The Diamond Day Night Blind is a made-to-measure zebra-style roller from 247 Blinds, offering the alternating sheer and opaque stripe construction that defines the day-and-night category. It comes in 3 colourways and starts from £28.69, making it an accessible entry into a style of blind that suits more rooms than you might expect.

Who it suits

Day and night blinds work by sliding two layers of fabric past each other - align the stripes and you get privacy with diffused light passing through the sheer sections; stagger them and the opaque bands largely block the view in. The effect is a single blind that behaves like a sheer and a dimout layered together. That makes them a reasonable fit for living rooms and home offices where you want flexibility through the day without having to raise the whole blind.

They are less well suited to bedrooms where genuine darkness is needed. In the staggered position the opaque bands do reduce light significantly, but even the best day-and-night construction is not a blackout product - light will still pass through the sheer sections and around the edges at dawn. If a child's room or a shift worker's bedroom is the target, a proper blackout roller fabric or a blackout Roman would serve better.

For a hallway, sitting room, or south-facing study that catches afternoon glare, the Diamond works well. The neutral grey palette also means it won't clash with most interior colour schemes, which makes it easier to spec across several rooms in one order without having to pick different products for each space.

The colours

3 colours available

All three colourways sit in the grey family: Raven is the darkest of the trio, a deep charcoal; Platinum occupies a mid-grey position; Silver is the lightest and leans slightly cool. The palette is deliberately tonal rather than varied - there is no warm or contrasting option here, so if your interior calls for cream, stone, or any colour outside grey, this range is not the right match. Within the grey spectrum, though, the three shades give a genuine choice between a statement blind and something that quietly recedes against a pale wall.

None of the three colourways carry a premium surcharge - all are priced from the same base.

Price by your dimensions

Enter your window size. We round up to the next standard size, which matches how the retailer actually quotes you.

With a from-price below £30, the Diamond sits at the entry-level end of the made-to-measure day-and-night market. As with all made-to-measure blinds, the price steps up with width and drop - the grid above shows what your specific window size will cost, calculated from the standard size bandings 247 Blinds applies at checkout.

How it compares

Against other day-and-night blinds in the same price bracket, the Diamond's three-colourway range is narrower than some - several competing ranges run to eight or more options including warmer neutrals, patterned fabrics, and saturated colours. If colour choice is a priority, it is worth browsing wider. What the Diamond trades in colour breadth for is straightforwardness: three clearly differentiated shades of a single neutral, simple to choose between.

If your requirement leans toward genuine blackout performance, a single-layer blackout roller fabric is a more reliable solution than any day-and-night blind - the zebra construction is inherently a light-management tool, not a light-blocking one. Equally, if you are after the finest possible daytime privacy in a narrow room, a venetian blind's adjustable slat angle gives more precise control than the fixed-stripe pattern of a day-and-night.

For a living room, dining area, or home office where some daylight is welcome but afternoon glare and overlooking neighbours are the main problems to solve, the Diamond is a practical and well-priced choice.