A DIAMOND SINGLE-STONE RING The central brilliant-cut diamond weighing approximately 1.50ct, within a four-claw setting, to a similarly-cut diamond frame and shoulders, mounted in 18K rose gold, with English hallmarks for 2020, ring size J½ Accompanied with an insurance valuation from Davril Jewels in Hatton Garden, stating that the diamond is GIA certified 1.50ct, H colour, SI1 clarity, numbered 6162297303. Original certificate is not available.