Book excerpt: Who are you! Where do you come from? Why are you here? What is your life mission? Did you know that as all human beings created by "The Source of all Life", you are a Diamond that wants to shine? This can be done by being aware of all your facets and by expressing them in their best possible form so as to gradually become the best version of yourself. The Birth Diamond is based on sacred karmic evolutionaly Hindu Numerology. It is an astronumerological chart based on your first name, your family name and your date of birth. It is a very relevent and effcient Self-knowledge tool for private people, therepists, numerologists, astrologers and human resource managers. It reveals your soul's structure and evolution plan thougth 24 "houses". It gives you "keys" and describes your various facets, especially your unknown ones, like a GPS of your inner life. It can greatly help you to answer the above questions and many more. In this book + workbook, you can learn how to build and interpret the Birth Diamond. You can discover your strength, your wealth and your resources, your challenges and contradictions, what you need to adapt and find your place in society, what you inherited from your parents, your deep self and your creative power, your technical abilities and recuring difficulties, how you relate to others, your solutions to generate progress, your "life path", your genealogical keys, your motivation and how you can blosom. Then, using simple coaching exercices and visualization, you can all upon the numbers and images used to represent them to help you reach your previously defined goals.