This selection of women's engagement rings is 50-70% off at Macys.com. Plus shipping is free on orders over $99 and orders that include a beauty item. Otherwise, shipping adds a flat $10.95. These are some of the lowest prices we found. Choose from over 50 styles on sale, including the pictured Macy's Bridal Channel Set with 1ct T.W. diamonds, which drops from $3,199 to $1,299 shipped. Also, this Macy's Three-Stone Engagement Ring with 3/4ct T.W. diamonds drops from $2,000 to $599 shipped. Sales tax is charged in most states.