The France U-21 international has netted 15 times in all competitions this season, bringing him to the attention of leading clubs across the continent.
Stamford Bridge scouts have joined those in the stands at recent Hoops fixtures, and have been suitably impressed by what they have seen.
The mounting interest in Dembele is forcing his value to sky rocket, though, with it being suggested that a player Celtic snapped up for just £500,000 over the summer could now be worth as much as £40 million.
