Definitions for "Incomparable"
Not comparable; admitting of no comparison with others; unapproachably eminent; without a peer or equal; matchless; peerless; transcendent.
such that comparison is impossible; unsuitable for comparison or lacking features that can be compared; "an incomparable week of rest and pleasure"; "the computer proceeds with its incomparable logic and efficiency"; "this report is incomparable with the earlier ones because of different breakdowns of the data"
A large diamond weighing 890 carats in its rough state, 407.48 carats polished, the third largest diamond ever cut.