
A gemstone or gem is a piece of mineral crystal, which, in cut
and polished form, is used to make jewelry or other adornments. ,
certain rocks or organic materials that are not minerals are also used
for jewelry, and are therefore often considered to be gemstones as well,
Most gemstones are hard, but some soft minerals are used in jewelry
because of their luster or other physical properties that have aesthetic
value.
In modern usage the precious stones are diamond, ruby, sapphire and emerald, with all other gemstones being semi-precious.All stones have different values and different quality and benefits.

In modern times gemstones are identified by gemologists, who describe
gems and their characteristics using technical terminology specific to
the field of gemology.Gemstones are classified into different groups, species, and varieties. e.g ruby is the red variety of the species corundum, while any other color of corundum is considered sapphire
ALL REAL GEMSTONES COME WITH A GEMSTONES LABORATORY CERTIFICATE OF AUTHENTICITY FROM A REPUTED GEMSTONE LABORATORY .