What is a cabochon or cab cut?

A cabochon or cab cut stone is a highly polished and shaped stone with a rounded or convex top and no faceting. It can have a flat or slightly domed base. Oval is by far the most popular shape cab cut but cabochons may be cut in any shape. Opals, turquoise,
onyx, moonstones, and star sapphire stones are almost always cut in cabochon. It is easier and less expensive to produce a cabochon than it is to cut a faceted gem. All gemstones were produced as cabochons before the art of faceting was developed.

Read More:

How to Wear Colorful Jewelry
Even women who love color are sometimes concerned about how exactly to wear colorful jewelry. It’s easier than you think! And certain to help make your personal style and flair shine through in a most distinctive and beautiful way.

Gemstones: Miraculous and Mysterious
Gemstones are all different. A gemstone is a mineral rock or petrified material that when cut or faceted and polished can be used in jewelry or is a collectible. Others are organic. Some are too fragile to be used in jewelry, but can be seen on display in museums. The most important attribute of gemstones is their appearance.