plating but not solid gold, and that layer can wear with heavy use. Sterling silver is 92.5 percent silver, bright and affordable, and it tarnishes over time but polishes back.
None of these is wrong. Just make sure the description says what you expect before you buy, so you can tell the recipient how to care for it.
On a modest diamond, cut does more for the look than size. A well cut small stone throws light across a room; a poorly cut larger one looks glassy. Color and clarity matter less at this size, because tiny diamonds show little tint and few visible inclusions, so put cut first.
If a piece carries several stones, the carat figure is usually total carat weight, the sum of every diamond. A cluster or a short row of small stones can look brighter than one single diamond of the same total. For more delicate ideas, browse small diamond necklaces.
Length is the one people get wrong. An 18 inch chain is the most worn length for a pendant and sits just below the collarbone, which makes it the safe default when you cannot ask. A clasp the wearer can open alone is worth checking too.
If you want to spread the cost, Rare Carat lets you pay over time with Affirm, Klarna, Afterpay, PayPal Pay Later or Katapult. Still deciding between a necklace and something else? The full jewelry under 500 range includes earrings and rings, and bracelets in the same budget make an easy pairing.