A jeweller's loupe resting beside a loose diamond on a black velvet inspection pad

Jewellery.HK Intelligence

Gold Cost Calculator

Calculate metal cost in HK$ from weight and purity, then build up to a scenario retail price. All maths runs in your browser.

Result

Metal cost

Total cost

Scenario retail price

Inputs

Metal

Purity

Weight (grams)

Reference price (HK$/gram) — sample reference, enter your own

Derived as: US$4,411.00/oz × USD/HKD 7.85 ÷ 31.1035 = HK$1,113.26/g (gold shown; recalculated per metal selected above). Monthly reference data — not a real-time executable bullion quote.

Source: World Bank Pink Sheet — Gold (monthly) (WB-PINK-GOLD). Retrieved: 2026-09-25.

Labour (HK$)

Stones (HK$)

Overhead (HK$)

Target margin %

Reference price scenarios

Monthly reference data — not a real-time executable bullion quote. Scenario retail price re-applies your labour, stones, overhead and target margin at each bumped metal price.

Reference price change	Metal cost	Scenario retail price
Current
+5%
+10%
+20%