This cool retro 9ct gold vintage square set onyx signet ring is so easy wearing and comfy. The square onyx measures 10x10mm,  weighs 4.7g and is a size N, US 6.75, easily sizable. It was assayed in London and dates back to 1970. It is a gorgeous yellow tone, not rosy. Should you wish to resize the ring, please get in touch with us at checkout.