For April, it's the diamond
It has a broad color range, high refraction, high... [DOC] [TLE] The Birthstone For April Is Diamond - The Thunderbolt Stone [PAR] The birthstone for April is the diamond  which is probably the most famous of all 
gemstones in the world simply because of its unique hardness and... [DOC] [TLE] Diamond - April Birthstone Meaning | TheDiamondStore Magazine [PAR] Mar 30, 2015 ...