MELLERIO RING In platinum, centred on a large button pearl in a scalloped setting of round and baguette diamonds. Signed and numbered. Master stamp. Circa 1925. A diamond and platinum ring set with a natural saltwater pearl, by Mellerio. Circa 1925. L.F.G. certificate attesting: perle fine d'eau de mer (natural saltwater pearl). RC : Numbered: C.11.891. Dimensions of the pearl: 13.4 - 13.8 x 10.9 mm. TDD : 52 - 53 ; US : 6 1/2 (changeable) . Gross weight: 14.1 g (Pt - 950).