Diamond and sapphire Templar ring

Diamond and sapphire Templar ring with a princess cut diamond estimated to weigh approximately 1.12cts flanked by two square step cut blue sapphires, all in rub over setting, the wide yellow gold band with matte ground and applied polished gold beads, sponsor's mark DM possibly for David Morris, ring size O.Condition Report Very good condition commensurate with age. Not hallmarked but stamped 18ct, sponsor's mark DM possibly for David Morris. The diamond measures approximately 6 x 5.5 x 4mm and estimated to weigh approximately 1.12ct, estimated F/G volume and VS1 clarity, a lively bright clean stone. The sapphires measure approximately Length 3.30mm; width 3.30mm; depth 2.40mm Weight 0.26ct (calculated) each stone; total weight 0.52ct. Weighs approximately 10.15 grams.