A platinum princess engagement ring is a luxurious and sophisticated choice for those seeking a combination of timeless elegance and modern style. This type of engagement ring features a square-shaped princess-cut diamond as the centrepiece, set on a band made of platinum. Platinum is a precious metal known for its exceptional durability, purity, and natural white colour. The princess cut is a square-shaped diamond cut that combines the classic appeal of a square shape with the exceptional sparkle and fire of a brilliant-cut diamond.