A timeless piece of fine jewelry is a worthwhile investment—it’ll never tarnish, you can wear it daily and it instantly upgrades your look. And though we all dream of a personal collection brimming with gorgeous, glimmering baubles, it’s not a realistic goal for every budget. Thankfully, it’s Net-a-Porter to the rescue, as the mega luxury e-tailer has joined forces with five of-the-moment jewelry brands to create elevated pieces that don’t cost a fortune. The new demi-fine category serves up beautiful options from Catbird’s delicate, whimsical stackers to Sarah & Sebastian’s one-of-a-kind modern designs. Shop our favorites here, because that treasure trove just may be written in the stars after all.