Precision Luxury
Costing and Quoting Fine Jewelry: What Actually Drives Cost Per Piece
How to price a fine jewelry or watch piece so the quote holds when metal moves and small batches eat your setup.
Metal dominates the quote, so price it as spot plus a loss and fabrication uplift, not raw spot. If gold spot is 2,350 dollars per troy ounce, that is 75.55 dollars per gram of pure. 18K is 75 percent fine, so metal value alone is about 56.66 dollars per gram, and a 4.2 g ring carries roughly 238 dollars of metal before you touch labor. Add a fabrication and loss uplift of 8 to 15 percent to cover the metal that never ships as product. Skip that uplift and you eat the 3 to 5 dollars per gram that ends up as lemel and sprue.
Bench labor is the second lever and it is priced in minutes, not vibes. A setter or watchmaker fully burdened runs 45 to 85 dollars per hour in the US, or 0.75 to 1.42 dollars per minute. A halo ring needing 70 minutes of setting is 52 to 99 dollars of setting labor alone. Use the Stone Setting Labor and Polishing Time calculators to convert per stone and per stage minutes into money, then multiply by your burdened rate. Estimators who quote a flat setting fee per piece bleed margin on pave heavy work and overcharge on plain bands.
Small batch setup is where luxury quotes quietly go negative. Wax injection tooling, tree building, investing, and burnout carry fixed cost that does not shrink with quantity. A 400 dollar setup spread over 500 pieces is 0.80 dollars each, but over a 12 piece bespoke run it is 33.33 dollars each. The Small-Batch Setup Cost calculator amortizes mold cutting, flask prep, and first article inspection across the lot. For runs under 25 units, setup and inspection often exceed metal, so quote them as a separate line rather than burying them in a per gram rate.
Scrap is a recovery, not a rounding error, and it belongs in the quote as a credit. If a job issues 560 g and ships 420 g, the 140 g of sprue and turnings has real value. At 56 dollars per gram of contained 18K and a 96 percent refiner return net of a 4 percent lot fee, that is about 7,500 dollars recovered per kilogram of clean scrap. Model it in the Scrap Recovery Value calculator and reduce the quoted metal cost by the recovery you actually expect, typically 85 to 95 percent of process loss for clean, well segregated alloy.
Plating and coating cost is small per piece but easy to under-quote at volume. A 2.5 micron hard gold plate over 40 dm2 might deposit around 2 g of gold across a load, so at 75 dollars per gram that is 150 dollars spread over the load plus bath chemistry, rectifier time, and rack labor. Per piece it may be 0.50 to 3 dollars, but on a 5,000 piece contract that is 2,500 to 15,000 dollars. Run it through the Plating Bath Cost calculator so the gold in the bath is priced at spot, not at a stale standard cost.
Overhead, inspection, and traceability carry more weight in luxury than in commodity manufacturing. High magnification inspection at 10x to 40x adds 2 to 6 minutes per piece, and serialized traceability for hallmarked or certified goods adds handling, laser marking, and record keeping. Use the Inspection Magnification Workload and Serialized Item Traceability calculators to load those minutes in rather than hiding them in a blanket overhead percentage. A blanket 30 percent overhead badly under-recovers on certified diamond goods where documentation alone can add 5 to 10 dollars per unit.
Build the quote as a stacked bill so you can defend every line when a buyer pushes back. Metal at spot plus uplift, minus scrap credit, plus setting labor, plus polishing, plus plating, plus setup amortization, plus inspection and traceability, plus your margin. For a 4.2 g 18K halo ring in a 250 piece run, that might read 238 metal, minus 20 scrap credit, plus 65 setting, plus 12 polishing, plus 2 plating, plus 4 setup, plus 6 inspection, giving a 307 dollar cost before margin. Where estimates go wrong is stale spot, flat setting fees, and forgotten setup on short runs.
Repair and warranty reserve is the line most shops forget until it hits the P&L. Rhodium wears, prongs fatigue, and clasps fail, so set aside a reserve based on historical return rate times average repair cost. If 3 percent of pieces come back and average repair labor plus metal is 40 dollars, the per piece reserve is 0.03 times 40, which is 1.20 dollars. On watches the reserve runs higher because movement service and water resistance testing push repair cost past 150 dollars. The Repair Reserve calculator sizes this so warranty does not silently convert a 20 percent gross margin into 14 percent.
Published 2026-07-01.