$25.6m Jadeite Necklace Just Misses World Record

May 28, 26 by John Jeffay

A green jadeite necklace sold for HKD 200.2 million ($25.6 million) at Christie's Hong Kong, narrowly missing a world record. The Ethereal Jadeite Necklace, featuring 61 jadeite cabochon beads, hit its high estimate (HKD 110 million to 200 million).  Read More...

African Producers: Use 4Cs Only for Natural Stones

May 28, 26 by John Jeffay

African diamond producers are calling for lab growns to be measured in grams rather than carats, and for 4Cs grading to be reserved only for natural stones. The African Diamond Producers Association (ADPA) announced the move on Monday (25 May) ... Read More...

Caution among Emerald Buyers, says Gemfields

May 27, 26 by John Jeffay

Gemfields sold $26.8 million of rough emeralds at its May auctions amid cautious demand, and warned it expects to offer a smaller-than-usual selection for sale next month. The UK-based gemstone miner also said it would have to be flexible about... Read More...

Screen Icon: Christie's to Sell Claudia Cardinale's Jewelry

May 27, 26 by John Jeffay

Jewelry that belonged to Italian screen icon Claudia Cardinale is to be auctioned at Christie's Paris. Highlight of the sale is a 1960s Serpenti watch by Bvlgari - part of an iconic line of snake‑inspired watches, with pear-shaped sapphires for eyes... Read More...

The End of the (Ice) Road?

May 26, 26 by John Jeffay

The long-term future of the world's longest ice road - a vital supply line for diamond deposits in Canada's frozen north - is in doubt after the closure of one mines, financial difficulties of the other two, and milder winters. The 370-mile Tibbitt to Contwoyto... Read More...

Memo by John Jeffay

May 21

Last week's ruling against two retailers who omitted the words "lab grown" from their online diamond ads shouldn't have surprised anyone. But it did. It surprised both the retailers who had been found to have broken advertising rules, and in very different ways....  Read More...