The 15 to 20 new designs that Santi produces each year feature historical stones such as spinels, sapphires and diamonds from the Golconda mines, stones that Choudhary believes have a special value.

This renaissance can be seen not only in museums and on runways but also at auction houses, where pieces such as Golconda diamond jewellery and suites created in collaboration with Indian royalty ...

Before her failed effort to flee Paris in 1791, Marie Antoinette handed a diamond to her loyal hairdresser. It's now appearing at Christie's.

The Golconda Blue, a 23.24-carat Fancy Vivid Blue diamond once owned by Indian royalty, is among the rarest gems ever auctioned, valued up to $50 million. With royal provenance, exceptional colour, ...

The science pros at TKOR uncover how peanut butter can turn coal into fake diamonds. G7 has been Trump-proofed to avoid trouble – here’s how Milwaukee Brewers Grant .290-Hitting Outfielder His ...