evidence: Regardless of the gemstone you choose, the most important aspect of a 51st anniversary gift is the thought and love behind it. Take the time to select a meaningful and sentimental piece that will be cherished for years to come. Celebrate this special milestone by honoring the enduring love and commitment shared between two individuals. [...] The traditional gift for the 51st anniversary is blue sapphires. Blue sapphires are a popular choice for this milestone as they symbolize loyalty, wisdom, and faithfulness. These gemstones are known for their deep blue color, which is often associated with tranquility and harmony. Blue sapphires are not only beautiful but also durable, making them a perfect gift to celebrate 51 years of marriage. [...] Blue sapphires are the traditional gift for the 51st anniversary and make a stunning gift for all ages. Their symbolism, timeless beauty, versatility, durability, and investment value make them a cherished and meaningful choice for celebrating 51 years of marriage.