WinPearl offers this 7.5mm AA+ Black Freshwater Pearl Necklace for $16.99. Coupon code "dealnews40" cuts it to $10.19. With free shipping, that's tied with last week's mention, $20 off list, and the lowest total price we could find. This 17" necklace features a white gold-plated clasp. Deal ends December 29.
Note: It's not guaranteed for delivery by Christmas.