Amazon cuts an extra 30% off a selection of fine jewelry via coupon code "FINEJEWELS". Plus, most orders qualify for free shipping. Brands include Gurhan, Alex Woo, Myia Passiello, Tara Pearls, and more. Deal ends April 2. A couple of best bets after coupon: Note: The coupon is only eligible on items shipped and sold by Amazon.com.

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