Crocs takes 25% off sitewide during its Presidents' Day Sale. (Discounts apply in-cart.) Shipping adds $4.99, or get free shipping on orders of $24.99 or more. Deal ends February 20. A couple of best bets, with prices in-cart:
Kate Spade offers its Kate Spade Shake Things Up Heart of Gold Pendant in Pink Multi for $55 with free shipping. That's $23 off list and the lowest total price we could find. It features gold-plated metal, glass stones, lobster claw closure, and a drop length of 16".