Unlike other gemstones which are mineral origin, coral is organic origin. Coral is found deep under sea water.  Coral is formed from organic, called polyps. When the polyps are dead the skeletons of these polyps are used for the formation of gemstones. Coral are very sensitive in nature and its hardness is 3.4 to 4. 

Coral is found only in tropical to subtropical environments. Regions producing coral include the Red Sea, the Midway Islands, the Canary Islands, the Taiwan and Malaysian Coast, the coast of Australia, Italy, (Sardinia), and Hawaii. Coral contain calcium carbonate, which is very helpful for bones. It comes in a wide range of colors, with black, red and pink considered the most valuable.

Many people think that coral must be protected or in danger species. However, some of the threats monitored by the international law. Some type of coral grows very slowly, at the expected rate of three centimeters every 20 years. Other branching estimated to grow 10 centimeters each year. 

Different cuts in coral stone

Different cuts are generally found in coral gemstone are.

Round cut coral stone

Round cut is one the famous shape of coral gemstone. Round cut stone appear very beautiful when it is used at the front of rings, necklace, bracelet or pendants.

Princess cut coral stone

The princess cut coral stone appear sober and delicate because of its exact square shape cut and excellent polishing. A princess cut coral stone disparate all the inclusion and impurities from the stone. Because of  its distinct cut of the stone it appears best. 

Asscher cut coral stone

The Asscher cut coral gemstone is cut in different steps consequently and look vary appreciably when it is used in an engagement ring. Moreover, the brilliant quality and clarity of this stone attract everyone. The price of the Asscher stone is very high. 

Emerald cut coral stone

An elegant cut of the emerald is range from square to narrow rectangular shapes. Emerald cut stone also known as step cut or table cut design. As we discuss about gemstone and diamond emerald cut is capable to boost up the color and also provide dazzling reflection.

Pear shape coral stone

The pear shape is shaped as like a tear drop. One end of the pear cut is pointed end like and other rounded one. It looks very beautiful and attractive.

Heart shape coral stone

One of the perfect coral is a heart shape. This shape helps you to win the heart of your lover. This shape is commonly used as an engagement ring. 

Oval shape coral stone

This shape of coral looks like an egg. And the look of this stone is very perfect for rings.

Cushion shape coral stone

The cushion shape appears like pillow with square cut with rounded corner. 

These are the major shapes of the coral gemstone, which are commonly used in a jewelry making.