Just for today, Blue Nile takes 25% off select pendants. This sale features five gorgeous pendants that vary in price from $325-$1400. The Platinum Diamond Heart Pendant is marked down from $1290 to $965 and features 22 prong-set diamonds in platinum (.5 cttw). FedEx 2-Day Air is free for orders under $500 and Overnight shipping is free for orders over $1000 (both options guarantee delivery by Christmas). This holiday deal also comes with free gift packaging and an extended return policy.