Sihala Gem Zone, based in Sri Lanka, lists zircon and spinel gemstones on Global Trade Plaza. The company offers products such as 3.47 Ct Natural Green Zircon and 1.17 Ct Natural Violet Spinel, with details including weight, dimensions, cut, shape, origin, clarity, and treatment. Established in 2015, the company provides specific gemstone information for each product, including variety, color, weight in carats, dimensions in millimeters, shape, cut type, origin, clarity grade, and treatment status. Buyers can send an enquiry through Global Trade Plaza.