Square Cubes of Red Coral.Length is 9". I will size for (FREE) Handcut Coral, average size is 10mm. Only one made.I make one of a kind gemstone Jewelry.Only the best gemstones.I use only 925 Sterling Silver in making my jewelry ( no base metals ) used. For the person that wants that one of a kind special look. 100% Guarantee on all Gemstone Jewelry. All Genuine Gemstones and 925 Sterling Silver. Money back if not satisfied. There are no Glass or Man Made stones in my jewelry.Contact me with any questions about this or any other gemstones.Please Visit our store and see all our other items.