Dreams dictionary: Ruby

Dreams dictionary: Interpretation 1
To see a ruby in your dream symbolizes passion, vitality and sexual desire. Be cautious in affairs of the heart as they may be fleeting. Alternatively, consider the proverb, "wisdom is better than rubies", which means that wisdom and knowledge is better than wealth and money. The dream may also be a metaphor for someone who is named Ruby.
Dreams dictionary: Interpretation 2
To see ruby slippers in your dream represent your path to spiritual enlightenment. You need to venture out on a journey in order to find who you are as a person.
Dreams dictionary: Miller Dream Interpretation
To dream of a ruby, foretells you will be lucky in speculations of business or love. For a woman to lose one, is a sign of approaching indifference of her lover.