9K Gold Price per Gram Today

Putting a dollar figure on 9ct gold

9ct gold is worth 37.5% of the pure gold price for the same weight, because 9 of its 24 parts are gold. To price a piece, multiply its weight in grams by the price of a gram of pure gold and then by 0.375.

The live 9K gold price per gram at the top of this page does that for you. To see how the arithmetic works, here it is at a round example price of $3,200 per troy ounce, which is not today’s quote.

Worked example: a British curb chain

1. Weigh the chain on a gram scale: 24.0 grams.
2. Find the price of a gram of pure gold: $3,200 ÷ 31.1035 = $102.88.
3. Apply the 9 carat fraction: $102.88 × 0.375 = $38.58 per gram.
4. Multiply by weight: 24.0 × $38.58 = about $925.94 in melt value.

Had that chain been priced as 10K by mistake, the figure would have been $1,028.82. That $102.88 gap is exactly why the karat has to be confirmed before anyone talks money. Replace the $3,200 example with the gold price per ounce today and the same four steps give a live figure.

9ct against 10K in one line

10K holds 41.67% gold and 9ct holds 37.5%, so a 10K item contains about 11% more gold than a 9ct item of the same weight. The visual difference is small: 9ct yellow is a touch paler. The 10K gold price page covers that karat and its American marks on their own.

Reading 375 and other 9 carat marks

The number 375 is the common thread. It means 375 parts gold per thousand and appears on 9 carat gold from almost every country that uses the standard.

United Kingdom

Britain legalized 9 carat as a hallmarking standard in 1854, together with 12 and 15 carat. The 12 and 15 carat standards were dropped in 1932 and 14 carat was added, but 9 carat stayed and became the country’s everyday jewelry gold. Today the Hallmarking Act 1973 requires gold items over 1 gram sold as gold in the UK to be hallmarked by an independent assay office.

What a British 9ct hallmark contains

• A sponsor’s mark with the maker’s or importer’s initials.
• The fineness mark 375 in a shaped cartouche. Older pieces often show “9” and “.375” as separate stamps.
• An assay office mark, such as the anchor of Birmingham or the leopard’s head of London.
• Often a date letter, which is optional on modern pieces but common on older ones.

Because British hallmarks are applied by an assay office rather than the maker, a full 9ct hallmark is strong evidence of the metal. Ireland also recognizes 9 carat and runs its own assay office with its own marks.

Australia

Australia has no compulsory government hallmarking. Marks such as “9ct,” “9CT” or “375” are the manufacturer’s own claim, often paired with a maker’s mark. They are usually accurate, but they carry less independent weight than a British hallmark, so a buyer is more likely to test an Australian piece.

9ct marks that don’t mean solid 9ct

8K and 333 gold

8 karat, stamped 333, is lower still and is legal in Germany, where it has long been used for affordable jewelry. At the $3,200 example price, a gram of 333 gold holds about $34.26 of gold. Like 9ct, it can’t be sold as gold in American retail, and it turns up in the U.S. mainly as inherited or imported pieces.

Holding 9ct gold in the United States

Under the Federal Trade Commission’s jewelry guides, an alloy below 10 karat can’t be marketed as gold in the U.S. That doesn’t make a 9ct ring any less real. It means American stores don’t stock it, and a U.S. owner of a 375 piece most likely has something made in Britain, Ireland, Australia or another country where 9 carat is a legal standard: a family ring, a travel purchase or an item bought online from overseas.

Selling 9ct items in the U.S.

American buyers price 9ct as scrap on its gold content. They won’t pay retail for design, because they can’t resell it as gold jewelry in a U.S. store.

1. Find the mark and tell the buyer up front that it’s 375, not 10K. An acid test on a touchstone can struggle to separate the two, while an electronic or XRF analyzer reads the percentage directly.
2. Weigh it yourself on a gram scale before the visit, so you know the melt value in advance.
3. Separate anything “back and front,” bonded or rolled. Those are priced very differently from solid 9ct.
4. Ask each buyer for a quote per gram of 9ct or as a percentage of melt, and compare them on the same basis.

Worked example: a mixed lot of imported gold

Suppose you have a 9ct bracelet weighing 15.5 grams and a German 333 pendant weighing 4.0 grams. At the $3,200 example price, the bracelet holds $598.00 of gold and the pendant $137.04, for a total melt value of $735.04. An example offer at 80% of melt would be $588.03. The scrap gold calculator accepts 9K and lets you replace the example price with today’s.

Gains on the sale of gold jewelry held more than a year are treated by the IRS as collectibles gains, taxed at up to 28%. Whether an item is 9ct or 18K makes no difference to that rule.

If you’re buying 9ct abroad

British retail prices for 9ct jewelry include VAT and a large markup for design and labor, and neither comes back to you at resale. The gold price in the UK page explains how gold quoted in pounds sterling relates to the U.S. dollar price.

How 9ct wears, and why so much of it is rose

With 62.5% of the alloy made up of other metals, 9ct is generally harder than 14K or 18K. Thin rings bend less, signet faces scratch less and clasps keep their shape. That durability is one reason 9ct suited everyday British and Australian jewelry for generations.

The cost of all that alloy shows up in the color and the surface. The yellow is paler than 14K. Some 9ct alloys, especially those with a lot of silver in them, can dull or darken with skin contact over the years, and a polish usually restores them.

Rose and red 9ct

Much vintage British and Australian 9ct has a distinctly pink or reddish tone. That comes from copper taking a larger share of the non-gold part of the alloy. The gold content doesn’t change: a 9ct rose ring and a 9ct yellow ring of the same weight hold the same 37.5% gold and melt for the same price. The rose gold price page explains the copper-silver balance behind the different shades.

9ct white gold

9ct white gold is usually rhodium plated, because the underlying alloy often has a faint yellow or gray tint. When the plating wears through, the piece may look slightly off-white. That’s normal and has no effect on its gold value.

Short glossary

• Carat (ct): the British and Australian spelling of karat for gold purity, not the diamond weight unit.
• 375: parts per thousand of gold in 9 carat alloy.
• Back and front: two thin gold sheets over a base-metal core.
• Bonded gold: a gold layer fused to a silver or base-metal core.
• Melt value: the gold content times the spot price, before any buyer’s margin.