Bivis Jewelry Co., Ltd is in Wuzhou,  the center of synthetic gems trade and manufacture in China.  Bivis has experience in cutting lab created gems, which has been our major since 2017, and fulfills all the processes of selecting rough, faceting, polishing, and quality assurance. All the loose lab created gems are best cut and polished in 3A quality manually by hand-operated machine.

Bivis’s rough materials of lab created gems are valued at their prices, which should be grown for high-tech industries such as optics, laser, semiconductors, and watches. The growth methods of these roughs will be Czochralski-pulled methods such as lab created ruby, lab created sapphire, lab created alexandrite, lab created spinel, etc. The lab created emerald is grown by hydrothermal method and comes in two colors(Zambian Green and Colombian Green).