Plumb Club Association

  The Margin Sheet on the Table In a cutting office in Surat, the spreadsheets tell the story before anyone speaks. Rough prices hold firm. Polished prices soften. Financing costs inch upward. A single two carat stone can pass through ten hands before it reaches a boutique. Each hand expects margin. Diamond manufacturers operate at the center of that tension. They absorb volatility from rough suppliers and pricing pressure from retailers and Wholesale Jewelry Distributors who demand competitive inventory. The price squeeze is not theoretical. It is operational. This outline explores strategic responses that protect profit without sacrificing long term positioning. Diamond Manufacturers in a Margin Crunch: Cost Control, Vertical Strategy, and Wholesale Jewelry Distributors Understanding the Structural Pressure Manufacturers face pressure from both ends of the supply chain. Rough diamond contracts often fix supply terms months in advance. Retail demand, however, fluctuates with cons...

  Under White Light, Before the Stone Is Set Inside a private viewing room in Antwerp, a loose stone rests on a matte black tray. No setting. No theatrics. Just a 5.02 carat emerald cut diamond and a client who asks a single question before discussing price. “Where did it come from.” A decade ago, that question arrived quietly, often after cut and color. Now it leads. For luxury jewelry investors and private clients, provenance has moved from footnote to primary filter. The shift has altered negotiations across the industry, from miners to polishers to Diamond Manufacturers supplying maisons on Place Vendôme. Transparency now trades like a commodity. It protects value, anchors brand equity, and determines whether a stone feels future proof. This outline examines the mechanics of traceability, the strategic response from manufacturers, and why disclosure has become as important as brilliance. Diamond Manufacturers and the Rise of Provenance Tracking From Mine to Market: A Fragmente...