Weight in grams
We weigh the net gold in grams, excluding non-gold parts.
GOLD CALCULATOR · HATTON GARDEN AND SOUTHALL
Gold Value Calculator
Enter the hallmark and weight in grams for an indicative 9ct to 24ct buying estimate.
GOLD CALCULATOR
GBP £
Calculate your gold value
Enter the weight in grams for each purity.
Gold purityWeightRate / gEstimated value
9K Gold
Rate / g£34.52
Estimated value£0.00
14K Gold
Rate / g£53.85
Estimated value£0.00
18K Gold
Rate / g£69.04
Estimated value£0.00
21K Gold
Rate / g£80.54
Estimated value£0.00
22K Gold
Rate / g£84.32
Estimated value£843.18
22K Coins
Rate / g£84.32
Estimated value£0.00
iGold estimate only. Silver is bought and sold after in-person assessment at either shop.
How the gold calculator estimate is worked out
Gold purity
The hallmark tells us how much gold is in your item, for example 9ct, 14ct, 18ct, 21ct, 22ct or 24ct.
Our buying rate
We apply our buying rate for that purity to your indicative value.
Stones and non-gold components are excluded from the gold weight. The calculator figure is not an offer.
SILVER
Buy and sell silver
The online calculator prices gold only. Silver jewellery, coins and bullion are bought and sold after in-person assessment at either shop.
- Hatton Garden: 58 Hatton Garden, London EC1N 8LS
- Southall: 137 A The Broadway, Southall UB1 1LP
HELPFUL INFORMATION
Gold calculator FAQs
Answers about 9ct to 24ct gold estimates, silver, hallmarks and in-person valuations at Hatton Garden and Southall.
What if I don’t know the purity?+
Look for a hallmark such as 375, 585, 750, 875, 916 or 999. If you are unsure, send an enquiry with photographs. Purity is confirmed only after the item is assessed in person.
Is this the final amount I will receive?+
No. The calculator gives an indicative gold estimate only. A final figure is given after the gold has been assessed at 58 Hatton Garden or 137 A The Broadway, Southall.
Do you buy and sell silver?+
Yes. Silver jewellery, coins and bullion can be bought and sold at 58 Hatton Garden and at 137 A The Broadway, Southall. Silver is assessed in person and is not priced on this gold calculator.
Can I add more than one gold item?+
Yes. Enter a weight for each purity in the table. The total at the bottom combines every row with a weight.