18ct white gold and platinum, diamond brooch featuring a 5.78, 5.88 mm, diameter, 4.17 mm deep, old fashioned cut, diamond, H-J colour, VVS1 clarity, 0.88ct, double pointed bar design with banded engraving and a pierced 'coronet' design collet with six double-claw setting in the centre, approx. 2.83gr