The leading distinction between lab-grown gemstones and normal gemstones lies within their origin and formation course of action. Normal gemstones are fashioned deep throughout the Earth's crust about countless many years via pure geological processes.Quy trình s?n xu?t ???c ki?m ??nh nghiêm ng?t, ??m b?o m?i viên u?ng ??u ??t ch?t l??ng cao nh?