There are no established rules
Sapphires are highly desirable gems that are valued for their intense dark blue hue. This stone is a kind of corundum mineral.While blue pieces are the most popular, sapphires can be found in all colors except red. Jewelery with sapphire convey its stunning and endless beauty.
Cheaper than a diamond, but no less beautiful.
Sapphire – the official stone, corresponding to the September zodiac sign. Continue reading