| 16 Products | May 2024 | May 2025 | Change |
| Guylian Belgian Chocolate Sea Shells (250g) | £6.51 | £7.60 | + £1.09 16.7% increase |
| | £6.25 | £7.48 | + £1.23 19.7% increase |
| | £6.50 | £7.50 | + £1.00 17.4% increase |
| | £5.50 | £5.50 | £0.00 12.3% increase |
| | £5.63 | £7.50 | + £1.87 17.3% increase |
| | £4.50 | £8.25 | + £3.75 27.6% increase |
| | £6.25 | £6.00 | - £0.25 22% decrease |
| | £10.93 | £10.95 | + £0.02 16.7% increase |
| | £8.00 | £8.25 | + £0.25 3.1% increase |
| | £12.00 | £13.00 | + £1.00 8.3% increase |
| | £5.00 | £5.00 | £0.00 5.9% increase |
| | £5.00 | £5.00 | £0.00 4.6% increase |
| | £10.00 | £10.00 | £0.00 3.1% increase |
| Guylian The Original Seashells Boxed Chocolates with Hazelnut Praline Filling (65g) | £3.65 | £3.71 | + £0.06 1.6% increase |
| | £1.75 | £1.98 | + £0.23 13.1% increase |
| | £1.60 | £1.60 | £0.00 6.5% increase |
| | £1.25 | £1.25 | £0.00 5.2% increase |
| | £9.99 | £9.99 | £0.00 1.6% increase |
| Guylian Belgian Chocolates The Original Seashells (500g) | £11.00 | £12.33 | + £1.33 12.1% increase |
| | £11.00 | £14.00 | + £3.00 27.3% increase |
| | £11.00 | £12.00 | + £1.00 18.2% increase |
| | £11.00 | £11.00 | £0.00 12.1% increase |
| Guylian Dark Praline Seashells (225g) | £6.00 | £6.33 | + £0.33 5.5% increase |
| | £6.25 | £7.48 | + £1.23 19.7% increase |
| | £5.50 | £5.50 | £0.00 10.4% increase |
| | £6.25 | £6.00 | - £0.25 5.5% decrease |
| Guylian Milk Chocolate Egg with 12 Original Praline Seahorses (306g) | £9.50 | £13.67 | + £4.17 43.9% increase |
| | £11.00 | £11.00 | £0.00 No change |
| | £7.50 | £15.00 | + £7.50 40.5% increase |
| | £10.00 | £15.00 | + £5.00 43.9% increase |
| Guylian Seashells Box (500g) | £10.00 | £10.00 | £0.00 No change |
| | £10.00 | £10.00 | £0.00 No change |
| | £10.00 | £10.00 | £0.00 No change |
| Guylian Temptations Assortment Carton About 20 Single Wrapped Chocolates (200g) | £5.38 | £6.24 | + £0.86 16% increase |
| | £5.00 | £6.98 | + £1.98 39.6% increase |
| | £5.75 | £5.50 | - £0.25 16% decrease |
| Guylian No Added Sugar Milk Bars (100g) | £2.25 | £2.25 | £0.00 No change |
| | £2.49 | £2.49 | £0.00 No change |
| | £2.00 | £2.00 | £0.00 No change |
| Guylian Salted Caramel Bars (100g) | £14.34 | £14.76 | + £0.42 2.9% increase |
| | £3.15 | £4.00 | + £0.85 27% increase |
| | £25.52 | £25.52 | £0.00 2.9% increase |
