Royal Mint Britannia 1 oz
5-day trial, then $15/month. Credit card required. Cancel anytime.
Recorded on Costco.com
We have recorded it in stock 139 times since Dec 19, 2025.
At least half of the 139 completed stock windows ended within 1h 58m; the shortest lasted 1 min and the longest 2d 23h. 61 of 139 ended within an hour.
Price against gold spot
USD per 1 oz · recorded since Dec 19, 2025
Recorded Costco prices ranged $4,099.99–$5,409.99 at 41 distinct prices across 139 stock windows from Dec 19, 2025 to Sep 29, 2026. Gaps show no recorded online price.
Lowest premiums recorded
Ranked by the lowest premium we recorded during a completed stock window, measured against spot at that moment. Time runs from that observation until the window ended; the premium can change in between.
What it is worth
Current buy-back offers
Offers collected
Ranked after each dealer’s fee. Shipping, insurance and payment costs are not deducted.
5-day trial, then $15/month.
Credit card required. Cancel anytime.
Restock history
139 stock windows recorded since Dec 19, 2025 · the latest 20 are listed
| Month | Restocks | Typical time in stock | Price range |
|---|---|---|---|
| Oct 2026 | None recorded | — | — |
| Sep 2026 | 15 | 11h 10m | $4,209.99–$4,559.99 |
| Aug 2026 | 9 | 2h 57m | $4,179.99–$4,639.99 |
| Jul 2026 | 31 | 1h 57m | $4,099.99–$4,249.99 |
| Jun 2026 | 29 | 2h 28m | $4,179.99–$4,609.99 |
| May 2026 | 12 | 15h 11m | $4,569.99–$4,789.99 |
| Apr 2026 | 4 | — | $4,699.99–$4,849.99 |
| Mar 2026 | 19 | 18 min | $4,529.99–$5,249.99 |
| Feb 2026 | 6 | 54 min | $5,159.99–$5,299.99 |
| Jan 2026 | 6 | 1h 41m | $4,539.99–$5,409.99 |
| Dec 2025 | 8 | 57 min | $4,429.99–$4,599.99 |
Restocks are counted in the month the window began (Eastern time). Typical time in stock is the median, shown for months with 5 or more completed windows. Price ranges cover the windows that began in the month.
Latest stock windows
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Available 9h 43mThen out of stock$4,239.99+2.3% over spot
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Available 9 minThen out of stock$4,209.99+1.9% over spot
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Available 7h 53mThen out of stock$4,209.99+1.8% over spot
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Available 22 minThen out of stock$4,349.99+5.3% over spot
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Available 2d 22hThen out of stock$4,349.99+1.4% over spot
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Available 18h 49mThen out of stock$4,349.99+1.7% over spot
Show 14 earlier stock windows
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Available 1d 2hThen out of stock$4,359.99+1.1% over spot
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Available 12h 44mThen out of stock$4,459.99+0.98% over spot
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Available 21h 7mThen out of stock$4,459.99+1.5% over spot
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Available 28 minThen out of stock$4,489.99+1.9% over spot
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Available 1h 58mThen out of stock$4,489.99+1.8% over spot
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Available 15 minThen out of stock$4,489.99+1.5% over spot
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Available 2d 5hThen out of stock$4,489.99+1.2% over spot
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Available 22h 47mThen out of stock$4,559.99+1.6% over spot
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Available 11h 10mThen out of stock$4,459.99+2.0% over spot
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Available 2h 57mThen out of stock$4,499.99+1.3% over spot
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Available 1h 49mThen out of stock$4,599.99+4.0% over spot
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Available 12 minThen out of stock$4,599.99+3.2% over spot
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Available 2d 16hThen out of stock$4,639.99+3.6% over spot
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Available 15 minThen out of stock$4,449.99+1.3% over spot
A restock is one continuous stock window; a price change inside a window is not counted as a new restock, and windows more than a minute apart are counted separately. Each premium is against spot when we first recorded the window. Times are Eastern.
Product details
- Product
- The Royal Mint Britannia 1 oz Gold Bar
- Weight
- 1 oz · 1 troy oz
- Costco item
- 2968751
How the price, history and dealer offers are measured
Availability comes from our Costco.com scans. A stock window begins when we record the product in stock and ends when we record it out of stock; start and end times are when our checks confirmed the change, so each can trail Costco.com by a few minutes. A price change inside a window is drawn on the chart as a step and is not counted as a new restock; windows more than a minute apart are counted separately, and listings Costco sells as variants of this product are counted together. Some of the oldest windows come from an earlier version of this tracker. Gaps on the chart have no recorded online price.
Gold spot is the daily average of recorded quotes by UTC date, scaled to this product’s weight; other dates on this page are Eastern. Premium recorded at the last sellout, against spot at that time. Historical prices are observations, not an offer to buy at that price. Typical time in stock is the median of completed stock windows and is stated once 5 have been recorded; premiums are measured against spot at the moment they were recorded.
Buy-back offers are the prices bullion dealers publish for this product, shown after each dealer’s own fee; an offer can be up to about 15 minutes old by the time it appears here. Shipping, insurance and payment costs are not deducted, and an offer is not final until the dealer confirms a sale. Dealer names are in the member view.
Compare another gold product
Different weights carry different prices and premiums.
