Aquamarine Gemstone Engagement Rings: A Gem of Calm & Beauty Aquamarine gemstone engagement rings are a beautiful, serene choice for couples who love the colors of the sea and sky. Aquamarine's signature pale blue hue evokes the tranquility of clear ocean waters and the serenity of a cloudless sky. Aquamarine's blue color is caused by trace amounts of iron within the beryl crystal structure. The color ranges from pale, almost colorless blue to a deeper, more vibrant blue, and the most prized aquamarines display a clear, even blue with excellent clarity. The symbolism of aquamarine is deeply romantic. The stone has been associated with the sea, with travel, and with protection for millennia. Ancient sailors believed aquamarine would protect them on their voyages. The stone is also associated with calmness, clarity, and communication—beautiful qualities to bring into a marriage. In terms of durability, aquamarine scores 7.5 to 8 on the Mohs scale, making it suitable for everyday wear. Aquamarine is the March birthstone, making it a meaningful choice for spring-born couples. It looks stunning in white gold and platinum, which enhance its cool blue tones. Aquamarine gemstone engagement rings are a gem of calm, clarity, and enduring love—a beautiful symbol for your forever.