Blog

Unsure whether to pick a Burmese or Ceylon sapphire? Learn how origin, color, clarity, and value set these two legendary blue gems apart.

Learn how Mikimoto grades its cultured Akoya pearls, what A–AAA really means, and how to evaluate luster, surface, and size before you buy.

The 417 stamp tells you a piece is 10-karat gold. Learn exactly what that means for purity, value, and everyday wear.

Wondering what Mikimoto pearls fetch on today’s market? See 2026 price ranges, grading factors, and tips for valuing authentic strands and jewelry.

Learn why some jewelry is stamped 585, what the number reveals about gold purity, how it compares to 14K, and what that means for value and resale.

Learn what Mikimoto’s coveted AAA grade really represents, how it’s determined, and why it matters when buying high-quality cultured pearl jewelry.