PMI
The Ledger Intelligence System
Precious Materials Index
A weekly reading of gold, silver, platinum group metals, diamonds, and gemstone markets through the lens of macro pressure, supply dynamics, and demand behavior.
Updated weekly — May 11, 2026
93
Gold Monetary Pressure
Gold remains the clearest physical hedge against currency, inflation, and geopolitical uncertainty, though the signal eased slightly this week.
87
Diamond Market Stress
Natural diamonds remain under trade pressure, with resilience concentrated in better-quality and larger goods rather than the broad market.
90
Lab-Grown Disruption
Lab-grown pricing remains structurally pressured as production scales and the category behaves more like manufactured inventory.
Metals Pressure Map
Precious metals are still being pulled between safe-haven demand, industrial use, record pricing, and liquidity-driven corrections.
Gold
Gold remains the center of the materials story. Central bank buying and investment demand continue to support the market, but record pricing is weighing heavily on jewelry volume.
Silver
Silver is carrying both monetary and industrial signals. It remains more volatile than gold and is still an important confirmation point for the broader precious metals move.
Platinum
Platinum remains tied to industrial demand, jewelry substitution, hydrogen narratives, and South African supply concentration.
Palladium
Palladium remains more cyclical and auto-linked, with weaker safe-haven behavior and continued sensitivity to substitution and vehicle demand.
Diamond Market Split
Diamonds are no longer moving as one market. Natural diamonds, lab-grown diamonds, and luxury jewelry demand are separating into distinct pricing stories.
Natural Diamonds
Natural diamonds remain challenged at the trade level. Larger, higher-quality stones are relatively more resilient, while lower-quality and smaller goods remain more exposed to weak demand and lab-grown competition.
Lab-Grown Diamonds
Lab-grown diamonds are following a manufacturing curve, not a scarcity curve. Price compression remains structural as supply scales and retail positioning shifts toward affordability and size.
GIA Framework Shift
GIA's simplified framework for lab-grown diamonds reinforces the divide between rarity-based natural diamonds and manufactured supply.
Trade Pressure
Dealers, retailers, and brands are still adjusting inventory strategy, pricing language, and consumer education around the natural versus lab-grown split.
Jewelry Demand Read
The jewelry market is not simply weak. It is being squeezed by high material prices, selective consumers, and a widening gap between emotional value and commodity cost.
Gold Jewelry
Gold jewelry volume remains under pressure from record prices, even as total spending remains high. Buyers are paying more for less metal weight.
Bridal
Bridal buyers remain active but more value-aware. The diamond choice is increasingly framed as natural rarity versus lab-grown size access.
Luxury
Luxury demand remains more resilient at the high end, but mid-market jewelry is more exposed to affordability pressure and category confusion.
What Moved the Index
Gold cooled, but stayed elevated
Gold pulled back slightly this week, but central bank demand, ETF flows, geopolitical risk, and inflation sensitivity keep the overall pressure reading high.
Jewelry volume remains squeezed
High gold prices continue to reduce jewelry tonnage, even as consumer spending on gold jewelry remains elevated in dollar terms.
Diamonds remain uneven
Diamond pricing remains mixed. Some smaller categories improved, but broader natural diamond demand and lab-grown competition keep the market in reset mode.
What to Watch Next
Gold flows
ETF movement, central bank buying, dollar strength, real rates, and safe-haven demand remain the most important signals.
Jewelry affordability
Watch whether high gold prices continue reducing jewelry volume in India, China, and the United States.
Diamond pricing
Watch RapNet/Rapaport direction, polished pricing, rough sales, De Beers production discipline, and inventory stress.
Lab-grown pricing
Retail discounts, wholesale compression, consumer adoption, certification language, and bridal versus fashion positioning remain the key tells.
How the Index Is Calculated
The Precious Materials Index uses a weighted editorial model. Scores are constrained by public price data, demand reports, trade commentary, jewelry demand, and structural shifts in natural and lab-grown diamonds.
| Category | Weight | Score | Contribution | Current Reason |
|---|---|---|---|---|
| Gold Monetary Pressure | 24% | 93 | 22.3 | Gold eased slightly this week, but remains highly elevated due to central bank buying, investment demand, geopolitical risk, and inflation sensitivity. |
| Silver Pressure | 10% | 84 | 8.4 | Silver remains volatile as both a monetary and industrial metal, with stronger pressure than last week. |
| Platinum / Palladium | 10% | 75 | 7.5 | Industrial and auto-linked metals remain pressured, but they are still less central than gold. |
| Natural Diamond Stress | 18% | 87 | 15.7 | Natural diamonds remain challenged, with mixed polished pricing and resilience concentrated in better-quality and larger goods. |
| Lab-Grown Disruption | 16% | 90 | 14.4 | Lab-grown supply and pricing continue to reshape consumer expectations, retail positioning, and long-term value perception. |
| Jewelry Demand Pressure | 14% | 85 | 11.9 | Jewelry volume remains weak under high gold prices, even as value spending remains elevated. |
| Colored Gemstone Scarcity | 8% | 78 | 6.2 | Fine colored stones remain supply-sensitive, origin-sensitive, and less commoditized than diamonds. |
| Total | 100% | Weight | 86.4 → 86 | High material pressure, led by gold, weak jewelry volume, and diamond-market disruption. |
Sources & Method Note
The reading is based on public metals data, demand reports, diamond trade commentary, jewelry demand signals, and lab-grown diamond market structure.
Used for gold, silver, platinum, and palladium spot-price context.
Used for gold demand, central bank buying, ETF flows, jewelry demand, and regional consumption trends.
Used for current metals-market movement, geopolitical pressure, dollar movement, oil pressure, and rates sensitivity.
Used for rough diamond conditions, production discipline, market weakness, and natural diamond demand context.
Used for polished diamond market direction, lab-grown competition, inventory, and trade-level pricing behavior where publicly available.