Exclusively for our readers, this 'Dad' Onyx Flip Ring with Diamonds in Sterling Silver drops from $179 to $459 to $29 with the code BRADS at Jewelry.com, plus it ships free. This is the best price we could find by $10. The ring measures 3/4 by 9/16 inches and flips to either reveal 'Dad' or a shiny onyx. Plus, buy 2 or more items and save an additional 10% on your total order, which would drop the price to $26.10. There's no sales tax (except AR, CA, CT, FL, and NY).