Material: S925 silver, Synthetic EmeraldMain stone 8.05ct We mostly use Verneuil process, also called flame-fusion process for producing lab-created rubies and sapphires, hydrothermal growth for emerald, and some of high-quality Gems by crystal pulling method. With the development of technology, we have successfully reduced the time for lab-grow gemstones from months to weeks or even days now.And because the laboratory environment is more perfect than the natural environment, it is easier to produce high-quality gemstones, such as high-clarity emeralds and large-carat rubies. Our products are such as, lab created sapphire, lab created emerald ring, lab grown sapphire, lab created, sapphire ring, Lab Created Emerald, lab grown emerald, synthetic sapphire, lab created ruby, lab grown ruby, lab grown sapphire rings, lab emerald, synthetic emerald, lab emerald ring, lab grown emerald ring.