Aquamarine is the light blue variant of Beryl. 

Birthstone for March and a Hardness of 7.5-8 

$950.00
1.92ct Australian Aquamarine - Cushion Cut   A lovely pale blue Aquamarine from Queensland Australia.  This piece was beautifully cut in Australia with excellent proportions, giving it great sparkle. It has a couple of interesting tourmaline...
$1,300.00
2.36ct Australian Aquamarine - Emerald cut   A lovely pale blue Aquamarine from Queensland Australia.  This piece was beautifully cut in Australia with excellent proportions, giving it great sparkle. It has a couple of interesting tourmaline...