Edwardian Sapphire Diamond Platinum Gold RingThis Edwardian sapphire and diamond ring, circa 1910s, is crafted in platinum and 10k yellow gold, showcasing the refined design typical of the period. The centerpiece is a cushion cut sapphire, framed by a halo of rose cut diamonds that continue onto the shoulders of the band. The sapphires deep blue color contrasts elegantly against the platinum setting, while the yellow gold shank provides a warm balance, with patina present that reflects its