Lesotho's Biggest Diamond Mine Halts Operations

June 03, 26 by John Jeffay

The Kao diamond mine, in Lesotho, is to halt operations at the end of this month. Loss-making operators Storm Mountain blames a slump in sales, together with a crippling rise in fuel prices as a result of conflict in the Middle East. It also said growing... Read More...

GJEPC Joins Natural Diamond Council

June 02, 26 by John Jeffay

India's Gem & Jewellery Export Promotion Council (GJEPC) has become the first industry body to join the Natural Diamond Council (NDC). It signals a strategic shift toward tighter global coordination in the natural diamond industry by the country ... Read More...

Unseen Imperial Russian Jewels for Sale

June 02, 26 by John Jeffay

Rare Imperial Russian jewels, including Catherine the Great's diamonds, and a Faberge necklace from the reign of Nicholas II, are to be offered for sale by Sotheby's New York. "It is difficult to overstate their rarity and historical importance," said the... Read More...

Signet Sales Boosted by Recovery Strategy

June 02, 26 by John Jeffay

Signet Jewelers reported a 1.8% increase in same store sales (SSS) for the last three months, a reversal of the 0.7% decrease during the previous quarter. Total sales for Q1 2027, ending 2 May 2026, were $1.55 billion, up 2.7% year-over-year. "We drove topline... Read More...

Sotheby's Sells Jewels of "First Supermodel"

June 01, 26 by John Jeffay

Sotheby's London is selling a private collection of rare Art Deco Cartier jewelry that once belonged to 1920's "supermodel" Phyllis Frank (nee Francatelli). She was an original model for The House of Lucile, the world's first global couture brand and ... Read More...

Memo by John Jeffay

May 27

India now exports more carats of lab growns than it does natural diamonds - 18.84 million carats versus 16.00 million in the year to March 2026*. It sounds like a big deal, but is it really anything more than the industry reaching an inevitable milestone? ...  Read More...