Cours de l'or : nouveau record en mars 2026
Le prix de l'or a depasse 2 800$ l'once. Analyse des facteurs et conseils pour les vendeurs de bijoux.
28 mars 2026
Live price - London Fix
How much are
your gold jewelry really worth?
Free calculator based on live market prices. Compare 9K, 14K, 18K, 24K and find better buyer offers in France.
✓ Live prices✓ Carat comparison✓ 5 buyers compared✓ 100% free
French standard — 75.0% pure gold
grams
1g50g100g
Estimated spot value (10g · 18K)
€663.00
18K (EUR/g)€66.30
Pure gold content7.50g
Market spot value€663.00
Estimated buyback (~75%)€497.25
Buyback price is usually between 60% and 85% of spot value. Always compare multiple offers.
Compare buyers
For 10g Gold 18K — estimated buyback prices:
Comptoir National de l'OrBest price
82% du cours spot
€543.66
Or en Cash
79% du cours spot
€523.77
Gold & Cash
76% du cours spot
€503.88
Bureau de Change classique
70% du cours spot
€464.10
Bijoutier local
64% du cours spot
€424.32
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Current prices (EUR/g)
Gold 24K
€88.39
+0.3%
Gold 18K
€66.30
+0.3%
Gold 14K
€51.71
+0.3%
Gold 9K
€33.15
+0.3%
London Fix - updated every 60s
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Sell at the best price
⚖️Use a 0.01g scale before visiting any buyer.
🔍Check your jewelry hallmark.
📋Get at least 3 quotes, differences can exceed 20%.
📅Sell when the market is strong.
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Frequently asked questions
How do I calculate my gold jewelry value?+
Multiply weight in grams by carat purity (18K = 0.75), then by the gold price in EUR/g. Our calculator does this automatically.
What is the difference between 9K, 14K, 18K and 24K gold?+
Carat indicates pure gold ratio. 24K = 99.9%, 18K = 75%, 14K = 58.5%, 9K = 37.5%.
Why are buyback offers lower than spot price?+
Buyers apply a margin to cover processing, refining, and business costs.
How can I identify the hallmark on my jewelry?+
Hallmarks indicate legal purity. Always check markings before selling.
When is the best time to sell gold?+
Gold often rises during uncertain economic periods. Track trends and compare offers.
Articles & Guides
View all ->Or 18K vs 14K vs 9K : ce que ca change vraiment
Guide complet pour comprendre les carats, identifier vos bijoux avec les poincons et maximiser leur valeur.
20 mars 2026
Ou vendre ses bijoux en or en France en 2026 ?
Comparatif detaille : racheteurs professionnels, bijoutiers, vente entre particuliers, plateformes en ligne.
15 mars 2026
How to use our gold resale price calculator
Our tool calculates your jewelry value by multiplying weight (grams), metal purity (carat), and current spot gold price. The result is a theoretical market value - actual buyback offers are often 60% to 85% of this amount.
For 18K gold, a common standard in France for rings, bracelets, and necklaces, purity is 75%. A 10 gram 18K bracelet contains 7.5 grams of pure gold.
Prices are updated in near real time based on London gold references. Values are shown in EUR per gram for direct resale comparison.