gem

A precious stone, usually of substantial monetary value or prized for its beauty or shine.

And on her head she wore a tyre of gold, Adornd with gemmes and owches wondrous fayre, Whose passing price vneath was to be told;

Of six preceding ancestors, that gem, Conferr’d by testament to the sequent issue, Hath it been owed and worn. This is his wife; That ring’s a thousand proofs.

Any precious or highly valued thing or person.

She's an absolute gem.

Standout “Hidden Knives” is the kind of new wave-leaning punk gem John Hughes would’ve loved, while “So Beneath You” is a teeth-baring, roiling tune.

Anything of small size, or expressed within brief limits, which is regarded as a gem on account of its beauty or value, such as a small picture, a verse of poetry, or an epigram.

a gem of wit

A gemma or leaf bud.

c. 1668, John Denham (translator), Of Old Age by Cato the Elder, Part 3, in Poems and Translations, with The Sophy, London: H. Herringman, 4th edition, 1773, p. 35, Then from the Joynts of thy prolifick Stemm A swelling Knot is raised (call’d a Gemm)

Among the crooked Lanes, on every Hedge, / The Glow-Worm lights his Gem […].

A geometrid moth of the species Orthonama obstipata.

To adorn with, or as if with, gems.

[T]he fair star / That gems the glittering coronet of morn, / Sheds not a light so mild, so powerful, / As that which, bursting from the Fairy's form, / Spread a purpureal halo round the scene, / Yet with an undulating motion, / Swayed to her outline gracefully.

A few bright and beautiful stars gemmed the wide concave of heaven[…].

A native or resident of the American state of Idaho.