С фоновым изображением:
.container {
width:410px;
height:610px;
background:#fff;
box-shadow:0 0 5px 0 rgba(0,0,0,.5);
display:grid;
grid-template-columns:1fr 1fr;
grid-gap:10px;
padding:10px;
position:relative;
}
.div1, .div2, .div3, .div4{
background:#e0e0e0;
height:300px;
width:200px;
background-size:cover;
background-repeat:no-repeat;
}
.div1 {
background:url('https://picsum.photos/200/300');
}
.div2 {
background:url('https://picsum.photos/200/500');
}
.div3 {
background:url('https://picsum.photos/200/700');
}
.div4 {
background:url('https://picsum.photos/400/800');
}
.circle {
height:220px;
width:220px;
border-radius:50%;
position:absolute;
top:50%;
left:50%;
transform:translate(-50%,-50%);
background: radial-gradient(#e0e0e0 0px, #e0e0e0 100px, #fff 100px, #fff 110px);
}
.circle_bg {
position:absolute;
background:url('https://picsum.photos/200/200');
width:200px;
height:200px;
top:50%;
left:50%;
transform:translate(-50%,-50%);
border-radius:50%;
}
<div class="container">
<div class="div1"></div>
<div class="div2"></div>
<div class="div3"></div>
<div class="div4"></div>
<div class="circle"></div>
<div class="circle_bg"></div>
</div>
То же, что и ваше шоу:
.container {
width:410px;
height:610px;
background:#fff;
box-shadow:0 0 5px 0 rgba(0,0,0,.5);
display:grid;
grid-template-columns:1fr 1fr;
grid-gap:10px;
padding:10px;
position:relative;
}
.div1, .div2, .div3, .div4{
background:#e0e0e0;
height:300px;
width:200px;
}
.circle {
height:220px;
width:220px;
border-radius:50%;
position:absolute;
top:50%;
left:50%;
transform:translate(-50%,-50%);
background: radial-gradient(#e0e0e0 0px, #e0e0e0 100px, #fff 100px, #fff 110px);
}
<div class="container">
<div class="div1"></div>
<div class="div2"></div>
<div class="div3"></div>
<div class="div4"></div>
<div class="circle"></div>
</div>