| 14 Products | Nov 2024 | Nov 2025 | Change |
| Guylian Belgian Chocolate Sea Shells (250g) | £6.37 | £9.12 | + £2.75 43.2% increase |
| | £5.00 | £5.58 | + £0.58 11.6% increase |
| | £6.50 | £7.50 | + £1.00 13.7% increase |
| | £5.50 | £7.50 | + £2.00 21% increase |
| | £6.25 | £7.50 | + £1.25 20.8% increase |
| | £4.88 | £8.25 | + £3.37 29.1% increase |
| | £5.50 | £7.50 | + £2.00 30.3% increase |
| | £10.95 | £19.99 | + £9.04 43.2% increase |
| | £8.13 | £8.50 | + £0.37 4.6% increase |
| | £12.50 | £14.00 | + £1.50 12% increase |
| | £5.00 | £5.00 | £0.00 8.6% increase |
| | £5.00 | £5.00 | £0.00 6.7% increase |
| | £10.00 | £10.00 | £0.00 4.6% increase |
| Guylian The Original Seashells Boxed Chocolates with Hazelnut Praline Filling (65g) | £3.59 | £9.59 | + £6.00 167.1% increase |
| | £1.50 | £1.50 | £0.00 No change |
| | £1.60 | £1.60 | £0.00 No change |
| | £1.25 | £1.25 | £0.00 No change |
| | £9.99 | £33.99 | + £24.00 167.1% increase |
| Guylian Belgian Chocolates The Original Seashells (500g) | £10.43 | £14.17 | + £3.74 35.9% increase |
| | £11.00 | £14.00 | + £3.00 27.3% increase |
| | £11.30 | £14.50 | + £3.20 27.8% increase |
| | £9.00 | £14.00 | + £5.00 35.9% increase |
| Guylian Dark Praline Seashells (225g) | £5.33 | £6.33 | + £1.00 18.8% increase |
| | £5.00 | £7.48 | + £2.48 49.6% increase |
| | £5.50 | £5.50 | £0.00 23.6% increase |
| | £5.50 | £6.00 | + £0.50 18.8% increase |
| | £10.00 | £12.50 | + £2.50 25% increase |
| | £10.00 | £14.00 | + £4.00 40% increase |
| | £10.00 | £11.00 | + £1.00 25% increase |
| Guylian Temptations Assortment Carton About 20 Single Wrapped Chocolates (200g) | £4.88 | £6.99 | + £2.11 43.2% increase |
| | £5.00 | £6.98 | + £1.98 39.6% increase |
| | £4.75 | £7.00 | + £2.25 43.2% increase |
| Guylian No Added Sugar Milk Bars (100g) | £2.25 | £3.25 | + £1.00 44.4% increase |
| | £2.49 | £2.49 | £0.00 No change |
| | £2.00 | £4.00 | + £2.00 44.4% increase |
| 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 |
