Dream about diamonds breaking is a harbinger for remembrance. You need to start thinking things through for yourself. You are in complete control of your life. This is a metaphor for your fears that he or she can see the truth about you. You are not afraid of confronting obstacles that may stand in your way.
Diamonds breaking dream signals some money matter. Perhaps you are behaving immaturely in some situation. You need to evaluate a situation more thoroughly. The dream is an indication for your relationship with somebody and how you feel about her/him. Perhaps you need to let go of a bad relationship.
If you dreamt about diamonds breaking:
Once you have formed an opinion, you usually stick to it. Your goal in life is to develop true self- confidence that comes from within. Your independence of thought enables you to find the right path leading to a good balance, but you tend to easily lose it in a moment of eccentricity. The best practice to combat this is regular yoga: the gentle firming up of your muscles accompanied by the gentle release of negative energy.