A sapphire and diamond ring, centred with an oval mixed-cut sapphire weighing approximately 0.66cts, within a border of twelve round brilliant-cut diamonds, in 9ct white and yellow gold, size O
A sapphire and diamond ring, centred with an oval mixed-cut sapphire weighing approximately 0.66cts, within a border of twelve round brilliant-cut diamonds, in 9ct white and yellow gold, size O