As an expert in the field of jewelry, we guarantee that any Moissanite jewelry over 0.3 carats comes with a certificate detailing its unique properties. For your peace of mind, we also offer a limited warranty and are available for any inquiries regarding your purchase. This stunning ring is crafted from 925 sterling silver and features dazzling Moissanite and Zircon stones with a carat weight of 1. To maintain its quality, we advise avoiding wearing it during physical activity as sweat can cause silver chloride and copper sulfide to form, leading to deterioration and corrosion over time.