Rare Canadian nephrite Jade set in silver 925 mark ring sizes 4 - 12 US stone size 7 x 9 mm

Made in Poland

A semi-precious stone is also known as a gem or gemstone (also a jewel, a gem, a precious stone), which is a portion of mineral, which, in refined and cut form, is used to create jewelry or other embellishments. There are also organic resources or precise rocks that are not minerals (for example jet or amber) that are also used for jewelry and would also be considered to be gemstones, as well.