blue zircon gemstone, top view. oval cut, 1.93 carats

5000kn 7x6mm beautiful beauty birth birthstone blue brilliant cambodia carat carats closeup color colorful crystal cut december detail durable enhanced expensive facet gem gemology gemstone hardness heated jewel jewellry jewelry light luxury macro mineral mining mohs natural nature oval photographed precious rare rock round shape shiny sparkle stone top transparent treated valuable vibrant view wealth zircon