This elegant Celtic knot black onyx necklace features a sterling silver trinity knot design adorned with a striking black onyx gemstone. Known for its protective and balanced energy, black onyx adds a meaningful touch to this timeless piece. Crafted from high-quality sterling silver, the necklace is free from nickel, lead, and cadmium, ensuring durability without tarnishing or discoloration. The trinity knot measures 31.6mm by 12.4mm, paired with an 18-inch rolling chain (extendable to 20 inches) for a delicate and flattering fit. Perfect for gifting, this necklace makes a thoughtful present for women, mothers, daughters, or friends on any special occasion. Its classic design and premium craftsmanship ensure it remains a cherished accessory. We prioritize customer satisfaction with strict quality inspections and reliable after-sales support. If any issues arise, our dedicated team is ready to assist you.