Sapphires are a type of gemstone that comes in a variety of colors. While most of them are blue, there are also pink, yellow, green, and purple sapphires. The most expensive colored sapphire is the Padparadscha Sapphire. It is a rare type of sapphire that comes in shades of pink or orange with violet or pink undertones. The color is so rare because it requires intense heat treatment to create the color variation. Sapphires are often called the gem of gems. They are a symbol of love and eternal affection. Sapphires have been around for a long time, but they've only been popular in the past couple hundred years. It's thought that this is because they were used as a substitute for diamonds in jewelry during World War II when diamonds were scarce. The name "sapphire" comes from the Latin word "sapphirus" which means blue. This is because sapphires can come in many colors, including blue, purple, pink, yellow, green, and orange. Sapphires are usually b...