As one of its daily deals, Amazon takes up to 75% off a selection of wedding and engagement jewelry. Plus, all orders bag free shipping. Deal ends today. A couple of best bets:

• Amazon Collection 14k White Gold, Aquamarine, & Diamond Ring for $217.99 (pictured, $652 off)
• Amazon Collection Round Solitaire Diamond Engagement Ring for $238.99 ($511 off)

Orders placed by December 22 are guaranteed to arrive in time for Christmas via Prime shipping; otherwise, choose standard shipping and place your order by December 19 for guaranteed delivery.