This listing offers a set of 20 pieces of 3.5mm round natural Zambian Emerald gemstones. The emeralds have a green color and excellent cut grade, with a natural creation process and no treatment. The gemstones are in a round shape and have no clarity grade specified. The brand is "Natural" and certification is available upon request. Originating from Zambia and crafted in Thailand, these stunning emeralds are perfect for jewelry making or collection purposes.