A Diamond anniversary is a significant milestone in a marriage that marks 60 years of togetherness. The term "Diamond anniversary" is used due to the traditional gift for this occasion, which is a diamond. However, there are several synonyms available that can be used to describe the 60th-anniversary celebration. These include the Diamond Jubilee, the Platinum Jubilee, and the Diamond wedding. Other unique alternatives include the Blue Sapphire anniversary, the Star Sapphire anniversary, and the Emerald anniversary. These synonyms enable couples to celebrate their love and commitment in a unique and personalized manner, making it a memorable occasion for all.