Ladies magnificent 18kt yellow gold and platinum edwardian diamond ring featuring a beautiful oval old-mine cut diamond in the centre weighing approximately 1.50 carat total weight of (SI-2) in clarity and (L-M) in color. The centre-stone is enhanced by a halo of (19) calibre-cut rubies weighing approximately 0.60 carat total weight, along with a halo of single-cut diamonds weighing approximately 0.40 carat total weight of (VS) in clarity and (G-H) in color. This beautiful ring dates back to the very earliest part of the twentieth century. Circa 1910-early-1920s.