Independent information platform about jewellery, gemstones, gold and the jewellery industry in Sri Lanka.

SriLankaJewellery.com

Tools & Calculators

Practical tools that run entirely in your browser, no account, no data sent anywhere. Each tool links to the guides that explain the numbers behind it.

Antique gold necklace beside a brass balance scale and calibration weights on dark stone
Gold Purity CalculatorConvert karat to fineness, and calculate the pure gold content and weight of your jewellery.Open tool
Engraved gold bangle being weighed on a digital jeweller’s scale with a softly glowing display
Jewellery Price CalculatorCombine metal value, making charges, wastage, stones and fees into a transparent estimate.Open tool
Generic unreadable gemstone report with a loose pale-blue sapphire and a folding loupe resting on it
Certificate ExplainerEnter the fields from a gem report and get a plain-language explanation of each one.Open tool
Closed leather ring box, folded unreadable receipt, jeweller’s loupe and velvet pouch laid out on dark wood
Jewellery Purchase CheckerA structured pre-purchase checklist that shows what is still missing and which questions to ask.Open tool

Converters & Checklists

Carat Weight ConverterCarats, grams, milligrams and points: exact conversions for reading reports and receipts.Open tool Sovereign ConverterMove between grams and sovereigns (8 g), and between per-gram and per-sovereign prices.Open tool Gemstone Hardness ComparisonCompare Mohs hardness across every profiled gemstone, with wearability notes.Open tool Export Document ChecklistOrganise receipts, reports and declarations before taking gems or jewellery out of Sri Lanka.Open tool