As one of its daily deals, Amazon takes up to 75% off a selection of bridal rings and loose diamonds, with prices starting from $27.99. (Prices are as marked.) Plus, Prime members receive free shipping. (Non-members can qualify for free shipping with orders of $35 or more.) Deal ends today. A couple of best bets:

• Men's Black Titanium Comfort-Fit Wedding Band from $46.99 ($43 off)
• Women's 14K Gold Traditional Plain Wedding Band from $70.99 (pictured, $129 off)