The Cushion Black Larvikite is a classic signet ring handset with a custom cut larvikite stone in a sleek bezel. The stone is sourced directly from the Lundhs Mine in Larvik, Norway, and is cut, polished and assembled by hand. Made with 925 sterling silver in a polished rhodium plating and black larvikite. All precious metals are 100% recycled. All stones are 100% traceable. 925 sterling silverWhite rhodium plating All precious metals are 100% recycled.All stones are 100% traceable. Top plate size 48 - 56 / 15 x 15 mmTop plate size 58 - 66 / 16.5 x 16.5 mmLower band width / 7 mm Black larvikite is a natural gemstone that may vary in shades of blue, green and grey. All natural gemstones can vary in colour, brightness, and pattern. The picture used is an example of how the gemstone may look.