Answer
Aug 17, 2026 - 12:29 PM
Grade reflects the overall quality of a Black Onyx Cabochon, affecting color consistency, surface finish, and durability. The best grade is typically AAA, indicating superior evenness in color, high luster, and minimal inclusions or blemishes. Choosing a high-grade stone ensures visual appeal and longevity. Many products, such as Cabochon Marquise Black Onyx, Buff Top Emerald Cut Black Onyx, and Black Onyx Flat Square Cut are offered in AAA grade, guaranteeing top-tier quality. Since all listed products are AAA, customers can shop confidently for premium stones.
