This 925 Sterling Silver Natural Ethiopian Opal Gemstone Beads 18" Necklace features a teardrop pendant with blue opal as the main stone, complemented by fire opal accents. The necklace is adjustable, making it suitable for various occasions like engagements, weddings, anniversaries, birthdays, and holidays like Christmas and Valentine's Day. Crafted with sterling silver and featuring a round link chain, this beaded necklace adds a touch of beauty and elegance to any outfit. The necklace has a total carat weight of 38 and is a perfect gift for loved ones.