522
A Blue Spinel, Sapphire and Diamond 'Butterfly' Brooch
One cushion blue spinel, 5.51 caratsBrilliant-cut diamonds and sapphires on wings, body and antennae, together approximately 6.35 and 14.10 carats respectivelyTitanium and 18 karat gold(5.51-carat Blue Spinel)
<em>A gem report, Sri Lanka (Ceylon), no indications of heating or treatment. </em>