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Materials glossary / Metal

14-karat gold

On the label: 14k gold · Metal

What it is

58.3 percent gold (585 fineness). The most common US fine-jewelry alloy: hard enough for daily rings, less yellow than 18k, and the usual choice for prongs that hold stones.

Metals: Solid metals: what the piece is made of all the way through. Purity is written as karat (gold) or parts per thousand (925 silver, 950 platinum).

In the research

3 PubMed papers mention it with jewelry, allergy, eyewear or UV; the three most recent:

A paper is a paper, not a verdict: titles are listed so you can read them, and a study on one fabric or one filter says little about the piece in your hand.

Pieces whose listing names it

24 on the site

Matched from the words in the supplier's listing; the full material line is on each product page.

Other metals

Clasp & Lens describes materials from the public record and does not appraise, grade or test pieces; what a listing states is the supplier's statement. If a piece causes a rash, take it off; a reaction that spreads or blisters is a doctor's question, and sunglasses are no substitute for impact-rated eye protection where that is required.

14-karat gold (14k gold): what it is and what the label means | Clasp & Lens