- Overall condition good. Secure clasp, with safety catch. Width 0.7 cm - Later British hallmarks for London, 18 carat gold, date letter X for 2022, sponsor's mark B&S for Bentley & Skinner - Rubies with some light abrasions, total weight approximately 11.00-12.00 carats - Diamonds: approximate total weight 8.00-9.00 carats - Please refer to the Conditions of Sale for further information regarding coloured stones