1920s Diamond Solitaire Ring in 18ct Gold and PlatinumA beautiful and refined antique diamond solitaire ring dating to the 1920s, crafted in rich 18ct yellow gold with platinum detailing and set with a single brilliant-cut diamond in a finely raised crown collet.The platinum illusion setting enhances the brilliance of the diamond, giving the appearance of a significantly larger stone — a much-loved and clever design feature of the early 20th century. The shoulders are further adorned with small accent diamonds and delicate millegrain decoration, adding subtle detail while remaining entirely faithful to the elegant restraint of the period.The diamond stands proudly above the finger, allowing light to enter freely and maximising its sparkle. Timeless, balanced and beautifully proportioned, this ring would make a wonderful engagement ring or a meaningful addition to a fine antique jewellery collection.The ring remains in excellent condition and is presented in the fitted b...