Product Spotlight Blue Nile Blue Nile is an exemplary destination to find your next diamond ring on sale. Ahead of Black Friday, you can score 30% off sitewide on the stunning jewelry you’ve ...

Unlike the clear diamonds of engagement rings, which are single crystals, black diamond consists of aggregations of individual crystals, which lend the gem its dark color. The largest diamond ever ...

Selena Gomez is engaged, and we're obsessed with her marquis cut engagement ring, a popular choice among the celebrity and high society set.