They can be the center stone in the solitaire placing, surrounded by diamonds or other colored gemstones, or used as facet stones to enhance a central diamond or gemstone. Madagascar: Madagascar is another notable source of yellow sapphires. The Ilakaka location in southern Madagascar is now renowned for its sapphire https://www.naturalpukhraj.com/blog/explore/which-stone-is-good-for-guru-or-jupiter