A pretty Victorian clover brooch. Three saphiret glass hemispheres have been set in a closed back gold-tone setting, with a single rhinestone in the centre. Saphiret glass is made by adding gold to sapphire coloured glass and was produced in Gablonz, Czechoslovakia during the 19th century.  A well-made and rare piece of antique costume jewellery. Size: 22mm x 22mm, weight: 4.5g. Period: Victorian Jewellery ( 1837 - 1901 ).