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AGSI Print digital Featured

The investment value of natural yellow diamonds is highlighted

Yellow diamonds are often described as gold and canary, reflecting their intense, warm glow. In Australia, the Ellendair diamond mining region is one of the main sources of high-value yellow diamonds. The discovery of these diamonds led to a groundbreaking…

New Production of Sapphire from Matepwende, Tanzania

Figure 1. Blue sapphires from the Matepwende area in southern Tanzania. Most of the production consists of low-clarity material in matrix. Only a very small percentage (usually weighing less than 1 ct) is clean enough to be faceted. Photo by Vincent…

An Unusual Saltwater Bead Cultured Pearl

Figure 1. Left: This gourd-shaped saltwater bead cultured pearl (2.04 g and 15.90 mm high) displays two different colors. Right: Magnification indicates that the two parts grew together naturally. Photos by Yanhan Wu. Left: This gourd-shaped saltwater…

Gemfields Emerald and Ruby Auctions

Figure 1. Fine emerald (>60 ct) and ruby (13 ct) crystals offered at the 2024 Gemfields auctions in Bangkok. Photos by Wim Vertriest. In May and June 2024, ICIA was able to attend viewings of rough gemstones prior to Gemfields auctions in…

INDIA: Gold Jewellery Imports Restricted

India’s Ministry of Commerce and Industry has restricted gold jewellery and jewellery parts import, according to an 11 June 2024 notification, which took effect immediately and aims to contain the surge in gold imports. Goods affected are gold jewellery…

2024 CIBJO Congress concludes in Shanghai,with 250 participating in person,and hundreds of thousands viewing online

The 2024 CIBJO Congress wrapped up on November 4 in Shanghai, China, after three days of formal sessions and two days of pre-congress meetings. Some 250 delegates and accompanying people participated, with about 150 flying in from abroad. The event was…

108 carat Pink Diamond Discovered in Lesotho

A fancy intense pink rough diamond weighing 108.39 carats has been recovered in the Kingdom of Lesotho, at the Kao mine operated by Storm Mountain Diamonds. This rare Type IIa gemstone is one of the largest pink diamonds in history to have been recovered. Unlike…

Canada’s Mountain Province becomes Chow Tai Fook supplier

Mountain Province Diamonds, joint-owner of Canada’s Gahcho Kué diamond mine, has announced a supply agreement with Chow Tai Fook, one of the world’s top jewelers. Under the terms of the agreement, Chow Tai Fook will purchase a selected range…