A turning insert comprising a top surface, an opposite bottom surface, a side surface connecting the top and bottom surfaces (2, 3), a cutting edge formed at an intersection between the top surface and the side surface, the cutting edge comprising a corner cutting edge, a first cutting edge and a second cutting edge, wherein the corner cutting edge is convex in a top view, wherein a first end of the corner cutting edge and the first cutting edge are connected at a first transition point, wherein an opposite second end of the corner cutting edge and the second cutting edge are connected at a second transition point, wherein a bisector extending equidistantly between the first and second cutting edges (6, 7) intersects a mid-point of the corner cutting edge in a top view, wherein the top surface comprises a first surface, wherein the first surface borders to at least a major portion of the corner cutting edge, wherein the first and the second cutting edges (6, 7) in a top view subtend an angle (θ) which is 75 - 85°, wherein at least a part of the corner cutting edge is concave in a front view, wherein the first surface is a depression, wherein the first surface is bordered by the cutting edge along a length defined by a first intersection point and an opposite second intersection point, wherein the first and second intersection points (19, 20) are located on opposite sides of the bisector, wherein a shortest distance in a top view between the first and second intersection points (19, 20) is 75-125 % of a distance in a top view between the first and second transition points (8, 9), wherein the turning insert comprises at least 99 % cemented carbide or at least 99 % cermet, wherein the corner cutting edge and the first surface are symmetrically arranged or substantially symmetrically arranged relative to the bisector characterized in that the first surface is concave when viewed in a plane containing the bisector, an edge angle α formed between the first surface and the side surface at the mid-point of the corner cutting edge, is 70 - 90°, where the edge angle α is measured in a plane containing the bisector and intersecting the side surface, the top surface comprises two identical first surfaces, and the first surface is formed by pressing and sintering the cutting edge comprising a corner cutting edge, a first cutting edge and a second cutting edge, wherein the corner cutting edge is convex in a top view, wherein a first end of the corner cutting edge and the first cutting edge are connected at a first transition point, wherein an opposite second end of the corner cutting edge and the second cutting edge are connected at a second transition point, wherein a bisector extending equidistantly between the first and second cutting edges (6, 7) intersects a mid-point of the corner cutting edge in a top view, wherein the top surface comprises a first surface, wherein the first surface borders to at least a major portion of the corner cutting edge, wherein the first and the second cutting edges (6, 7) in a top view subtend an angle (θ) which is 75 - 85°, wherein at least a part of the corner cutting edge is concave in a front view, wherein the first surface is a depression, wherein the first surface is bordered by the cutting edge along a length defined by a first intersection point and an opposite second intersection point, wherein the first and second intersection points (19, 20) are located on opposite sides of the bisector, wherein a shortest distance in a top view between the first and second intersection points (19, 20) is 75-125 % of a distance in a top view between the first and second transition points (8, 9), wherein the turning insert comprises at least 99 % cemented carbide or at least 99 % cermet, wherein the corner cutting edge and the first surface are symmetrically arranged or substantially symmetrically arranged relative to the bisector characterized in that the first surface is concave when viewed in a plane containing the bisector, an edge angle α formed between the first surface and the side surface at the mid-point of the corner cutting edge, is 70 - 90°, where the edge angle α is measured in a plane containing the bisector and intersecting the side surface, the top surface comprises two identical first surfaces, and the first surface is formed by pressing and sintering