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

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.

Learn what a 375 stamp on gold actually means, how it compares to other karats, and what it means for value, wear, and resale.

Mikimoto pearls are famed cultured Akoya pearls born in Japan. Discover what makes them unique and why their price commands a premium.