GOODSTONE JEWELS Single Pear Stone Pendant Necklace. Crafted with precision and care, this exquisite necklace features a genuine 10x7 mm pear-shaped natural blue opal gemstone, gracefully set in 925 sterling silver for a luxurious touch. Whether you're dressing up for a special occasion or adding a hint of sophistication to your everyday look, this necklace offers both versatility and style. The adjustable 16-inch cable chain with an additional 2-inch extender ensures the perfect fit, while the secure 1.80 gm lobster clasp keeps your necklace safely in place all day long. A perfect gift for birthdays, anniversaries, or just because this piece captures the beauty and mystery of blue opal, known for its vibrant play of colors and distinctive appeal. Lightweight and durable, it offers lasting wear without compromising comfort.