Antique Edwardian Platinum 18ct Gold Diamond RingThis early 20th century diamond ring is crafted in 18ct yellow gold with a platinum setting, a combination typical of fine jewellery from the late Edwardian to early Art Deco period. The elongated navette shaped head is set with a central old cut diamond, framed by a graduated arrangement of smaller diamonds that emphasise symmetry and line. The platinum top allows for fine claw work and crisp definition around the stones, while the yellow gold shank