A most pleasing colour for a buckle - a soft subtly shimmery pale lilac.
They are made from polished lucite which reflects the light to give them a marvellous  glow

I have 2 sizes

 9.4cm tall, 5.6cm wide 
 internal dimensions of each aperture are 76mm x 13mm

or

7cm tall and 5cm wide
internal dimensions of each aperture are 51mm x 11mm