After being on the receiving end of an “aww”-some proposal on the season finale of ‘American Idol‘ last night, details on Diana DeGarmo’s engagement ring have been revealed.

Ace Young presented the sparkler to his girlfriend on the ‘AI’ stage, which was befitting since that’s where both stars got their start. According to Us Weekly, the David Webb ring was co-designed by Young and features a 1-carat yellow stone with two side diamonds weighing .2 carats. It is set in 18-karat yellow gold and platinum.

“A month ago, she said, ‘Gold needs to come back’,” the 31-year-old singer tells PEOPLE. “I was like, ‘I agree,’ so mental note. Her favorite thing is a sunflower and she loves yellow, so one of our dear friends [helped me] put together a ring that has a yellow diamond, a gold band and two smaller diamonds on the side that are clear, so it’s like a sunflower.”

On Wednesday’s season finale of ‘American Idol,’ Young took the plunge and romantically proposed on camera. “I love you to death. You’re my best friend,” he said. “I want to make this last forever and I will do anything in my power to have the most … amazing life together if you will have me. Diana Nicole DeGarmo, will you marry me?” Her answer was a tear-filled yes.

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