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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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#5 Brown Yellow Color Change Oval Cut Synthetic Gemstone Nanosital
The Brown Yellow Color Change Oval Cut Synthetic Gemstone Nanosital is a captivating gem that showcases a remarkable color change effect, shifting beautifully between warm brown and yellow hues under different lighting conditions. Crafted from advanced glass-ceramic nanocrystalline materials, this synthetic gemstone combines durability with stunning optical performance. With a hardness of 7 on the Mohs scale, it offers excellent resistance to scratches and everyday wear. Its refractive index of 1.65–1.7 and specific gravity closely resemble those of natural gemstones, providing brilliant luster and depth. The oval cut enhances its color play and brilliance, making it an eye-catching centerpiece for any jewelry design. Free from harmful substances and produced sustainably, this Nanosital gemstone is an elegant, affordable, and eco-friendly alternative to natural color-change stones.
Round Cabochon Cut Synthetic Gemstone CPO2 Blue Opal
The Round Cabochon Cut Synthetic Blue Opal CPO2 is a stunning gemstone featuring a smooth, domed surface with a flat base, crafted to highlight the stone’s tranquil blue hues and captivating play of light. This synthetic blue opal mimics the natural beauty of genuine blue opals, known for their soothing, ocean-like colors and subtle adularescence—a soft inner glow that enhances its visual charm. With a moderate hardness of 5.5 to 6.5 on the Mohs scale, this gem offers both elegance and durability suitable for various jewelry designs.
#1/2 Swiss Blue Medium Oval Cabochon Cut Synthetic Gemstone Nanosital
Crafted with precision, this stone features a captivating Swiss blue hue that adds a touch of elegance and sophistication to any jewelry piece. The medium oval cabochon cut enhances the gemstone’s natural brilliance, offering a smooth, domed surface that reflects light beautifully from all angles. Made from advanced Nanosital technology, this synthetic gemstone mimics the properties of natural gemstones, offering both durability and beauty. Ideal for rings, necklaces, or earrings, this gemstone is perfect for those who appreciate high-end jewelry with a modern twist. Whether used in fine jewelry or as part of a custom design, the Swiss Blue Medium Oval Cabochon Cut Nanosital is a timeless addition that will stand out in any collection.
#004 Opal Green Oval Cabochon Cut Synthetic Gemston Nanosital
high-quality synthetic gemstone that mimics the unique beauty of natural opal. Crafted using advanced Nanosital technology, this green opal offers vibrant hues and an intriguing play of color, creating a mesmerizing visual effect. The oval cabochon cut enhances the stone’s depth and radiance, making it perfect for fine jewelry pieces like rings, earrings, and pendants. As a synthetic gem, it offers an ethical, sustainable alternative to natural opals, while maintaining exceptional clarity and durability. Ideal for those who appreciate the beauty of opal but seek a more affordable and eco-friendly option, this gemstone is an excellent choice for both everyday wear and special occasions.
Round Cabochon Cut CP04 Light Yellow Synthetic Opal
Opals come in a wide variety of colors, including white, black, blue, green, red, and more, with black opal being the rarest and most valuable. The gemstone can be transparent, translucent, or opaque and has a hardness of about 5.5 to 6 on the Mohs scale. Opal is prized for its captivating iridescence and is the birthstone for October, symbolizing creativity, inspiration, and emotional balance.
#1 Round Blue Turquoise Synthetic Gemstone Nanosital
Made from a unique glass-ceramic composition primarily of silicon dioxide (SiO2) and aluminum oxide (Al2O3), Nanosital offers excellent durability with a Mohs hardness of 7, making it suitable for everyday jewelry wear. Its refractive index of 1.65–1.7 and specific gravity of 3.5–4 provide a natural look and feel, closely matching many precious stones. Unlike cubic zirconia, Nanosital features a subtle, natural luster without an overly strong shine, preserving an attractive play of colors. It is free from harmful contaminants and can withstand high temperatures up to 1700°C, allowing for versatile jewelry manufacturing techniques such as lost-wax casting. With consistent color, total transparency, and no internal defects, this synthetic turquoise gemstone is an excellent, affordable alternative to natural turquoise.
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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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