Precious Materials Index
A weekly index tracking the material conditions behind fine jewelry — gold, platinum, natural diamonds, and the sourcing environment that shapes quality, availability, and long-term value for clients and makers.
Updated weekly — July 6, 2026
85/100
Market Pressure
Strategically Firm
Elevated
Elevated
Firm
Premium Natural
78/100
Selectively firm in key sizes
Commercial Natural
55/100
Price-sensitive
Lab-Grown
88/100
Share pressure rising
Jewelry Demand Pressure
78/100
Bridal and high jewelry firm
Colored Gemstone Scarcity
74/100
Key origins constrained
This Week
85/100
Last Week
85/100
2 Weeks Ago
85/100
3 Weeks Ago
83/100
Material markets remain connected to broader macro and reserve-asset conditions — but jewelry sourcing follows its own segmented logic beneath the geopolitical layer.
Cross-System Pressure
- Central-bank net gold accumulation continued in May — reserve diversification supports the structural read beneath near-term real-yield sensitivity.
- De Beers is aligning July sight rough pricing closer to market conditions while maintaining a leaner sightholder base — selective adjustment, not broad market stress.
- Lab-grown pricing compression continues in commercial and mid-tier ranges as an embedded factor, while premium natural holds firmer in selective sizes and cuts.
- High-quality natural stones increasingly behave as scarcity and reserve assets rather than simple luxury cyclicals.
Central banks added a net 41 tonnes in May, with Poland, China, and other reserve managers continuing accumulation — structurally firm beneath real-yield sensitivity.
De Beers signaled July sight pricing alignment closer to market conditions amid a leaner sightholder roster effective July 1.
Lab-grown compression persisted in mid-tier channels as an embedded segmentation factor, not a newly accelerating shock.
Whether gold reconnects to reserve-asset demand or remains tethered to real yields through the summer rate path.
De Beers July sight outcomes and whether rough-price alignment stays selective rather than broad.
Whether high-quality natural diamonds continue holding firm as scarcity assets in premium categories.
Lab-grown pricing pressure and its effect on commercial natural positioning — not premium heirloom-grade work.
Sourcing discipline in a segmented market — provenance and selective inventory over reactive accumulation.
| Component | Weight | Notes |
|---|---|---|
| Metals complex | 30% | Gold, silver, platinum, palladium |
| Diamond market stress | 35% | Natural, lab-grown, segmented demand |
| Jewelry demand pressure | 20% | Bridal, high jewelry, channel load |
| Gemstone scarcity | 15% | Colored stones, selective supply |
Sources include public metals benchmarks, wholesale diamond market commentary, trade press, and Hourglass sourcing intelligence. Figures are normalized to a 0–100 scale for comparison. This index is editorial — not a traded product or investment recommendation.