Clockwise from top stone (price per stone):
Amethyst (£9.50), Pink Tourmaline (£23), Garnet (£9.50), Smoky Quartz (£5), Citrine (£9.50), Lemon Quartz (£5), Peridot (£11), Green Tourmaline (£23), Iolite (£9.50), Blue Topaz (£9.50), Aquamarine (£24), Rock Crystal (£5) and Rose Quartz (£5).