From the Mappin & Webb Timeless Collection and presented in a clean elegant and classic 4 claw setting this 1. 50 carat princess cut diamond solitaire engagement ring in platinum is a luxurious piece for the perfect proposal. Our Timeless Collection is a curated suite of unique and one-of-a-kind diamond jewellery, featuring magnificent gemstones including colourful Rubies, Sapphires and Tanzanite. The spectacular designs have a timeless elegance and each breathtaking piece showcases the fine craftsmanship for which we are renowned for.