A platinum diamond eternity ring is a luxurious and timeless piece of jewellery that combines the beauty of platinum metal with the brilliance of diamonds. Platinum is a rare and precious metal known for its durability, purity, and lustrous silver-white colour. Platinum, known for its strength and hypoallergenic properties, is an excellent choice for an eternity ring. It is highly durable and resistant to wear and tarnish, making it a perfect metal to showcase the beauty of diamonds over time.