British jeweller Graff unveiled Thursday what it described as the "most valuable watch ever created" -- a timepiece replete with more than 110 carats of diamonds costing $55 million (40 million euros).
Australian police said Friday they had arrested and X-rayed a man over the theft of a pink diamond worth more than US$180,000, with fears he had swallowed the rare jewel.
Swiss watchmaker Swatch Group has won a lawsuit against US jewellery group Tiffany & Co over a failed joint venture to jointly design and market luxury watches.
From the royal diadem worn by Kate Middleton at her wedding to an outsized maharaja's necklace, hundreds of glimmering treasures go on show this week in a major Paris exhibit on Cartier.
From replacement kidneys to guns, cars, prosthetics and works of art, 3D printing is predicted to transform our lives in the coming decades as dramatically as the Internet did before it.
The annual sale of Rio Tinto's rare pink-hued diamonds attracted unprecedented interest with at least two of the stones fetching record prices of over $2 million.
A French climber scaling a glacier off Mont Blanc got more than satisfaction for his efforts when he stumbled across a treasure trove of emeralds, rubies and sapphires.
An armed man stole jewels with an estimated value of 40 million euros ($53 million) in a brazen heist in broad daylight at a diamond exhibition in the French Riviera resort of Cannes Sunday.
A former executive of iconic New York jewelry store Tiffany was arrested on Tuesday for stealing more than $1 million worth of valuables which she later resold.
Jewellery worth $1.4 million due to be loaned to stars at the Cannes Film Festival was stolen from a local hotel in a pre-dawn heist on Friday but the coveted Palme d'Or trophy was safe.
Rio Tinto said Friday it was putting up for sale the biggest "red" diamond ever produced by its Australian mine amid an "explosion" in demand from Asia for the rare pink-hued stones.