WHAT DOES TIPS TO BUYING HEATED & UNHEATED YELLOW SAPPHIRE MEAN?

Mainly because of the vertical layered progress with the crystal as well as curved higher growth surface (which begins from a fall), the crystals will Exhibit curved expansion strains next the top surface area on the boule.The two variations have their deserves, and the choice boils all the way down to the Tale you would like to inform through your