IDEX Online - Polished Market Polished Market
- GIA to Determine Origin of Opal, Peridot, and Demantoid Garnet
on 14 December 2025 at 11:00 amThe Gemological Institute of America (GIA) is expanding its origin-determination services to include opal, peridot, and demantoid garnet from January. The origin of these gemstones can drastically affect their value. Black opal from Australia is more ...
- Alrosa Upbeat, Despite Tariffs and Lab Grownson 14 December 2025 at 9:00 am
Alrosa CEO Pavel Maryinchev gave a remarkably upbeat assessment of the natural diamond market, telling the Times of India (TOI) that the industry is adapting well to US tariffs and that the threat from synthetic diamonds is diminishing. Maryinchev....
- Sotheby's Landmark Jewelry Sale Raises $44mon 10 December 2025 at 5:00 am
Sotheby's marked the opening of its new global headquarters in New York by holding its first evening jewelry auction in a decade, achieving total sales of $43.9m. The sale, on 8 December, featured A Legacy of Elegance: Jewels from an Exceptional ...
- Tanishq Opens Biggest US Store, Taps into Indian Diasporaon 9 December 2025 at 6:00 am
Tanishq, the jewelry chain headquartered in Bengaluru, has opened its largest store in the US - as it taps into an Indian diaspora estimated at 4.5 m people. The new 5,000 sqft showroom in Tysons, Virginia, brings the brand to the Greater Washington, D.C...
- Passenger Caught with $53,000 Hidden Diamondson 9 December 2025 at 4:00 am
A passenger was caught with RUP 43.97 lakh (USD 53,000) of polished diamonds hidden in a suitcase as they prepared to a board a plane from India to Bangkok, Thailand. Customs officials at Surat Airport seized 154.81 carats on 5 December, as well as...