Found in many shades, but blue is by far the most popular color for a Topaz Engagement Ring, ranging from the clear Sky Blue Topaz to the twilight hues of London Blue Topaz. This durable gemstone is a beautiful and meaningful choice for the center stone of your ring. As the gemstone of love, it symbolizes loyalty, strength, and courage. Enjoy the sophistication of a blue topaz solitaire or select engagement rings adorned with diamonds that add more shine to the design.