Weekly Edition

Sep 8, 2026

•

5 min read

The Quiet Ends. Nine Days From Now.

Sotheby's Hong Kong, September 17 — the autumn curtain-raiser

Weekly Edition

Sep 1, 2026

•

4 min read

The Sapphire That Isn't Blue.

The 5-minute weekly intelligence on the colored stone market. · September 1, 2026

Carat Brief

Weekly Edition

Aug 25, 2026

•

4 min read

Rarer Than Emerald. Cheaper Too.

The 5-minute weekly intelligence on the colored stone market. · August 25, 2026

Carat Brief

Weekly Edition

Aug 18, 2026

•

3 min read

Revenue Rebounded. The Grade Didn't.

The 5-minute weekly intelligence on the colored stone market. · August 18, 2026

Carat Brief

Weekly Edition

Aug 11, 2026

•

6 min read

One Hill on Earth. Nowhere Else.

The 5-minute weekly intelligence on the colored stone market. · August 11, 2026

Carat Brief

Weekly Edition

Aug 4, 2026

•

5 min read

Emerald by Day. Ruby by Night.

The 5-minute weekly intelligence on the colored stone market. · August 4, 2026

Carat Brief

Weekly Edition

Jul 28, 2026

•

6 min read

It Fooled Kings. It Needs No Heat.

The 5-minute weekly intelligence on the colored stone market. · July 28, 2026

Carat Brief

Weekly Edition

Jul 21, 2026

•

5 min read

The Diamond Broke. Color Held.

The 5-minute weekly intelligence on the colored stone market. · July 21, 2026

Carat Brief

Weekly Edition

Jul 14, 2026

•

5 min read

Emerald Refilled. Paraíba Blurred.

The 5-minute weekly intelligence on the colored stone market. · July 14, 2026

Carat Brief

Weekly Edition

Jul 7, 2026

•

5 min read

Premium Ran Thin. Demand Held.

The 5-minute weekly intelligence on the colored stone market. · July 7, 2026

Carat Brief

Weekly Edition

Jun 30, 2026

•

5 min read

Brazil Ran Dry. The Glow Didn't.

The 5-minute weekly intelligence on the colored stone market. · June 30, 2026

Carat Brief

Weekly Edition

Jun 23, 2026

•

5 min read

Sapphire Up. Ruby Pulls Back.

The 5-minute weekly intelligence on the colored stone market. · June 23, 2026

Carat Brief

Weekly Edition

Jun 16, 2026

•

4 min read

Vivid Won. Kashmir Firmed.

The 5-minute weekly intelligence on the colored stone market. · June 16, 2026

Carat Brief

Weekly Edition

Jun 3, 2026

•

6 min read

The June Test

Edition #003 · June 3, 2026 · The 5-minute weekly intelligence on the colored stone market.

Carat Brief

Weekly Edition

May 26, 2026

•

6 min read

Emerald Up. Ruby Held Back.

The 5-minute weekly intelligence on the colored stone market.May 26, 2026

Carat Brief

Weekly Edition

May 22, 2026

•

4 min read

The Stone That Cannot Be Mined Again

The 5-minute weekly intelligence on the colored stone market. Edition #001.May 22, 2026 · Founding edition

Carat Brief