The cost of table decorations is dependent on the number of pieces ordered and whether the flowers are silk or real.  The following prices can be used as a guide:

Tall Calla Lily vases with choice of flower, choice of colours in gel and 3 led lights - from £25
Round fishbowls (25cm diameter) with the above - from £20
Votive holders with gel and an led light - from £5
Tall cylinder vases with water, glass crystals and 3 led lights, topped with floating wax granules - from £30