Synthetic Opal | Tianyu gems

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Synthetic opal is a man-made material meticulously engineered to replicate the stunning play-of-color found in natural opal, shimmering in a rainbow of hues when touched by light. It typically contains 10–20% water or resin, mimicking the hydrated structure of natural opal. With a Mohs hardness of 5.5–6, it is softer than gemstones like sapphire but remains perfectly suitable for jewelry with proper care.

Its specific gravity (1.9–2.2) and refractive index (~1.45) closely align with those of natural opal, delivering an authentic visual experience. Unlike natural opals, the synthetic version offers superior uniformity and is less prone to internal fractures or inclusions.

At Tianyu Gems, we combine advanced production techniques with handcrafted precision in our factory to offer up to 92 brilliant colors of synthetic opal. Each gem is expertly cut and polished by hand to ensure exceptional quality and luster. We support custom designs in various shapes and patterns, making our synthetic opals an ideal choice for high-end jewelry, such as rings, pendants, earrings, and more.