Taylor Swift is engaged and bejeweled: What we know about that rock on her ring finger

Travis Kelce and Taylor Swift are engaged , and Swifties everywhere had an immediate follow-up question: What are the details of the ring?

The massive diamond that now rests upon Swift's left ring finger is set in yellow gold, its bright sparkle featured in the couple's engagement announcement on Instagram .

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NBC News can confirm that Kelce purchased the ring — which features four prongs and a button back, or a small bezel around the stone — at Artifex Fine Jewelry , an online jeweler that claims to craft jewelry with natural stones.

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The ring is an old mine brilliant cut — or an antique elongated cushion — that is approximately 8 to 10 carats, Stephanie Got