Art Deco 1.51 Carat Old Cut Diamond Coronet Cluster Ring, circa 1940A vintage diamond cluster ring of class and quality. The old mine cut diamond graded by HRD Antwerp as I colour, SI1 clarity is secured in a platinum collet with fourteen eight cut diamonds mounted within a classic coronet setting. The D shaped platinum shank splits at the top, with a marquise shaped panel at the shoulders. Currently size J 1 2 (UK) or 5 (US). Free sizing available. Accompanied by a Natural Diamond Grading Report from HRD Antwerp.