三浦査定士総合査定士
査定歴20年以上 ／ AACD協会基準判定士
ブランド品ジュエリー貴金属
Kihei Chain (K18) Buyback Price Today
¥16,365/g+2円 (+0.01%)
Announced Sep 3 9:30 JST・Purity 75.0%Market reference price (based on Tanaka Kikinzoku recycle price, tax incl.)
K18 Kihei Weight Calculator
g
Estimated value—
Calculated at ¥16,365/g (market reference, tax incl.). Actual purchase price depends on item condition.
K18 Kihei Price History
07/02/2026 〜 09/04/2026+890円/g（+5.8%）
* K18 Kihei recycle price history (tax incl., JPY/g).
Today's Prices by Grade
| Grade | Purity | Ref. price/g | Change |
|---|---|---|---|
| K24 特定品（インゴット等） | 99.99% | ¥22,910 | +3 |
| K24（純金） | 99.9% | ¥22,421 | +3 |
| K22 | 91.7% | ¥20,471 | +2 |
| K20 | 83.5% | ¥18,341 | +2 |
| K18 | 75.0% | ¥16,365 | +2 |
| K15 | 62.5% | ¥12,696 | +2 |
| K14 | 58.5% | ¥11,815 | +2 |
| K12 | 50.0% | ¥9,943 | +1 |
| K10 | 41.7% | ¥8,115 | +1 |
| K9 | 37.5% | ¥7,191 | +1 |
| Pt 特定品（インゴット等） | 99.95% | ¥8,339 | +91 |
| Pt1000 | 99.9% | ¥8,143 | +89 |
| Pt950 | 95.0% | ¥7,678 | +85 |
| Pt900 | 90.0% | ¥7,213 | +80 |
| Pt850 | 85.0% | ¥6,665 | +75 |
| Pt800 | 80.0% | ¥6,205 | +70 |
| Pt750 | 75.0% | ¥5,745 | +66 |
| SV1000（純銀） | 99.9% | ¥210 | +0 |
* Market reference prices based on Tanaka Kikinzoku recycle prices (tax incl., JPY/g). Not our store purchase prices.
K18 Kihei Reference Price by Weight
See the grade table above for rates, this table for per-weight guides, and the simulator to calculate your own grams.
| Weight | Reference Price（K18 Kihei） |
|---|---|
| 1g | ¥16,365 |
| 5g | ¥81,825 |
| 10g | ¥163,650 |
| 20g | ¥327,300 |
| 30g | ¥490,950 |
| 50g | ¥818,250 |
| 100g | ¥1,636,500 |
* Market reference price (based on Tanaka Kikinzoku recycle price, tax incl.) × weight. Actual buyback price varies by condition, accessories and market. Calculated at the K18 base grade.
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FAQ
- How is the K18 Kihei buyback price calculated?
- Based on the per-gram reference price (today ¥16,365/g) multiplied by weight. Actual purchase prices depend on item condition, design, and accessories.
- When are prices updated?
- Prices announced at 9:30 JST are reflected every morning (except Sundays and year-end holidays).