Platinum 850 thousandths (mascaron hallmark).
Set in its center with an old-cut diamond of approximately one carat, surrounded by 2 festooned crowns paved with 45 small old-cut diamonds.
The main diamond is very "clean", no inclusions visible to the naked eye.
It has a micro chip on the girdle, very very barely visible.
It weighs 15.7 grs.
The finger circumference is openwork for more lightness to the ring. TDD 53