Ruby of VietNam

Ruby of VietNam is a natural gemstone renowned for its vivid red to purplish-red color, primarily mined in the Yên Bái and Nghệ An regions. With a hardness of 9 on the Mohs scale and a vitreous to silky luster, Vietnamese rubies are prized for their warm, elegant beauty. Some stones may display a star effect (star ruby), making them highly sought after for fine jewelry.