What Does 999.9 Mean on Gold?
999.9 on gold means it is 99.99% pure gold — 24K, "four nines" gold. It is the purest gold sold in quantity, used for bullion bars and coins rather than jewellery, which is too soft at this purity to hold stones or keep its shape. Today 1 gram of 999.9 gold contains $124.63 of gold (₹11,849), Oct 30, 2026, 21:55 UTC.
999.9 gold value today
| 10 g | $1,246 |
|---|---|
| 1 tola (11.66 g) | $1,454 |
| 1 troy oz (31.1 g) | $3,876 |
| 8 g (sovereign / pavan) | $997 |
Where you'll see 999.9
- Investment bars from 1 g to 1 kg
- Canadian Gold Maple Leaf and many modern bullion coins
- Gold sold as "24K 9999" in Asia
Also stamped: 9999, 999.9, Au99.99, FINE GOLD 999.9.
Compared with its neighbours: 999 (24K) has 0.1 percentage points less gold, $124.51 per gram.
Gold purity marks and what 1 gram is worth today
| Mark | Karat | Gold content | Gold in 1 g today | Where you'll see it |
|---|---|---|---|---|
| 999.9 | 24K | 99.99% | $124.63 | Investment bars from 1 g to 1 kg |
| 999 | 24K | 99.9% | $124.51 | Gold bars and coins |
| 995 | 24K | 99.5% | $124.02 | Large bars traded between banks (the London Good Delivery minimum is 99.5%) |
| 990 | 24K | 99.0% | $123.39 | Chinese and Hong Kong jewellery marked 足金 ("full gold"), which must be at least 99.0% gold |
| 958 | 23K | 95.8% | $119.40 | Indian jewellery hallmarked "23K958" by BIS |
| 916 | 22K | 91.6% | $114.17 | Most jewellery in India, Pakistan, the Gulf, Singapore and Malaysia |
| 875 | 21K | 87.5% | $109.06 | The most popular jewellery gold in Saudi Arabia, Egypt and much of the Middle East |
| 833 | 20K | 83.3% | $103.82 | Indian jewellery hallmarked "20K833" by BIS |
| 750 | 18K | 75.0% | $93.48 | Fine jewellery worldwide, especially diamond and gem-set pieces |
| 585 | 14K | 58.5% | $72.91 | Most jewellery sold in the US, Canada, Russia and much of Europe |
| 500 | 12K | 50.0% | $62.32 | The lowest permitted gold standard in the UAE |
| 417 | 10K | 41.7% | $51.97 | Budget jewellery and class rings in the US and Canada |
| 375 | 9K | 37.5% | $46.74 | The UK, Ireland, Australia and Canada |
| 333 | 8K | 33.3% | $41.50 | Germany and parts of Central Europe, mostly older and inexpensive jewellery |
999.9 Gold: FAQ
What does 999.9 mean on gold?
It is the fineness, in parts per thousand of pure gold: 999.9 means 99.99% of the metal is gold, which is 24K. It is the purest gold sold in quantity, used for bullion bars and coins rather than jewellery, which is too soft at this purity to hold stones or keep its shape.
How much is 999.9 gold worth per gram today?
About $124.63 of gold per gram (₹11,849; ₹1,18,487 per 10 g), Oct 30, 2026, 21:55 UTC, at the international price. A shop adds making charges and taxes when you buy; a buyer deducts a margin when you sell. Switch the currency in the table on this page.
Is 999.9 gold better than 999 gold?
It contains 0.09% more gold — about 0.09 g more in a 100 g bar — so the value difference is tiny. Banks and dealers usually price both at the 24K rate; buy on price, brand and buy-back terms rather than the extra nine.
Is 999.9 gold hallmarked?
The number alone is a purity mark, which in some countries the maker stamps and in others an assay office does. A full hallmark adds an independent mark: in India the BIS logo and a six-digit HUID, in the UK an assay office mark and the sponsor's mark. See hallmark rules by country.
Related
Gold values use the live international price (Oct 30, 2026, 21:55 UTC). A stamp is the maker's or assay office's claim; only a test (XRF or fire assay) shows what a piece contains. Hallmarking rules by country: how to check gold purity.