Some of the natural gems like ruby, sapphire, emerald and diamond are synthesized in the laboratories and manufactured by simulating the natural ones. Though these synthetics have various industrial and scientific applications, the problem arises when these are passed on as naturals.
GTL makes special efforts to discriminate naturals from the synthetics.
Natural Gem Characteristics
Inclusions of mineral grains in natural ruby
Silk in natural ruby
Mineral grains and zircon halo in natural ruby
Three phase inclusions in natural emerald
Natural Gem Characteristics
Gas bubbles & gas clouds in synthetic ruby
'Plato lines' in synthetic yellow sapphire
Curved growth lines & twisted feathers in synthetic ruby
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