Black Onyx Oval Ring in Sterling Silver, US 5 - 8, Delicate Black Onyx Stone Ring, Natural Black Onyx Ring Band is 1.2mm. Stone measures 4x6mm. Available in four sizes: US 5 6 7 8. Stamp: SRS 925 - our Silver Rain Silver branded stamp. Packaging: All our jewellery comes with our branded velvet bag so your item is ready to be gifted. To read more about our production process visit our blog: https://www.silverrainsilver.com/blogs/production-methods/production-method-1-lost-wax-casting Instagram: Silver_Rain_UK