The 'Someone Like You' singer was photographed wearing a gold diamond cluster ring on her wedding finger at the Brits last night (February 21).
Adele, who began dating Konecki in January, has only started wearing jewellery on that finger recently, according to OK Magazine.
It was claimed this weekend that Konecki had planned to propose to the singer during her birthday in May.
"He knows she's 'the one' and Simon's pals have never seen him so happy," a source said at the time. "He's like a different person."
Adele took home two awards at the Brits last night, triumphing in the 'British Female Solo Artist' and 'British Album' categories.
She caused a stir by swearing at the camera when her acceptance speech was cut short and ITV later apologised for its decision to usher her off.
Watch Adele perform 'Rolling In The Deep' at the Brit Awards below:
See pictures from the Brits below: