Sun (Ravi). A Ruby gives name, fame, vigour, virture, warmth and the capacity to command. A Ruby wearer can except speedy success in lesser time than expected. Being the Gem for Sun, the Ruby is considered as effective in getting success in all fields of life. It improves the relation with the business superiors and family members. It is the best gem to maintain a proper marital relation and also helps in attracting each other.