Blue Sapphire gemstones are some of the most beautiful and rare natural gemstones and therefore a popular choice for engagement rings. Blue sapphires are blue color gemstones--a rare kind of the mineral corundum, an aluminium oxide. Sapphires can also be found in colors, including pink, yellow, and white. The Blue sapphire is known as the gem of truth and symbolizes loyalty and the soul.
When shopping for a blue sapphire engagement ring, it is important to understand the 4 C’s— color, clarity, cut and carat. Color is most important when pricing blue sapphires. Color in natural gemstones can be broken down into three main elements: hue, saturation, and tone. Hue is the color of the gemstone; saturation is the brightness or richness of the color. Lastly, tone is the scale of lightness to darkness of the color. Blue sapphires are found in a variety of blends of hues, tones, and levels of saturation. Blue sapphires are valued according to the intensity of their primary hue. The most common secondary hues are Purple, violet, and green.
James Allen offers an impressive collection of blue sapphires. Blue sapphires are most commonly featured in engagement and wedding rings and are especially popular among celebrities and royalty. The most famous blue sapphire engagement ring belonged to the late Princess Diana and is now worn by the Duchess of Cambridge, Kate Middleton.