100% Natural 2.5 Carat Blue Dot Ethiopian Opal 925 Sterling Silver Pear-Shaped Gemstone Pendant for Women. It enhances your beauty and adds a touch of elegance. Opal is considered one of the luckiest gemstones and symbolizes hope. It's perfect for wearing on any occasion. Whether you're going out for dinner or enjoying a latte on a romantic coffee date, its subtle sparkle will complement your look perfectly. It also makes a perfect gift for your loved ones.