Lightweight (Sub 1400g) carbon clincher wheels for disc brakes

Evening all,
If I happened to be in the market for some lightweight carbon clincher wheels for a climbing bike, can I do any better than these Winspace Hyper 38s for £1000 (From a UK retailer) weighing in at a reputed 1374g?

Black inc make a shallower set weighing a phenomenally low 1240g, but they are £2200!
Any brands/models, or wheel builders I am missing who might be worth looking at?
I'm not very heavy, and have run a pair of 1320g rim brake wheels with zero issues.
Thanks
If I happened to be in the market for some lightweight carbon clincher wheels for a climbing bike, can I do any better than these Winspace Hyper 38s for £1000 (From a UK retailer) weighing in at a reputed 1374g?

Black inc make a shallower set weighing a phenomenally low 1240g, but they are £2200!
Any brands/models, or wheel builders I am missing who might be worth looking at?
I'm not very heavy, and have run a pair of 1320g rim brake wheels with zero issues.
Thanks
Felt F70 05 (Turbo)
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Scott CR1 SL 12
Cannondale Synapse Adventure 15 & 16 Di2
Scott Foil 18
Marin Palisades Trail 91 and 06
Scott CR1 SL 12
Cannondale Synapse Adventure 15 & 16 Di2
Scott Foil 18
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Marin Palisades Trail 91 and 06
Scott CR1 SL 12
Cannondale Synapse Adventure 15 & 16 Di2
Scott Foil 18
Marin Palisades Trail 91 and 06
Scott CR1 SL 12
Cannondale Synapse Adventure 15 & 16 Di2
Scott Foil 18