gemstone-sorting

The world’s largest diamond cutting and polishing center exists in Surat, the second largest city in India’s Gujarat province. There are well over 5,000 cutting and polishing factories, ranging from family run businesses to many of the diamond industry’s biggest players.

Since the 15th century the diamond ring has been the celebrated symbol of faithfulness, love and commitment. Starting in 1975, […]

IGI is expanding its operations at the Bharat Diamond Bourse in Mumbai, India. The institute will continue providing full-fledged sorting and screening services from a new facility which will handle greater capacity.

A diamond’s journey through our laboratory is one of sophisticated assessment and analysis. From intake through inscription, every step is performed with careful attention to detail and thorough, transparent reporting. See how Your Diamond Story may be told to the world with confidence, in this descriptive video.

IGI Hong Kong is pleased to announce the opening of new headquarters in the historic Hung Hom district, the home of numerous jewelry producers, international jewelry trade shows and expos and the Hong Kong Jewelry Manufacturer’s Association.

Nature never stops providing the extraordinary, unexpected and unique. This adamantine oddity was unearthed at an open-pit mine 200 miles north of Nyurba, Russia last October. Specialists immediately passed it to ALROSA’s Research and Development Geological Enterprise.

Have you heard of X-Ray diamond sorting? If not, be my guest and travel behind the scenes to an alluvial diamond-mining operation overseen by our friends at Alrosa. They have provided an amazing video example of this efficient method of separating the wheat from the chaff, as it were.

For countless ages a steady stream of rough diamonds tumbled down the Orange and Vaal Rivers to the sea, washed there from inland volcanic pipes. Distributed far and wide along the coast by tidal activity, millions of carats now lie hidden beneath the territorial waters of Namibia.