The preview for Sunday’s three-hour finale may have revealed which of the four remaining Survivor Guatemala contestants wins immunity and advances to the final three.
One of the final four is clearly wearing the immunity necklace when Jeff Probst reveals to them the final vote; it’s a clear shot of Jeff’s back and the four survivors sitting on their stumps. All of this assumes, of course, that the footage is actually from Sunday’s episode, which it appears to be.
The person wearing the necklace is (highlight to read) Rafe
And here’s an image from the preview.