Szul offers this 0.5-Total Carat Weight Diamond Three-Stone 10K White Gold Ring for $289 with free shipping. That's $95 under the lowest total price we could find for a similar ring setup. It features a 0.25-carat center diamond flanked by two 0.10-carat diamonds and eight side stones. It's available in most sizes from 4.5 to 10. Deal ends April 21.