You can add an icon like your showing image, here is the solution
HTML:-
<div class="circletop">
<div class="numberpr">3° anno</div>
<div class="lordo">Valore lordo stimato</div>
<!--I add div icon here-->
<div class="icon">my icon</div>
<div class="valori"> € 65.000 - € 67.000</div>
</div>
CSS:-
.circletop {
/* circle styles */
width: 300px;
height: 300px;
font-family: Raleway;
border: 1px solid #222;
border-radius: 50%;
margin: 0 auto;
box-shadow: 0 0 20px #ccc;
/* become a flex container */
/* its children will be flex items */
display: flex;
/* place items in column */
flex-direction: column;
/* center flex items horizontally */
align-items: center;
/* center all content vertically */
justify-content: center;
}
/* simulate one more item to "balance" dex text */
.circletop:before {
content: "\A0";
visibility: hidden;
}
.lordo {
color: #45cec8;
padding-top: 10px;
padding-bottom: 25px;
font-weight: bold;
font-size: 19px;
}
.valori {
border-radius: 50px;
background: #05c6bf;
padding: 14px;
width: 100%;
color: #fff;
text-align: center;
box-shadow: 0 0 9px #45cec8;
font-size: 25px;
font-weight: bold;
}
.icon {
position: relative;
bottom: -19px;
right: -162px;
}