Natural Diamond 18K 750 GOLD BOW BROOCH PIN PENDANT  
It measures 52.30 mm long by 25 mm wide and sits up 10.30 mm.
 Fitted with a good safety clasp and weighing a  8.74 grams, it is fully marked and tested 18K 750
Metal : 18K 750 Solid Yellow Gold Brooch Made to hold a Necklace you can see on the back side . 
.Brooch weighs 8.74 gramsStone type: 3 Natural Diamonds aprox weight : 0.18 carat  Color G - Clarity : VS2