This lovely cluster engagement ring is beautifully centred with a royal blue oval sapphire weighing approximately 1.00 carats, mounted in a four claw, open back setting. The vivid stone is surrounded by 10 fine quality round brilliant cut diamonds weighing 0.25ct combined, all claw set in 18 carat white gold. Stamped DIA 025, 750. UK finger size 'M 1/2'.