On the forefinger of my left hand they can see the most exquisite diamond ring that they ever did see.

exquisite 是形容词，由前缀 ex-（表示"完全、彻底"）和词根 quisit（来自拉丁语 quaerere，意为"寻求、要求"）组成，字面意思是"经过精心挑选的"。引申为"精美的、精致的"，形容物品做工精细、品质上乘。