- D-G diamonds, total weight: 1.73-carats; calibré-cut yellow sapphires, total weight: 0.70-carats; calibré-cut orange sapphires, total weight: 0.50-carats; round-cut orange sapphires, total weight: 0.30-carats - Adjustable slider fastening - This piece has been certified in accordance with the Hallmarking Act 1973