Fine Jewellery › Platinum Oval Cut Sapphire and 12-Stone Diamond Halo Cluster Ring Image 1 of 1 Platinum Oval Cut Sapphire and 12-Stone Diamond Halo Cluster Ring £2,425.00 Platinum oval cut ceylon sapphire & 0.35ct 12-Stone diamond halo cluster ring Size: J K L M N O P Q R Add To Cart Added! Platinum oval cut ceylon sapphire & 0.35ct 12-Stone diamond halo cluster ring