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Live · checked today · 2 UK retailers tracked
Founders Club G-1 Iron Set vs Mizuno JPX 921 Tour Iron Set
Quick verdict
Checked daily across 2 UK retailers
Price and availability verdict
Founders Club G-1 Iron Set is currently £109.99 used, while Mizuno JPX 921 Tour Iron Set is currently £313.95 used. Against tracked history, Founders Club G-1 Iron Set is at its lowest tracked price and Mizuno JPX 921 Tour Iron Set is at its lowest tracked price. Both are currently available from 1 UK retailer.
Mizuno
Mizuno JPX 921 Tour Iron Set
from £313.95
at Replay Golf · 1 retailer
Lowest £314 · lowest price we’ve seen
Discount vs RRP
Price vs usual
Where to buy
Founders Club G-1 Iron Set
Where to buy
Mizuno JPX 921 Tour Iron Set
Deal intelligence
Should you buy now, or wait?
Founders Club · G-1 Iron Set
Not enough data yet
Mizuno · JPX 921 Tour Iron Set
Not enough data yet
Today £313.95 · typical £859 · lowest £313.95
On sale 3 times in the last 3 months
Head to head
Category leaders, from the data on this page
- Cheapest new G-1 £109.99 vs £313.95
- Cheapest used G-1 from £109.99 vs £313.95
Price trajectory
How each has moved since we started tracking
Lowest tracked price per day, any condition. Caddence tracks both daily. Shaded spans are days we couldn’t collect prices — the lines break rather than guessing.
Mizuno · JPX 921 Tour Iron Set
↓ £485.05
since 21 February 2026
Lowest £313.95 on 18 August 2026
New vs used
From used listings we track
Founders Club · G-1 Iron Set
NEW £109.99
USED FROM £109.99
Mizuno · JPX 921 Tour Iron Set
NEW £313.95
USED FROM £313.95
Availability by build
Which configurations are in stock right now
| Build | Founders Club G-1 Iron Set | Mizuno JPX 921 Tour Iron Set |
|---|---|---|
| Regular · Used | 1 retailer · from £109.99 at UK Used Golf Clubs → | — |
| Stiff · Used | — | 1 retailer · from £313.95 at Replay Golf → |
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Common questions about the Founders Club G-1 Iron Set vs Mizuno JPX 921 Tour Iron Set
Prices shown are the cheapest in-stock price per retailer tracked by Caddence, updated daily. Always confirm the final price on the retailer's site.