WASHINGTON — Taylor Swift and Travis Kelce announced their engagement on Tuesday, showing off the ring that the Kansas City Chiefs' tight end popped the question with in a joint Instagram post.

And the ring is MASSIVE.

The diamond is an old mine brilliant cut, said Tree Paine, Swift's publicist. She provided no further details. Old mine brilliant cuts are square-shaped with rounded corners. Swift's is set in yellow gold.

Such diamonds usually have 58 large facets and the style dates to the 18th century. The bulky nature of the cut was intended to sparkle by candlelight.

There are no details available yet about its actual size or specifics about it, but the diamond is an emerald cut (roughly rectangle shaped) and looks to be about the size of Travis Kelce's thumbnail seen in the pic

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