Liz jetted back to London on Sunday following a recent trip to New York, and was still without her engagement ring.
But despite the apparent issues in their relationship, the 44-year-old former sportman is said to be determined to save the couple's relationship, with friends claiming the romance shouldn't be 'written off' just yet.
On Wednesday the couple sent mixed messages on Twitter in the wake of their alleged split.
While Elizabeth appeared to confirm she and the cricketer were no longer together by telling her followers that the events were 'too raw and personal to share right now', Warne seemed to directly contradict her by insisting that the pair hadn't 'thrown in the towel just yet'.
