As one of its daily deals, Amazon cuts up to 75% off a selection of jewelry. (Prices are as marked.) Plus, Prime members receive free 1-day shipping on all orders. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping starts at around $5.) Deal ends today. A couple of best bets:

• Shades of Amethyst and Diamond Accent Heart Pendant Necklace for $29.99 ($80 off)
• Sterling Silver and Diamond Heart Key Necklace for $44.99 (pictured, $125 off)