FREE Gold Jewelry Calculator 2026

Jewelry Isn’t Just Gold — Valuing It Means Subtracting Everything That Isn’t

A plain gold bar’s value is its weight times its purity. A ring’s value is that minus the diamond, minus the setting’s base-metal parts, adjusted for wear — and sometimes plus a design premium. The calculator above handles the part other tools skip: you enter the total weight, deduct the non-gold weight (stones, settings), and get the melt value of the actual gold, plus a realistic buyer-offer range.

Step 1: Deduct the Stones

This is where jewelry math goes wrong. A 12-gram ring with a 2-carat diamond center stone (0.4 g) and small accents (~0.3 g total) holds about 11.3 grams of metal — and some of that metal is the setting. Common deductions:

• Solitaire diamonds: the center stone’s carat weight × 0.2 g. A 1-carat stone deducts 0.2 g; a 2-carat stone, 0.4 g.
• Pavé and halo accents: dozens of tiny stones (“melee”) typically total 0.2–0.5 g. If you don’t know, 0.3 g is a reasonable estimate for a halo ring.
• Large colored stones: sapphires, rubies, emeralds — weigh or estimate individually; a 5-carat sapphire is a full gram.
• Enamel, wood, or ceramic inlay: deduct the piece’s estimated inlay weight; these add zero gold value.

Valuable stones come out before the sale — a diamond keeps its value outside the ring, and a refinery won’t pay you for it. Our scrap gold calculator covers the sale process once you’ve separated metal from stones.

Step 2: Account for Settings and Findings

Not everything shiny in a mounting is gold. Clasps, earring posts, and ring shanks are sometimes base metal even on gold pieces — check with a magnet (strong attraction means non-gold parts). Spring rings and lobster clasps on chains are frequent culprits. If a 20-gram chain has a base-metal clasp weighing a gram, that’s a gram of nothing in valuation terms. When in doubt, have the buyer test the components separately.

Step 3: Read the Wear Honestly

Gold is soft and jewelry loses metal over a lifetime of wear — ring shanks thin out, prongs wear down, chains stretch. A ring that left the factory at 6 grams might weigh 5.6 today. That’s normal, and it’s why you weigh the piece as it is now, not as the receipt says. Heavy wear also lowers resale-as-jewelry value while leaving melt value intact — the refinery doesn’t care about thin prongs.

When Jewelry Is Worth More Than Melt

Most secondhand jewelry sells at or below melt value to trade buyers. Exceptions worth knowing:

• Designer houses (Cartier, Tiffany, David Yurman): the brand commands resale premiums, sometimes well above melt. Check completed listings, not just melt math.
• Estate and period pieces: Art Deco, Victorian, or signed pieces have collector markets.
• High-karat bridal sets in 18K+: complete, wearable, and desirable — occasionally resold as jewelry rather than scrapped.

If any of these might apply, get a jewelry appraisal in addition to the melt calculation. The calculator gives you the floor; the appraisal tells you if there’s a ceiling worth chasing.

Using the Jewelry Tool

Enter total weight, karat, estimated stone/non-gold deductions, and the payout percentage for your buyer type. The tool shows gross weight, deductible weight, net gold weight, melt value, and the expected offer range. Run it per piece — a diamond ring and a plain gold bangle have nothing in common mathematically.

Hallmarks Beyond Karat: What Else the Stamps Tell You

A loupe reveals more than the karat number. US and European pieces often carry:

• Maker’s marks — a logo or initials identifying the manufacturer. Useful for designer pieces where brand adds value, and for dating.
• “14K” vs “585” — same purity, different stamping traditions. American-made pieces tend toward karat marks; imports toward fineness numbers. Both are equally valid.
• Platinum/palladium marks (PLAT, 950) — sometimes found alongside gold marks on mixed-metal pieces. Those sections aren’t gold; exclude their weight.
• “EP,” “GP,” “HGE,” “RGP” — electroplate / heavy gold electroplate / rolled gold plate. These mean the piece is not solid gold. Stop the melt calculation here — plated pieces have effectively no melt value.

Date letters and assay office marks (common on British pieces) can help authenticate and date an item, which matters for the estate-jewelry premium question.

Valuing an Estate Lot, Not Just a Piece

Inherited jewelry usually arrives as a box, not a single ring. Work it as a lot:

1. Sort into three buckets: wearable/resellable as jewelry (branded, antique, excellent condition), melt candidates (damaged, generic, missing stones), and unknowns (unstamped, unusual).
2. Value the melt bucket first with the calculator — that’s your guaranteed floor for the whole lot.
3. Research the jewelry bucket separately — completed eBay listings for comparable designer or period pieces, or a formal appraisal for anything significant.
4. Test the unknowns before deciding which bucket they belong in.

Never let a buyer cherry-pick. The classic estate-lot mistake is selling the one Cartier piece at melt because it was mixed in with scrap. Separate first, value each bucket on its own terms, then negotiate.

Frequently Asked Questions

How do I weigh my jewelry without a jeweler’s scale?

A digital kitchen scale works for heavier pieces (bracelets, chains) but usually reads only to 1 gram — too coarse for rings. A pocket jeweler’s scale reading to 0.01 g costs under $20 and is the right tool. Weigh in grams, stones in place, then subtract your stone estimates.

Should I remove small accent diamonds before selling?

Usually not worth the labor — melee stones are tiny, and removing them risks damaging the setting for pennies of recovered value. Remove center stones and anything over ~0.25 carat; leave the pavé. Deduct an estimated 0.2–0.5 g for accents in the calculator.

Why did a jeweler offer less than the melt value I calculated?

Three usual reasons: you didn’t deduct stone weight (the most common), the karat was lower than assumed (test, don’t guess), or the offer reflects that buyer’s normal percentage of melt. Re-run the calculator with honest deductions — the gap usually disappears.

Does rhodium plating on white gold affect value?

No. Rhodium plating is microns thick and worth essentially nothing in the melt. White gold is valued on its gold content (14K white = 14K yellow in melt terms). Don’t let anyone discount for “plating” — and don’t expect a premium for it either.

Is it better to sell jewelry as jewelry or as scrap?

As jewelry if it’s branded, antique, or in excellent condition with desirable design — list it or consign it. As scrap if it’s damaged, generic, missing stones, or low-karat. The deciding question: would a stranger buy this to wear? If yes, there’s jewelry value above melt. If no, it’s scrap, and the melt calculation is your number.