A diamond is a gemstone.
No. Diamonds are gemstones; jewelery can be any accessory adornment.
You may be thinking of gemstones and industrial diamonds. Gemstones represent about 20% of all diamonds mined, and the remainder is industrial diamonds.
any gemological lab in any country can validate real diamonds or gemstones and their authenticity
If you mean gemstones, diamonds are the top ranked gemstones, and are used as investments and adornments.
Real diamonds -- and any other stone -- can be cut into a marquis shape and remain genuine stones or gemstones.
Diamonds are formed from carbon, with the inclusion of trace minerals -- in gemstone diamonds. Only about 20% of all diamonds mined are gemstones. Industrial diamonds are also formed from carbon, but their structure is not as consistent as those found in gemstones.
South Carolina is not known for its naturally occurring diamonds. But, you can find diamond gemstones in most any jewelery store in that state.
Yellow diamonds are gemstones, and are used in jewelery and for other adornments.
Diamonds and emeralds are gemstones. These gems are mineral crystals or a piece of a metal. The stones are cut and polished and made into jewelry.
Gemstones like diamonds are weighed in carats. A carat is 200 milligrams.
Carat is the unit of measurement used to measure diamonds, other gemstones and pearls.
One hundred percent of all diamonds mined are 'used', either as gemstones -- about 20%, or as industrial diamonds.