The diamond was yellow. Bright yellow. "My first reaction was, 'absolutely not,'" says Michael Keefe, a Manhattan developer, recalling the hell grooms-to-be know so well.

Choosing the engagement ring, something that happens often this time of year, as Valentine's Day approaches.

Keefe had turned to Tom Shamy, a Manhattan jewelry designer, in search of something unique.

But yellow?

"Trust me -- she'll love it," Shamy told him.

She did. And she's not alone.

Read more about the trends in diamond engagement rings at http://www.sun-sentinel.com.