1. Jewelry Identifier
  2. Platinum melt value
  3. PT900 · 20 g

* Platinum melt value

PT900 20 g melt value today

20 g of PT900 platinum (90.0% pure platinum) is worth about $988 in melt value as of October 13, 2026 — a scrap buyer typically pays ~85% of that ($840) after refining and margin. That weight is typical of solid platinum chains, heavy bracelets, multi-piece lots.

Published July 11, 2026 · Updated October 13, 2026

PT900 · 20 g — live estimate

Melt value
$988
Realistic scrap (~85%)
$840
Pure platinum content
18.000 g
Per-gram melt
$49.39/g
Purity
90.0% (PT900)
As of
October 13, 2026

The calculation

melt = spot/g × purity × weight(g)
     = $54.88 × 0.9 × 20
     = $988

Scrap buyers typically deduct ~15% for assay and refining, landing near $840. Designed or branded pieces can sell for more intact than melted.

What usually weighs about 20 g?

At 20 g, you are usually looking at solid platinum chains, heavy bracelets, multi-piece lots. Confirm the hallmark matches PT900 before you accept a scrap offer — plated lookalikes are worth far less.

Before you sell

  1. Confirm the PT900 stamp (or equivalent fineness mark).
  2. Weigh in grams on a jewelry scale; exclude stones and non-platinum parts.
  3. Compare at least two scrap offers against the $840 ballpark above.
  4. Not sure of the metal? Scan it in the Jewelry Identifier app first.

* Frequently asked

FAQ

Q. How much is 20 g of PT900 platinum worth today?
A. About $988 in pure melt value as of October 13, 2026. A realistic scrap offer is near $840 (~85% of melt) after refining and margin.
Q. How much pure platinum is in 20 g of PT900?
A. PT900 is 90.0% platinum by weight, so 20 g contains about 18.000 g of pure platinum.
Q. How do I calculate PT900 value myself?
A. Multiply today's platinum spot per gram ($54.88) by the purity (0.9) and by the weight in grams (20). That is $54.88 × 0.9 × 20 = $988.
Q. Is 20 g a normal weight for PT900 jewelry?
A. Yes for solid platinum chains, heavy bracelets, multi-piece lots. Weigh only the platinum — exclude stones and non-platinum findings — before using this estimate.

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