What Does 417 Mean on Jewelry? 10K Gold Hallmark Explained (2026)

You found a "417" stamp on a piece of jewelry and want to know what it means. You've come to the right place. This guide explains exactly what 417 means, whether it's real gold, how it compares to other gold marks like 585 and 750, and whether it's worth wearing.

What Does 417 Mean on Jewelry?

417 is a millesimal fineness hallmark — the European system for expressing gold purity in parts per thousand. A 417 stamp means the metal contains 417 parts pure gold per 1,000 total parts, which equals 41.7% pure gold content.

In the American karat system, this is called 10 karat gold, written as 10K or 10KT. Both marks mean exactly the same thing — 41.7% gold. 10K is used on American-made pieces; 417 appears on European imports.

The other 58.3% of the metal is an alloy — typically silver, copper, zinc, and sometimes nickel, depending on whether the piece is yellow, white, or rose gold.

Is 417 Gold Real Gold?

Yes. 417 gold is genuine, solid gold throughout the entire piece. This is not gold plated, not gold filled, and not gold tone. Under US Federal Trade Commission guidelines, any metal with at least 10 karats of gold purity (41.6%+) can legally be called gold jewelry in the United States.

10K/417 is the minimum legal gold purity for fine jewelry in the US — but it's still real gold with real intrinsic value. Refiners buy 10K gold. Jewelers assess and repair it. It has a spot gold value based on weight.

417 vs 585 vs 750 — Full Gold Purity Comparison

Is 417 Gold Good Quality?

Yes and no — it depends entirely on what you need the jewelry to do.

417 gold excels at:

• Durability. 10K is the hardest gold alloy in fine jewelry. With 58.3% alloy metals, it resists scratches and daily wear better than 14K or 18K.
• Price. Less gold content means lower material cost — 10K jewelry typically costs 25–35% less than equivalent 14K pieces.
• Longevity for active lifestyles. Manual workers, athletes, and people who forget to remove jewelry benefit from 10K's toughness.

417 gold trade-offs:

• Paler color. With only 41.7% gold, 10K yellow gold has a noticeably lighter, less saturated tone compared to 14K or 18K. Some people prefer this subtlety; others want the richer yellow of higher karats.
• Slightly higher allergy risk. More alloy content means more potential for nickel exposure if the piece uses nickel-containing alloys. Look for nickel-free 10K gold if you have sensitive skin.
• May need more polishing. Higher copper and silver content in the alloy can dull slightly faster than 14K over years of wear.

What Is 417 Gold Worth?

417 gold's intrinsic value is calculated from its weight and the current gold spot price:

Value formula: Weight in grams × 0.417 × spot gold price per gram

At $60/gram gold spot price, a 5-gram 417 gold necklace contains: 5 × 0.417 × $60 = ~$125 of pure gold content.

Note that this is the melt/refiner value. The retail value of a piece accounts for craftsmanship, design, and brand. The resale value depends on whether you're selling to a jeweler, a refiner, or on the secondary market.

The key point: 417 gold has real, measurable gold value. It's not "fake" or cheap fashion jewelry — it's solid gold that can be assessed, bought, and refined.

How to Identify 417 Gold on Jewelry

The 417 stamp is most commonly found:

• Necklaces / bracelets: on the clasp or the small connector ring at the clasp
• Rings: on the inner surface of the band, near the shank
• Earrings: on the post or the earring back

Common 417 / 10K mark variations: 417 · 10K · 10KT · 10CT · 416 · 10K P (P = plumb — precisely 10/24 gold content). All mean the same 41.7% gold purity.

Quick at-home verification: real gold is not attracted to a magnet. If a piece labeled 417 clings to a strong magnet, the hallmark may be counterfeit. For certainty, bring it to a jeweler for an acid test or XRF scan.

Frequently Asked Questions

What does 417 mean on jewelry?

417 is the European millesimal fineness mark for 10 karat gold — 41.7% pure gold. It's the same as the American "10K" or "10KT" stamp. The piece is solid real gold throughout, just with the lowest recognized gold purity of any fine gold jewelry.

Is 417 gold real gold?

Yes. 417 gold is genuine solid gold — 41.7% pure gold throughout. Under US FTC guidelines, 10K/417 is the minimum legal gold content that can be sold as gold jewelry. It's not gold plated, not gold filled, and not fake — it's real gold with genuine resale and refinement value.

Is 417 gold good quality?

417 gold (10K) is the hardest, most scratch-resistant gold karat available, making it excellent for very active wearers or anyone who needs durable jewelry at a lower price point. The trade-offs: a slightly paler color than 14K or 18K, and a higher alloy content that can cause reactions in people with nickel sensitivities.

What is the difference between 417 and 585 gold?

417 is 10K gold (41.7% pure gold); 585 is 14K gold (58.5% pure gold). 585 has more gold, a warmer deeper yellow tone, and is slightly softer. 417 is harder, paler in color, and costs less. Both are solid real gold.

What is 417 gold worth?

417 gold is worth 41.7% of the current pure gold spot price per gram. If gold is $60/gram, each gram of 10K/417 gold contains about $25 of pure gold value. Refiners and jewelers regularly buy 10K gold at prices close to this melt value.

Does 417 gold tarnish?

417 gold does not tarnish the way silver or brass does, but its higher alloy content (copper, silver) can cause minor dulling over years. It will never turn green or black. Clean with a soft jewelry cloth and mild soap to maintain shine.

Is 417 gold hypoallergenic?

It depends on the alloy. Yellow 10K gold (alloyed with copper and silver) is generally safe for most people. White 10K gold often contains nickel, which can cause reactions in people with metal allergies. If you have sensitive skin, ask about the specific alloy composition or choose 14K/18K with confirmed nickel-free alloys.

What other hallmarks look like 417?

Similar-looking hallmarks: 375 (9K gold, 37.5% gold — less pure than 417), 585 (14K gold, 58.5% — more pure), 750 (18K gold, 75%). Don't confuse 417 with 14K (which would be 583 or 585). A '416' stamp is also 10K gold — rounding difference only.

How do I find the 417 hallmark on my jewelry?

Check the clasp of necklaces and bracelets, the inner band of rings, and the post or back of earrings. The 417 stamp may be very small — use a loupe or magnifying glass if needed. You may also see "10K" or "10KT" on American-made pieces with the same meaning.

Is 10K or 14K gold better for everyday wear?

10K/417 is harder and more scratch-resistant — better for rings and bracelets that take physical impact. 14K/585 has a richer gold color, is slightly softer, and is the better choice for most people who want the best balance of durability, appearance, and skin safety. The most popular choice in the US is 14K.

417 Gold — Real Gold at the Practical End of the Scale

A 417 stamp guarantees solid gold — 41.7% pure gold throughout, legally recognized as genuine gold jewelry. It's the hardest, most durable gold karat you'll find in fine jewelry, and the most accessible price point for solid gold. The trade-offs are a slightly paler color and higher alloy content compared to 14K or 18K, but for buyers who prioritize toughness and budget, 10K/417 is a completely legitimate choice.

If you found this stamp on a piece and wondered if it was real gold — it is.

Written by Vaishakhi Ajmera, Founder of AJLuxe — specialists in 18K gold vermeil and 925 sterling silver jewelry. Last updated: June 2026.