There are a few things you need to consider when choosing a yellow sapphire, including your astrological sign. Each sign has a ruling planet, and yellow sapphires are traditionally associated with Jupiter. If Jupiter is well-placed in your birth chart, then a yellow sapphire may be a good choice for you. However, if Jupiter is not well-placed, then you may want to choose another stone. Other factors to consider include the quality of the stone and the size. You'll want to make sure you're getting a high-quality stone that is large enough to make an impact. Once you've considered all of these factors, you'll be able to choose the best yellow sapphire.