Following are a number of back-translations as well as a sample translation for translators of Proverbs 25:12:

• Kupsabiny: “A word which a wise person says is good. When it happens that a person listens to (it), it beats earrings and other beautiful things which are made of gold.” (Source: Kupsabiny Back Translation)
• Newari: “The rebuke of a wise man
  is more precious than a gold ornament.” (Source: Newari Back Translation)
• Hiligaynon: “The rebuking of a wise man to a man who likes to listen is more precious/valuable than the golden jewelries.” (Source: Hiligaynon Back Translation)
• Kankanaey: “The listening-to good advice, it-can-be-compared to gold jewelry or earrings.” (Source: Kankanaey Back Translation)
• English: “When a wise person rebukes/warns someone who is willing to listen,
  that is as valuable as a gold ring or a gold chain.” (Source: Translation for Translators)