How pawn shops weigh gold jewelry with stones attached
- Mark Kurkdjian
- Jan 4
- 3 min read

You handed over a ring with a small diamond and asked, "Do you weigh the stone?" In Vancouver, offers usually move most on condition, completeness, and how easy it is to test.
Fast checks
Separate pieces and note repairs so you're inspecting the actual material.
Treat markings as clues, not proof — verification decides purity and value.
Weigh comparable pieces together so you're not guessing on pricing.
Decide whether you're comparing melt value or resale value before negotiating.
Keep matching sets together to avoid confusion and mispricing.
If stones matter, treat them as a separate question unless documented.
Price dents, missing clasps, or repairs as real deductions.
Don't let bundle hype replace weight-and-purity math.
What pawn shops actually weigh
Pawn shops weigh the whole piece as one item. That includes the gold, the stones, and any settings. Shops do this because removing stones takes time and can damage the piece. You should expect a single gross weight reading.
Why the stone matters to price
Stones change the scrap value you get for gold. The weight of a diamond or ruby lowers the proportion of gold by weight. But stones can add retail or resale value if they are real and desirable. Pawn shops separate two values: the melt value (gold only) and the piece value (gold plus stone and craftsmanship).
How shops estimate the gold content
After weighing the whole item, shops determine karat (gold purity). They do this by testing, not by guessing. Common tests are acid tests or electronic testers. Those tests tell the percentage of gold in the metal. Then the shop calculates melt value from the weight and purity.
Quick steps a shop takes (what you can expect)
Weigh the whole item on a precise scale. Record the gross weight in grams. Test the metal for karat or purity. Subtract the non-gold weight if stone weight is known or assumed. Calculate melt price from gold weight and current gold price. Add or subtract for condition, style, and stone value. Offer either a pawn amount or a purchase price.
What about removing stones first?
Removing stones before you bring the piece can change the offer. If you can remove stones safely and keep them, the shop will pay for the gold alone. But removal costs and risk of damage may lower your net gain. If the stones are valuable on their own, shops may pay more if you bring them as separate items.
A real micro-moment
You meet a seller at a market with a gold pendant and a bigger opal. You ask to see the mark and the weight. The seller says the opal is worth more than the gold; you note that and ask if the stone can come out.
How to check before you go
Bring basic info. Know the marked karat if present (like 10K, 14K, 18K). Bring any receipts or appraisals if you have them. Clean the piece gently so stamps are visible. Ask the shop to show the scale reading and the purity test result.
Red flags and negotiation levers
No scale shown or vague weight claims. Refusal to test the metal in front of you. Big gap between melt price you calculate and the offer. Pressure to sell immediately without paperwork. If the stone is loose or damaged, expect a lower price.
Bottom line: What to expect and how to protect value
Expect the shop to weigh the whole piece and then separate the math: gold weight × purity for melt value, plus any added value for stones or design. Do your homework on karat marks and current gold price. If the stone might be worth more on its own, ask about separating it or bring it out to show the shop.
A quick way to tighten the offer is to make verification fast. Keep sets together, bring the right charger or cable, and show model labels so testing doesn't start from zero.
If you're unsure whether something is locked, repaired, or missing a small part, say so early. Clear uncertainty is easier to price than a surprise discovered mid-test.
If an accessory changes usability, bring it. A missing charger, adapter, remote, or case often turns a clean sale into a slower, discounted offer.
Today's takeaway: Ask to see the scale and the purity test so you know exactly how much gold (not just the whole piece) the shop is paying for.































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