Quantum Grade Diamond™ 12C Methane
>99.99% Isotopically Enriched 12C Methane for Quantum Grade Diamond™ Synthesis
CIL’s CLM-392-QGD Quantum Grade Diamond™ 12C Methane is specifically engineered for the production of high-purity synthetic diamonds used in advanced quantum applications.
Available configurations:

This highly enriched methane feedstock enables superior chemical vapour deposition (CVD) diamond growth, reducing unwanted isotopic impurities and optimising material performance for colour centre quantum technologies.
This is the first of several strategic promotions planned for IYQ2025 to support the rapidly expanding global quantum community.
Why 12C Enrichment Matters in Quantum Diamonds
Isotopic purity is critical in quantum sensing, quantum networking, and quantum computing applications. Carbon-12 enrichment reduces spin noise from 13C nuclei, enhancing:
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Coherence times
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Signal stability
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Quantum sensitivity
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Device performance
For next-generation quantum devices, isotopic control is not optional — it is foundational.

Applications in Quantum Technologies
NV (Nitrogen-Vacancy) Diamonds
NV diamonds are transforming multiple industries:
Electric Vehicles
- Quantum magnetometers based on NV centers may extend EV range by up to 15% through advanced battery monitoring and optimisation.
Inertial Navigation
- NV-based quantum sensors offer GPS-independent navigation for aerospace, defence, and autonomous systems.
Medical Diagnostics
- Emerging non-contact quantum sensors enable ultra-sensitive detection of cardiac and neurological signals.
SiV (Silicon-Vacancy) Diamonds
SiV diamonds are essential components in:
Quantum Communication Networks
- Acting as photon quantum relays in fibre optic systems.
Quantum Key Distribution (QKD)
- Enabling ultra-secure cryptographic communication by preventing interception or eavesdropping.
Scalable Quantum Internet Infrastructure
- Providing stable photon sources for long-distance entanglement distribution.


Statement from CIL Leadership
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