Gemstone Buyer’s Guide
What is a gemstone?
Any naturally occurring substance in a raw, uncut state that is capable of being a gem. They are also known as precious stones.
What are natural gemstones?
Gemstones mined in nature are known as natural gemstones. They may take several millennia to grow.
What are synthetic or laboratory grown stones?
Synthetic stones are made in the laboratory using molten chemicals to solidify and form the stone. They are also referred to as laboratory grown. They do not have the rarity and the history of natural gemstones. These stones generally lack imperfections.
What are imitation stones?
Imitation stones look like natural gemstones in appearance only. They may be glass, plastic or less costly stones.
What is a carat?
Gemstone weight is measured in carat. One carat equals one-fifth (1/5th) of a gram. Carats are divided into 100 units, called points. The abbreviation for carat is Ct. and for point is Pt.
What are faux gems?
These are imitation stones.
What are inclusions?
Materials that are locked inside a mineral as it is forming. They make each gemstone unique. They are fingerprints of the gemstone’s natural origin.
What is a cut?
Cut refers to the shape of the gemstone. It also refers to the size, angle, uniformity and polish of the facets. The cut has an important influence on the brilliance and fire of a gemstone.
What is the importance of cut?
The combination of all the reflections from the surface and the inside of the gemstone - it gives a polished gemstone its brilliance and brightness. The cut has a significant influence on the value of a gemstone.
What is a fancy cut?
Fancy cut gemstone is cut in unusual ways.
Tell me about gem treatments?
Gemstone treatments or enhancements refer to the way some gems are altered or treated to improve their appearance or durability.
Name a few gem treatments?
Heating, irradiation, dyeing, bleaching, fracture filling and laser-drilling.
How do I find out if a gemstone is treated or untreated?
The jeweler should inform you if the gemstone is treated. Ask the jeweler to write this information on the sales receipt.
Why should I know about gemstone treatments?
Some treatments are permanent; some many not be permanent. Some treated gemstones require special care. Some treatments significantly affect the cost of the gemstone. Treated gemstones are generally less expensive than untreated.
Related Link: Gemstone Jewelry
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