The Gold Weigh-In Kit

The KnightsTreasure kit for knowing the gold in your old jewelry, in grams and in dollars, before anyone across a counter weighs it for you

Our Gold Karat Converter tells you purity, not price, and sends you to our melt value calculator, which wants grams and a price per gram. Gold is priced per troy ounce, a kitchen scale reads a smaller ounce, a drawer of old jewelry can hold four karats at once, and a ring with a stone is weighed as if the stone were gold. The three tools never meet. The kit puts them in order. It sets aside anything that may be worth more than its metal, reads every stamp (gold-filled and plated marks included), sorts the gold into one lot per karat, weighs in grams, takes the stones off, prices a gram of each karat from the spot price, and reads every offer as a share of your own melt figure. In the worked example drawer, sorted lots come to $2,960.62 of metal at an example $3,000 an ounce; the same gold weighed as one pile and priced at its lowest karat is $1,824.42. Every figure is computed by our calculators' formulas, and the drawer, spot price and offers are examples. Melt value is the metal only: this is not an appraisal and not investment advice, and antique, signed, gem-set and historic pieces and coins go to a qualified appraiser or coin dealer first. Included: 23 printable pages with seven steps, a drawer inventory, a lot sheet, an offer sheet, reference tables and a quickstart, plus a personalised sheet worked out from the numbers you enter in our calculators.

Look inside

Two full pages from the kit, exactly as printed. Click either to read it at full size before you decide.

What is in it

• The Melt-Last Rule: what to set aside for an appraiser or coin dealer before anything is weighed
• The Stamp-Is-a-Claim Rule: karat, fineness and hallmark standards, and the gold-filled and plated marks that mean not solid gold
• The One-Karat Pile Rule: why a mixed pile is priced at one karat, and what that costs
• The Gram Rule: grams, pennyweights, troy and kitchen ounces, and the scale that reads 0.01 g
• The Stones-Are-Not-Gold Rule: stone weight off the gold weight, with a round-stone table
• The Per-Gram Rule: spot per troy ounce to the price of a gram of each karat
• The Share-of-Melt Rule: three written offers compared on one scale, and the questions to ask
• A drawer inventory, a lot sheet and an offer sheet to print
• Reference tables: a gram of each karat at seven spot prices, exact weights, and stamps that do not mean solid gold
• A personalised sheet: your karat, your lot on every scale with its melt figure, your stone off the weight, and a ruler for reading offers

The kit picks up where the free Gold Karat Converterleaves off. The converter gives purity, not price; the kit sets aside anything worth more than its metal, reads every stamp (gold-filled and plated marks included), sorts the gold into one lot per karat, weighs it in grams rather than kitchen ounces, takes the stones off the weight, prices a gram of each karat from the spot price per troy ounce, and reads every offer as a share of your own melt figure. The worked figures are examples; today’s spot price and your own scale replace them. Melt value is the metal only: it is not an appraisal, and antique, signed, gem-set and historic pieces and coins belong with a qualified appraiser or coin dealer first. Nothing here is investment advice or a view on the gold price.