Sotheby's Sells Jewels of "First Supermodel"
June 01, 26
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...

31.77-ct Paraiba Tourmaline could Fetch $650,000
June 01, 26A 31.77‑carat Paraiba tourmaline will be offered for sale with an estimate of $550,000 to $650,000 at Phillips New York. It is one of the "newest" gemstones. Tourmaline was recognized as a distinct mineral species back in the mid-1700s but Paraiba tourmaline... Read More...

Signet Buys The Clear Cut to Boost Blue Nile
May 31, 26ignet has bought The Clear Cut, a high-end, online-only retailer for an undisclosed sum, and will integrate it into its Blue Nile brand. It's part of Signet's "Grow Brand Love" turnaround strategy, unveiled by CEO J.K. Symancyk in March 2025, aimed at ... Read More...

GIA Buys 30% Stake in Tracr
May 30, 26GIA is to buy a 30% share of Tracr, the blockchain-based traceability platform developed by De Beers. The deal, for an undisclosed sum, is likely designed to expand Tracr's reach beyond De Beers stones so it can evolve across the industry. For GIA it reinforces.... Read More...

$25.6m Jadeite Necklace Just Misses World Record
May 28, 26A 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...

Memo by John Jeffay
May 27India 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...