Unlike diamonds, sapphire does not have geometrically designed cuts for maximum brilliant effect, such as diamond "ideal" cuts.
When checking the cutting of a gemstone, it is necessary to see if the cutting reveals the beauty of the gemstone. For example, for sapphire with a higher color density, the best cut should be lighter than average so that more light passes through the gemstone, while for lighter gemstones, a deeper cut is good for color. Like diamonds, high-quality colored gemstones usually have cut planes, crowns, edges, ankles and bottoms.
The dark or white areas of the sapphire center are the result of too deep or too shallow cuts. The cut sapphire is symmetrical and reflects light evenly across the entire surface. Polishing should be smooth without any cracks or scratches. In addition, well-cut sapphire does not show ribbons that often appear in corundum crystals: the appearance of such color lines often reflects the cutter's attempt to retain weight rather than cutting out the most beautiful stones.
Felt Tree Insert Decoration，Handmade Felt Items,Felt Decoration Items,Felt Insert Decoration
J AND F COMPANY LTD. , https://www.jnfgardening.com