| 14 Products | Aug 2024 | Aug 2025 | Change |
| Guylian Belgian Chocolate Sea Shells (250g) | £6.56 | £8.38 | + £1.82 27.7% increase |
| | £6.25 | £5.98 | - £0.27 -4.3% decrease |
| | £6.50 | £7.50 | + £1.00 5.6% increase |
| | £5.50 | £6.00 | + £0.50 6.7% increase |
| | £6.25 | £7.50 | + £1.25 10.1% increase |
| | £4.50 | £8.25 | + £3.75 21.6% increase |
| | £6.50 | £7.50 | + £1.00 20.3% increase |
| | £10.45 | £15.95 | + £5.50 27.7% increase |
| | £8.13 | £8.25 | + £0.12 1.5% increase |
| | £12.50 | £13.00 | + £0.50 4% increase |
| | £5.00 | £5.00 | £0.00 2.9% increase |
| | £5.00 | £5.00 | £0.00 2.3% increase |
| | £10.00 | £10.00 | £0.00 1.5% increase |
| Guylian The Original Seashells Boxed Chocolates with Hazelnut Praline Filling (65g) | £3.65 | £3.61 | - £0.04 -1.1% decrease |
| | £1.75 | £1.58 | - £0.17 -9.7% decrease |
| | £1.60 | £1.60 | £0.00 -5.4% increase |
| | £1.25 | £1.25 | £0.00 -3.3% increase |
| | £9.99 | £9.99 | £0.00 -1.1% increase |
| Guylian Belgian Chocolates The Original Seashells (500g) | £10.33 | £14.17 | + £3.84 37.2% increase |
| | £11.00 | £14.00 | + £3.00 27.3% increase |
| | £9.00 | £14.50 | + £5.50 42.5% increase |
| | £11.00 | £14.00 | + £3.00 37.2% increase |
| Guylian Dark Praline Seashells (225g) | £6.08 | £6.33 | + £0.25 4.1% increase |
| | £6.25 | £5.98 | - £0.27 -4.3% decrease |
| | £5.50 | £5.50 | £0.00 -2.4% increase |
| | £6.50 | £7.50 | + £1.00 4.1% 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) | £5.75 | £6.99 | + £1.24 21.6% increase |
| | £5.75 | £6.98 | + £1.23 21.4% increase |
| | £5.75 | £7.00 | + £1.25 21.6% increase |
| 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 |
| Guylian Hazelnut Bars (100g) | £1.60 | £1.60 | £0.00 No change |
| | £1.50 | £1.50 | £0.00 No change |
| | £1.70 | £1.70 | £0.00 No change |
