But, they warn it's impossible to confirm a value from a single photo. One thing's for sure: the antique elongated cushion-shaped stone is certain to drive ring trends while putting extra pressure on prospective grooms.

Learn all about the old mine cut diamond, the stone found on Taylor Swift’s engagement ring from Travis Kelce.

Taylor Swift and Travis Kelce announced their engagement on Aug. 26 on Instagram. Jewelry experts are weighing in on the possible value of her ring, with one saying it could be worth up to $1 million.