Answer
Jul 21, 2026 - 11:33 AM
Grade is an important consideration when purchasing Black Onyx - Calibrated because it reflects the gemstone’s quality, including factors like color uniformity, polish, and overall finish. The recognized best grade is AAA, which signifies top-tier stones with excellent color, clarity, and craftsmanship. All products listed, such as the Checkerboard Antique Square Genuine Black Onyx in Grade AAA and Oval Faceted Black Onyx in Grade AAA, are offered in this premium grade, ensuring buyers receive gems with consistent, high-quality appearance. Choosing AAA grade means you can expect stones with exceptional beauty and durability across a variety of shapes and sizes.
