All coins
What is the value of a Demi Souverain gold coin today?
Price updated on 07/23/2026, 03:45 PM
Total weight
3.9940g
Purity
917‰
Pure Gold
3.6625g
Gold price
130.68 $/g
Intrinsic Value
$478.62
3.6625g × 130.68 $/g × 1 = 478.62 $
Demi Souverain price evolution
Intrinsic value based on the gold price
478.62 $
+1.19% (1M)
High 491.52 $
Low 465.66 $
Change +5.65 $
How much does a Demi Souverain gold coin weigh?
The Demi Souverain coin has a total weight of 3.9940 grams. This weight includes the coin's complete alloy.
Taking its purity of 917‰ (91.7%) into account, this coin contains exactly 3.6625 grams of pure gold.
3.9940g
Total weight
3.6625g
Pure Gold
What is the purity of a Demi Souverain gold coin?
The Demi Souverain coin has a purity of 917 thousandths, i.e. 91.7% fine gold.
This purity is characteristic of coins struck in United Kingdom between 1817-1926. The rest of the alloy (8.3%) is generally composed of copper to strengthen the coin's durability.
Gold
91.7%
Alloy
8.3%
Other characteristics
Issuing country
🇬🇧 United Kingdom
Minting years
1817-1926
Diameter
19 mm
Metal
Gold
numivio.com