Rubies are considered one of the most expensive and rarest gemstones in the world. The crimson red color of ruby makes it unique and attractive to people. Ruby is also called the sister stone of sapphire because both are made from the same mineral - corundum. The red color of ruby is the result of the natural presence of chromium in the mineral corundum.
However, time has been a witness to some of the auctions of famous jewelry with rubies. Let's take a tour to know the top 7 most expensive ruby jewelry in the world.