【India】Diamond Update: Why is the Golconda Blue Considered Among the Rarest Diamonds?

Editor’s Note

This article explores the legendary Golconda Blue diamond, a gemstone celebrated for its unparalleled color and rarity. Originating from India’s historic mines, it remains a pinnacle of natural beauty and a coveted treasure among collectors worldwide.

The Allure of the Golconda Blue

The Golconda Blue diamond, renowned for its exceptional color and clarity, is celebrated as one of the world’s most precious and rare gemstones. Originating from the historic Golconda mines in India, these diamonds are prized by collectors and connoisseurs globally.

Factors Defining Rarity and Value

Several key factors contribute to the Golconda Blue’s status and immense value within the gemstone market.

Historic Provenance

The legendary Golconda region was the source of many famed historical diamonds, lending an unmatched heritage and mystique to stones from this origin.

Exceptional Color and Clarity

These diamonds possess a unique, highly saturated blue hue often described as “cornflower blue,” combined with remarkable internal purity (Type IIa), making them exceptionally rare.

Market Dynamics and Index Updates

The value of such rare diamonds is closely tracked by gemstone price indices. Recent updates to these indices reflect the sustained and growing demand for top-tier colored diamonds, with Golconda Blues consistently commanding premium prices at major auctions worldwide.

Full article: View original |
⏰ Published on: February 06, 2026