It’s all about the details that make the best moves.

This was done earlier in the month Dancing With the Stars fans rejoiced when judge Derek Hough and longtime girlfriend Hayley Erbert They announced their engagement. While many of the details behind the proposal remain top-secret, the couple is happy to share the story behind that stunning ring.

“I took me months to find, it genuinely did,” Derek exclusively told CelebHomes News at the Critics Choice Real TV Awards on June 12. “I looked everywhere and found this gorgeous ring, and it’s my favorite. It’s flawless.”

Derek could not do it on his own. Derek was quick to credit the professional dancer. Chau Lui, co-owner of Paris Jewellers, for designing the bling that is four and a half carats.

Derek stated, “I FaceTimed her and interviewed quite a few people.” She said, “But her enthusiasm and passion were incredible. I said, ‘I trust you.'”