A natural sapphire and diamond ring is a timeless symbol of elegance and enduring love. The natural sapphire, a variety of the mineral corundum, is celebrated for its deep, vivid color most famously royal blue—and is second only to the diamond in hardness, making it ideal for daily wear. The accompanying natural diamonds provide brilliant contrast and sparkle, highlighting the sapphire's rich hue. Often set in classic designs like a halo or three-stone setting, this exquisite combination is a popular choice for engagement rings and anniversary gifts, signifying wisdom, sincerity, and faithfulness throughout history and royalty.