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Premium Black Onyx Signet Ring | Custom Jewelry Manufacturer | Jinyi Jewelry DJ01R0151

Make a powerful statement with the expertly crafted signet ring featured in image . With over two decades of jewelry expertise, Jinyi Jewelry is a trusted name in global jewelry manufacturing, providing high-quality solutions for brands worldwide. As specialized fashion jewelry manufacturers, we produce medium to high-quality 925 sterling silver jewelry, brass jewelry, stainless steel jewelry, and alloy jewelry, ensuring every piece meets rigorous professional standards. Our commitment to excellence addresses common industry concerns like fading and skin sensitivity, delivering hypoallergenic jewelry that maintains its brilliance for up to two years. By leveraging advanced CNC jewelry technology, precision gold castings, and personalized jewelry manufacturing capabilities, we bring unique, modern visions to life as a leading custom jewelry manufacturer. Choosing our factory direct jewelry services allows your jewelry business to benefit from a stable supply chain across our headquarters in Guangzhou and our facilities in Vietnam, ensuring competitive advantages in both quality and market reach. Whether you require PVD plating for stainless steel or specialized gold plated jewelry, our dedication to precision ensures we are your premier partner for jewelry brand growth and global sourcing.

Product Specifications

  • Design: Bold masculine signet ring featuring a polished black gemstone inlay, as showcased in image 

  • Material: Premium 925 Sterling Silver base; also available in high-quality Stainless Steel, Brass, Zinc, and Alloy.

  • Finishing: High-polish finish with elevated thickness plating (0.1mm to 5mm) and specialized PVD plating options for stainless steel to ensure durability and style.

  • Certifications: Fully compliant with major global standards, including WCA, TGI, ISO, RJC, SMETA, and CTPAT.

  • Customization: Full OEM and ODM jewelry services, including in-house CAD design, precision gold castings, and expert stone setting.

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