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Tianyu Gems-focusing on jewelry production for over 25 years, the custom jewelry manufacturers/ experts around you.

Synthetic Gemstone

Synthetic gemstones are man-made materials designed to mimic the appearance and physical traits of natural gems, including color, brilliance, and even internal structure. While not always identical in composition to natural stones, synthetic gems offer impressive visual realism and reliable performance.

At Tianyu Gems, we specialize in premium colored synthetic gemstones, with a focus on Synthetic Opal, Nanosital, and Synthetic Alexandrite. Backed by over 25 years of expertise in hand-cutting and gemstone processing, we provide vibrant, high-quality synthetic stones tailored for both custom jewelry design and wholesale markets. Our products combine beauty, consistency, and affordability — making them a trusted choice for global jewelers and designers.


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#44 Light Pink Emerad Cut Synthetic Gemstone Nanosital
It is a stunning example of advanced gemstone craftsmanship. Featuring a delicate light pink hue, this gemstone is expertly cut in the elegant emerald shape, showcasing its clarity and brilliance. Made from Nanosital, a high-quality glass-ceramic material, it combines exceptional durability with beautiful optical properties. With a hardness of 7 on the Mohs scale, this gemstone offers excellent resistance to scratches and everyday wear. Its refractive index of 1.65-1.70 and specific gravity of 3.5-4 closely mimic those of natural gemstones, providing a realistic and vibrant appearance. This synthetic gem is safe, environmentally friendly, and free from harmful substances like lead and cadmium. Ideal for fine jewelry.
#46 Topaz London Blue Medium Oval Cut Synthetic Gemstone Nanosital
#46 Topaz London Blue Medium Oval Cut Nanosital
#0004 Round Black Synthetic Gemstone Nanostial
Made through a patented crystallization process of silica (SiO2) and alumina (Al2O3), this gemstone features a hardness of 7 on the Mohs scale, ensuring excellent durability for everyday jewelry wear. Its refractive index of 1.65–1.7 and specific gravity of 3.5–4 provide optical characteristics very similar to valuable natural stones like sapphire and topaz. Unlike cubic zirconia, Nanosital exhibits a natural, subtle luster without an overly strong shine, maintaining an attractive play of colors. It is free from harmful contaminants such as lead and cadmium, making it safe and environmentally friendly. With a high melting point of 1700°C, Black Nanosital is ideal for lost-wax casting, offering consistent color, total transparency, and no internal defects, making it a perfect choice for sophisticated, durable black gemstone jewelry.
#A1076 Salmon Morganite Oval Cut Nanosital Synthetic Gemstone
#A1076 Salmon Morganite Oval Cut Nanosital
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Wuzhou Tianyu Gems Co., Ltd. located in the world renowned artificial gem city-Wuzhou, Guangxi, was founded in 2001. We are a professional high-end gem processing and custom jewelry manufacturer. We specialized in solid gold, 925 sterling silver fine jewelry, 24K pure gold jewelry, Lab grown diamond, moissanite, synthetic emerald, lab grown gemstone etc.
 Tel/ WhatsApp: +86 13481477286
 Address: No.69 Xihuan Road Wan Xiu District, Guangxi Zhuang Autonomous Region, China
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