A DealNews exclusive! Szul offers this 3/4-Total Carat Weight Diamond Halo Engagement Ring in 14K White Gold for $497 with free shipping. That's the lowest price we could find by $97 for a similar ring. This AGS-certified ring features 40 stones of K-L color and I2-I3 clarity, including a 0.46-carat center stone. It's available in sizes 4.5 to 10. Deal ends August 16.