120 Walker St between Baxter and Centre Sts, suite 4R. Subway: A, C, E, 1 to Canal St. New York jewelry designers Jill Martinelli and Sabine Le Guyader’s bold baubles are 30 to 70 percent off. Get gold-plated bronze rings for $95 (were $180), triangle-shaped cuffs, sliced from $225 to $175; and crushed bismuth crystal necklaces for $160 (usually $265). Look out for one-of-a-kind items marked just $50. Grab some cash—credit cards will only be accepted for purchases more than $100.