The methods used to create them in labs require expensive equipment.
Lab created emerald.
Lab created emeralds are usually less expensive than natural ones of similar color but the price difference is matched by a difference in appearance which affects quality.
The process is slow and energy intensive and the yield of facetable material is low.
While lab created emeralds are real emeralds they are not considered to be authentic emeralds as they are fabricated in a lab and did not occur in nature.
It is important to note the difference between terms.
The gemstones created in lab and the ones mined underground bear similar chemical physical and optical properties.
A lab created emerald is a real emerald but not a natural emerald.
Emerald is a gemstone which is rare in its natural and perfect form.
Synthetic emeralds are some of the most expensive synthetic gems.
And if it is available somewhere the cost remains too high.
Lab created emerald cut russian emerald solitaire pendant in 14k white gold available in 5x3mm 14x10mm.