Antique 18ct Platinum old transitional cut diamond solitaire engagement ring 0.66ct 1920'sA really pretty antique diamond solitaire ring dating from the Early 20th Century c1920's. This lovely ring is beautifully handcrafted in 18ct gold and Platinum. The traditional crown claw setting has a gorgeous bright, white and sparkling old transitional cut diamond of approx 5. 5mm equal to 0. 66 carat weight. It is assessed to be H J colour and P3 clarity, often referred to as a 'salt and pepper' diamond as it has teeny tiny pinprick carbon spots