A three-stone diamond ring

A three-stone diamond ring, the central diamond weighing 0.73 carats, the outer two diamonds both weighing 0.36 carats each, all round brilliant-cut and of D colour, IF clarity, with GIA certificate numbers 10106310, 14090174 and 14226842, all four claw-set to a platinum collet and tapered D-section shank, hallmarked platinum, London 2006, gross weight 4 grams.

No. 22574M