This stunning half pave cubic zirconia stones heart pendant has a gorgeous eye-catching design. Cubic Zirconia is a diamond simulant composed of zirconium dioxide. Crafted from high-quality, durable stainless steel. Stainless steel is an alloy of iron that is resistant to rusting and corrosion. Adjustable 28" chain with a 3 inch extender. This stunning necklace is the perfect accessory for any occasion.