Precious gemstone jewelry will last a life time.
All of these gemstones have synthetic counterparts that are make in laboratories a synthetic diamond is a cubic zirconia, and ruby, sapphire and emerald synthetic are called created gems, created ruby, created sapphire and created emeralds. Although they are man made they are good quality gems which are inclusion free, a lot of jewelry designers use synthetics in their designs and make beautiful pieces of jewelry at a affordable price. They should not be dismissed as pieces of junk jewelry and should be classed as a well designed peace of fashion jewelry.Diamonds rate 10 on mohs’ scale of hardness, being the hardest of all gemstones, ruby and sapphire rates 9 on mohs’ scale and emerald rates 7.5 on mohs’ scale which means all of these precious gemstones are quite hard.Most emeralds are oiled in order to improve there clarity, this is a generally accepted practice in the gem trade. If you are considering purchasing a expensive emerald it is well advised to insist upon a report from a reputable gemological laboratory.