(IDEX Online) - The Aga Khan Emerald, 37-ct centerpiece of a platinum and gold Cartier brooch, is expected to fetch $6m to ...

The jewels of Glenn Spiro are unlike those found in the collections of more traditional maisons. Laid out on a desk in the ...

Many gemstones, such as Burmese rubies and Colombian emeralds, have historically been highly prized for their rarity. Stones with personal significance, like birthstones, are in demand for their ...

Drawn together by a shared commitment to responsible mining and a love of Zambian emeralds, Gemfields and Eshli Fine Jewelry have collaborated on a range of emerald jewels. Eshli is a high-end fine ...

The gems must be verified as natural ... "You can't walk into a store and easily find untreated Colombian emeralds or Kashmir sapphires," Travis explains. "An untreated sapphire that comes out of the ...

But less than 1 per cent of Colombian emeralds are 'no oil', and other origins like Zambia, Russia, Ethiopia, offer similarly limited inventory with untreated emeralds. Gemstone value is ...

There are a number of semiprecious gems, many quite beautiful, but diamonds, rubies, sapphires, and emeralds continue to qualify as "precious." (At one time, amethyst was also considered a ...

The rarity of precious gemstones comes down to the geologic process of their formation. Sparkling diamonds and verdant emeralds are some of the most coveted and priciest gemstones. But which ...

The Bahia Emerald, a minifridge-sized mass of black schist and green crystals, might be worth $1 billion. Brazil wants it ...

He turned to gemstones such as coral ... and chrysoprase as leaves and a 6.59-carat cushion-cut ... [+] Colombian emerald on one side. On the other side of the bangle sits a diamond-set watch ...

Diwali, the festival of lights, is the perfect time to express love and joy through thoughtful gifts. Whether you’re ...

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