Lowest price:$44.99Description: min 3.75ct 14x10mm oval quantum cut yellow labradorite. labradorite is a gemstone in the feldspar family. it is known for a brilliant play of color and exhibits lustrous metallic tints of blue green yellow red gold and purple. on mohs' scale of hardness labradorite is 6 - 6.5. it has a vitreous luster and primary sources include canada (labrador newfoundland) australia (new south wales) madagascar mexico russia and the united states.