Job 28:18
No mention shall be made of coral, or of pearls: for the price of wisdom is above rubies.
Nave's Topical Index—AKJV

Proverbs 20:15
There is gold, and a multitude of rubies: but the lips of knowledge are a precious jewel.
Nave's Topical Index—AKJV

Proverbs 31:10
Who can find a virtuous woman? for her price is far above rubies.
Nave's Topical Index—AKJV

Lamentations 4:7
Her Nazarites were purer than snow, they were whiter than milk, they were more ruddy in body than rubies, their polishing was of sapphire:
Nave's Topical Index—AKJV