Colored gems, also known as colored gems, commonly known as Caibao in China, is the floorboard of all colored gems in the gem family except diamonds. Red gem ring is a kind of gem composed of dozens or even hundreds of gems, so there are many of them. We usually see the most colored gems, such as crystal, agate and amber. The most expensive colored gems is ruby, sapphire, emerald and cat's eye, which ranks alongside diamonds as the five rare gems in the world. Mid-range colored gems, such as aquamarine and tourmaline, has been sought after by collectors in recent two years because of its bright colors and auspicious meanings. —— From Yu Yi Financial Report: baoshi.cc