This exceptional antique Edwardian ring is crafted in platinum and 14k yellow gold and features a striking geometric design characteristic of the early 20th century. At the center is a bezel-set Fancy Light Yellow diamond weighing 1.41 carats with SI2 clarity. The center stone is framed by two octagonal-shaped panels composed of glittering Old Mine cut and old single cut diamonds, creating remarkable depth and period brilliance. The accent diamonds have a combined weight of 1.41 carats with IK color and SI1–I1 clarity. Measuring approximately 19.3mm across the face, this one-of-a-kind ring dates to circa 1910s–1920s. The ring is a size 5.25 and can be sized.