This exquisite platinum engagement ring centers a 1.50 carat Old European cut diamond graded SI1 clarity with N color, offering the distinctive character and romantic sparkle associated with antique diamond cutting. The center diamond rests within an elegant Art Deco-inspired mounting richly decorated with round brilliant cut diamonds set within delicate milgrain-edged settings. Graceful scalloped details and intricate openwork enhance the architectural design, creating a beautifully dimensional setting with vintage-inspired sophistication. The accent diamonds total approximately 1.08 carats and are graded SI1 to SI2 clarity with HI color, bringing the total diamond weight of the ring to approximately 2.58 carats. Combining antique diamond character with intricate platinum craftsmanship, this remarkable engagement ring offers timeless elegance and exceptional visual presence. The ring is a size 6.25 and can be professionally sized for the perfect fit.