The name emerald is used for the green variety of the crystal Beryl. Emeralds are rare and here in Australia only occur in a few small locations, non of which are commercially mined today. 

$600.00
Gemstone InformationItem ID: AEO060Gemstone type: EmeraldCarat Weight: 0.60ctDimensions (L,W,H): 5.13mm x 5.04mm x 3.40mmShape: Oval CutColour: GreenIntensity: VividClarity: I (Included)Treatment: NoneOrigin: Curlew Emerald Mine, Pilbara,...
$850.00
Gemstone InformationItem ID: AEE075Gemstone type: EmeraldCarat Weight: 0.75ctDimensions (L,W,H): 5.06mm x 5.06mm x 4.49mmShape: Emerald CutColour: GreenIntensity: Medium - VividClarity: I (Included)Treatment: NoneOrigin: Curlew Emerald Mine,...
$1,190.00
Gemstone InformationItem ID: AEC173Gemstone type: EmeraldCarat Weight: 1.73ctDimensions (L,W,H): 7.56mm x 7.52mm x 4.84mmShape: Cushion CutColour: Pastel GreenIntensity: Light - MediumClarity: I (Included)Treatment: NoneOrigin: Curlew Emerald...