These diamonds, known collectively as the Golconda diamonds, are special because they have few inclusions and are very low in nitrogen, making them very clear and free of sparkle-disrupting flaws.

Researchers may have uncovered the true origins of renowned flawless diamonds such as the Koh-i-noor and Hope Diamond, known as Golconda diamonds for their clarity and size. These diamonds ...

Great explorer Marco Polo once remarked that India produces the finest diamonds, with Golconda stones being prized for their exceptional quality and purity. The Golconda mines ceased diamond ...