Travis Kelce and Taylor Swift sent the world into a frenzy on Tuesday when they announced their engagement in a joint Instagram post. The veteran tight end went all out, giving the pop sensation a big rock to seal their engagement.Swift gave fans a look at her new, shiny ring. The singer posted a carousel that showed Kelce down on one knee while the couple was surrounded by flowers. She added a fun caption to complete the announcement."Your English teacher and your gym teacher are getting married," she wrote. View this post on Instagram Instagram PostThe third slide of the post gave fans a closer look at the engagement ring, which was created by Kindred Lubeck with Artifex Fine Jewelry, according to USA Today Network. The ring is an Old Mine Brilliant Cut diamond that features a gold band with a large bezel. According to jewelry expert Tobias Kormind, rings of this kind cost upwards of $675,000.In comparison, Kelce's most recent Super Bowl ring, which cost the Kansas City Chiefs $40,000 per piece, has a silver band with 529 diamonds and 38 rubies. The Chiefs' ring was manufactured by Jostens.Kelce and Swift have been dating since 2023. While their romance hasn't been exempt from criticism, they have remained close, showing off their love for one another whenever they've had the chance.Travis Kelce shared how he and Taylor Swift fell in loveIn an Aug. 12 GQ profile, Travis Kelce shared details of his relationship with Taylor Swift. The tight end said that they found each other "organically" and connected deeply despite the attention their relationship received from the media."When there is not a camera on us, we're just two people that are in love," Kelce said. "It can be perceived as something else because of how much it is talked about and how much we are tracked whenever we do go out, but … it happened very organically. Even though from a media standpoint it was being tracked, it still happened very organically."