Brilliant

brillante

(shining brightly)

brillante

(of a colour: both light and saturated)

brillante

(of surpassing excellence)

brillante

(magnificent or wonderful (primarily UK usage))

brillante

(highly intelligent)

di successo

(highly intelligent)

eccezionale

(magnificent or wonderful (primarily UK usage))

fantastico

(of surpassing excellence)

geniale

(highly intelligent)

luccicante

(shining brightly)

lucente

(shining brightly)

meraviglioso

(magnificent or wonderful (primarily UK usage))

sgargiante

(shining brightly)

splendente

(shining brightly)

squillante

(of a voice or sound: having a sharp, clear tone)

superlativo

(of surpassing excellence)

talentuoso

(highly intelligent)

brillante

(cut gemstone)

gemma

(cut gemstone)

perla

(4-point type)

pietra preziosa

(cut gemstone)