This exquisite opal bar necklace features the October birthstone set within delicate branch motifs, radiating natural elegance and vitality. Its simple yet luxurious design beautifully accents the collarbone. The pendant measures 30mm by 8mm (1.18 by 0.31 inches) on an 18-inch chain with a 2-inch extender. Crafted from pure, lead-free, nickel-free sterling silver, it is hypoallergenic and safe for sensitive skin, preventing redness or itching. Presented in a lovely gift box, this opal necklace makes a perfect present for loved ones on birthdays, anniversaries, Christmas, Valentine's Day, or Mother's Day. We are dedicated to high quality and excellent service, ready to assist with any questions promptly.