About Lab Created Emeralds-

A synthetic gem material is one that is made in a laboratory, but which shares virtually all chemical, optical, and physical characteristics of its natural mineral counterpart, though in some cases, namely synthetic turquoise and synthetic opal, additional compounds can be present.

Synthetic gem crystals have been manufactured since the late 1800s, and their production is often marked by a need for them in industrial applications outside of the jewelry industry. The first success was in producing synthetic ruby of faceting quality. Synthetic crystals are used in communications and laser technology, microelectronics, and abrasives. Because synthetics for jewelry applications can be “made to order” [i.e. consistent color and crystal shape] given the right ingredients, time, and the facilities to grow them, they are likely to be much less rare than natural gems of equal size, clarity, and saturation of color. Because of this, and because it is possible to confuse them with gems that are naturally occurring, there are strict guidelines regarding how they are marketed and sold

In melt processes, the chemical composition of melt is the same as the composition of the resulting crystal. In solution processes, the solution or melt has a different chemical composition than that of the resulting crystal. Constituents are dissolved in the solution or melt at high temperature, and the crystal forms initially on a seed crystal as the melt temperature is lowered*

*Source GIA (Gemological Institute of America)

Lab created emeralds are identical to naturally mined emeralds in regards to chemical composition and color.  Lab created emeralds cost on average 30% less than naturally mined emeralds. Since lab created emeralds and natural emeralds are nearly identical the grading of the stones is similar.  Jewelers identify an emerald's value just as they do when appraising diamonds, the 4-C's. The 4-C's are the stone's Color, Clarity, Cut and Carat which determine's the overall value of the stone. 

Natural and lab created emerald stones are graded by jewelers by the following four levels;

AAAA (Heirloom)

AAA (Best)

AA (Better)

A (Good)

Natural AAAA emeralds are considered the finest and rarest. They are a rich green color and have very few inclusions which is very rare in natural emeralds.  A lab created emerald will have very few inclusions which is a signal to any jeweler that a stone is lab created vs. natural. 

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