Sapphire is beautiful, as one of the world's top five gems, it has been sought after and loved, but there are many imitation sapphire and optimized sapphire on the market. There are a lot of things to be aware of when buying sapphire, and remembering this will give you a guarantee when buying sapphire.
First note: When buying sapphire, be sure to pay attention to the manufacturer to issue a reliable identification certificate, such as GIA and GRS. This is the first place to buy sapphire.
Second note: The sapphire imitation technology is very mature, we must pay attention to the many identification features that natural sapphire should have. Stained glass with different colors of sapphire, small density, weak gloss, and often contains round bubbles, uniform color without a straight ribbon.
Third note: Pay attention to the sapphire optimized by thermal diffusion method. The optimized gemstones are faceted and the color is bright and indigo. Note that the natural sapphire is the crown, and the pavilion is a synthetic sapphire sapphire two-layer stone. Carefully observe the girdle waist from the aspects of gloss, color, and whether there is adhesive.
Customized Drawer Mat,Polyester Liner Mat,Latex Carpet Underlay,Drawer Anti-Slip Mat
Anyang Qunxiu Plastics co.,ltd , https://www.qunxu.com