Kate Middleton's had an on-again, off-again relationship with her engagement ring for a year. What's the royal secret about ...

From sparkling multi-million-dollar diamonds to custom designs, here are the most expensive diamond rings in the world that redefines luxury.

You can find a high-quality, affordable engagement ring if you know where to look. Here's where our editors recommend ...

Blue Nile Jewelry is offering 25% off engagement rings and fine jewelry. The sale includes a variety of styles, including a yellow-gold ring with a marquise diamond similar to one recently seen on ...