100g gold bar prices
A 100g gold bar contains 100 grams of fine gold, about 3.2 troy ounces. Bars come cast (poured into a mould) or minted (cut and stamped). Prices below are the latest published prices from the dealers we track, checked hourly.
These are the Australian dealers we track, not the entire market. Each row shows the lowest published price for that product. Select a product to see every dealer.
Premium over the last 90 days
Over the last 90 days, the median premium for a 100g gold bar ranged from 2.6% to 3.3%. On 21 October it was 2.8%.
To find the median premium, we take each dealer's middle premium and then the middle of those, so every dealer counts once. The chart counts only the listings we have priced on most weekdays in this period, so a product joining or leaving does not move the line. Each day uses the last price of that day, Sydney time. Lowest is the smallest premium any of them listed that day, and spot is the gold price in AUD on the left-hand scale.
| Name | Weight | Premium | PricePremium |
|---|---|---|---|
| ABC Gold Cast Bar 4 dealers | 100 g | 2.6% | from$19,361.002.6% premium |
| ABC Gold Minted Bar 3 dealers | 100 g | 4.2% | from$19,665.004.2% premium |
| AGC Gold Cast Bar 2 dealers | 100 g | 3.7% | from$19,572.753.7% premium |
| AGC Gold Minted Bar 1 dealer | 100 g | 4.1% | from$19,636.984.1% premium |
| Ainslie Gold Cast Bar 1 dealer | 100 g | 2.5% | from$19,335.392.5% premium |
| Ainslie Gold Minted Bar 1 dealer | 100 g | 2.6% | from$19,354.992.6% premium |
| GBA Gold Cast Bar 1 dealer | 100 g | 2.3% | from$19,314.002.3% premium |
| Generic Gold Cast Bar 1 dealer | 100 g | 3.6% | from$19,548.193.6% premium |
| PAMP Gold Minted Bar 3 dealers | 100 g | 0.9% | from$19,046.000.9% premium |
| Perth Mint Gold Cast Bar 2 dealers | 100 g | 2.6% | from$19,355.392.6% premium |
| Perth Mint Gold Minted Bar 4 dealers | 100 g | 2.6% | from$19,359.992.6% premium |
| Queensland Bullion Gold Cast Bar 1 dealer | 100 g | 2.6% | from$19,353.802.6% premium |
| Queensland Mint Gold Cast Bar 1 dealer | 100 g | 3.9% | from$19,603.483.9% premium |
Other sizes
Selling one back
The highest published buy-back price today for a 100g gold bar is $18,740.00, across 5 buyers we track. The difference between the lowest listed price above, $19,046.00, and the highest published buy-back price is $306.00, or 1.6%. Compare buy-back offers
What is the premium?
The premium is the amount a product's price sits above the spot value of its metal. It covers costs such as production and distribution, as well as the dealer's margin. We calculate it by comparing the published price with the spot price recorded when the price was collected.
For how GST applies to bullion, see the ATO's ruling GSTR 2003/10.