Treatment with natural cedar oil
The vast majority of emeralds require (clarity enhancement) this process is carried out to improve the appearance of the polished stone, with cedar oil as the preferred choice. The most sought after emeralds are no oil stones, due to their rarity, these emeralds often command a 100% premium over their treated counterparts. Apart from untreated emeralds (no oil) we will usually trade in following grade of emeralds:
Insignificant Oil – Often requiring a tiny amount of oil to achieve their full potential. It may be the case that as little as one surface-reaching fissure has been filled.
Minor Oil – These emeralds will have 3 or 4 surface reaching fissures that have been treated with cedar oil. These represent the vast majority of emeralds sold in mid to high-end jewellers