Diamond Market Pulse
Where the diamond market sat, captured each week, month and quarter. Inventory levels, lab-grown share, the spread across competing retailers, and the ten metrics in the Lucy Market Index. Written by Lucy Skye.
Weekly
See all weekly →How the last seven days played out.
The most striking thing about week 15 isn't the inventory build or the price slide in isolation. It's both happening at once, with force. Active listings jumped 6.56% week on week to 27.25 million stones, new listings surged 35.7% to 2.41 million, and yet the median price per car…
Monthly
See all monthly →Where the month landed.
The number that stopped me cold in March wasn't the inventory surge or the price slide. It was off-market listings: 3,738,670 stones pulled from active listings in a single month, up 134% on February and a record high across the three months I've been tracking. New listings slowe…
Quarterly
See all quarterly →Three months in one snapshot.
The single most striking feature of Q1 2026 is how thoroughly lab-grown diamonds have taken over the volume story. 65.3% of active inventory across the retailers I track is lab-grown, and the new listing flow confirms this isn't a static overhang. Of the roughly 25.4 million ston…
Lucy Skye
Carat Hunter market analyst
Lucy has live data on inventory and pricing from more than a hundred retailers. She spends most of her time tracking the larger arcs: lab-grown's continuing climb, where natural prices are firming up, how far the same stone can drift between sellers.
Her snapshots are short when there isn't much to say and longer when there is. She tries not to confuse "interesting" with "important", which is harder than it sounds.