Owninga gemstone in a dream could mean buying one in real life. (Also see Carnelian-red | Ring)
Dream dictionary: Gemstone dream meanings
…In a dream, a ring represents peace, tranquility, authority, a wife, a child, or a job, the reward of which will equal the value and size of the gemstone which is placed on it. If one’s wife is pregnant, and if he sees himself wearing a golden ring in a dream, it means that she will give birth to a son. The king’s ring in a dream represents his kingdom. Cutting off a tight ring with a pair of pliers in a dream means the end to one’s authority. Any incrustations on one’s ring in a dream represent his goals. If the gemstone of one’s ring falls in a dream, it may mean the death of his child, or the loss of his business. A broken ring in a dream means divorce. Wearing a ring made of iron in a dream means that one will receive benefits though with…
If sapphire appears in a dream being in any shape, or the dreamer sees this beautiful gemstone, then it is usually a clear sign that he will receive a favor or possible gifts, or valuable friendships that will be formed or improved.
If you saw the citrine gemstone in a dream, then it shows the power and force you have within yourself. Make sure you do not lose the power and stimulus to move on.
As a gemstone its considered a symbol of happiness in sentimental aspects, so its appearance in a dream is considered a harbinger of intense love that will give us satisfaction.