100 g Gold Bars
Buy 100 gram gold bars in the UK
Invest in 100g gold bars with StoneX Bullion, the UK and Europe’s trusted platform for buying investment-grade gold bullion online. With years of precious-metals expertise and over 100,000 investors served, we offer a secure way to buy 100g gold bars from LBMA-accredited refiners such as Valcambi, Argor-Heraeus, PAMP Suisse, Umicore and The Perth Mint, as well as bars minted by The Royal Mint.
Enjoy live pricing updated every 60 seconds, competitive spreads, and fully insured delivery across the UK and Europe.
Understanding 100g gold bars
The 100g gold bar is a balanced investment size, offering one of the best combinations of low premium per gram and manageable outlay. Containing 3.215 troy ounces of 999.9 fine gold, it is a favourite among serious investors who want substantial gold content in a single, easy-to-store unit.
Key features of 100g gold bars:
- High purity: Struck in 999.9 fine (24-carat) gold
- VAT-free in the UK: Classed as investment-grade gold
- Guaranteed quality: Every bar is backed for its stated weight and purity
- Low premium per gram, offering strong value
- Available in both minted and cast formats.
About our producers
Our 100g gold bars are produced by the world’s most respected names in precious metals, including Valcambi (also producing the eco-conscious Green Gold range), Argor-Heraeus (known for the high-security Kinebar), PAMP Suisse, Umicore, The Perth Mint, Rand Refinery, and The Royal Mint, whose 100g Britannia bar is struck in the UK. All are trusted, internationally recognised producers.
Design and features
100g gold bars are available as both cast bars (with a distinctive hand-poured texture and the lowest premiums) and minted bars (precision-struck and sealed in tamper-evident assay packaging). Each bar displays the refiner’s hallmark, weight, fineness, and unique serial number. The range includes the Argor-Heraeus Kinebar, Valcambi Green Gold, the Royal Mint Britannia bar, and a divisible 100 x 1g Valcambi CombiBar.
100g gold bar specifications
- Weight: 100 grams (3.215 troy ounces)
- Purity: 999.9 fine (24-carat) gold
- Producers: Valcambi, Argor-Heraeus, PAMP Suisse, Umicore, The Perth Mint, Rand Refinery, The Royal Mint
- Formats: Cast, minted, and CombiBar (100 x 1g)
- VAT status: VAT-free in the UK (investment-grade gold).
Reasons to buy 100g gold bars
- Low premium per gram: Among the most cost-efficient bar sizes
- VAT-free in the UK: All investment-grade gold bars are exempt from VAT
- Substantial holding: A significant amount of gold in one compact unit
- Minted or cast: Choose polished presentation or lower-premium cast bars
- CombiBar option: A divisible 100 x 1g bar for flexible partial resale
- Wealth preservation: Gold has historically been held by some investors as a potential hedge against inflation and currency movements, though this is not guaranteed.
How to buy 100g gold bars in the UK
- Choose your bar: Select a cast or minted 100g bar, a Britannia bar, or a 100 x 1g CombiBar
- Check live gold prices: Updated every 60 seconds in line with the live London Bullion Market price
- Pay securely: Complete checkout via bank transfer or credit card
- Receive insured delivery: All 100g gold bars are discreetly packaged and fully insured for UK and European delivery.
100g gold bars: FAQs
How many ounces is a 100g gold bar?
A 100g gold bar contains 3.215 troy ounces of pure gold.
Are 100g gold bars VAT-free in the UK?
Yes. All investment-grade gold bars of 99.5% purity or higher are exempt from VAT in the UK.
What is the difference between a cast and a minted 100g gold bar?
Cast bars are poured into a mould for a textured finish at the lowest premium, while minted bars are precision-struck for a polished, detailed presentation.
How do 100g gold bars compare to other sizes?
They offer one of the better balances of low premium per gram and manageable outlay, which is why they are a common choice for buyers placing larger amounts into physical gold.
Is it safe to buy 100g gold bars online?
Yes. StoneX Bullion offers secure checkout, live pricing, and fully insured, discreet delivery across the UK and Europe.
Invest in 100g gold bars today
Buy 100g gold bars from LBMA-accredited refiners online with StoneX Bullion, relied on by investors across the UK and Europe. Enjoy keen pricing, live rates, and fully insured delivery straight to your door.
Browse our full range of 100g gold bars and start your investment journey today.