Szul cuts up to 67% off Diamond Pendants as part of its Diamond Pendant Blowout Sale. Plus, get an extra 20% off via coupon code "DIAMOND20". Even better, all orders qualify for free shipping. Deal ends February 1. Some best bets, with prices after coupon:

Diamond Knot 18" Pendant in .925 Sterling Silver for $24.16 ($125 off)

.25-Total Carat Weight Carat Three Stone Circle Pendant in 14K White Gold for $223.20 (pictured, $466 off)