aboutus

Diamond has been illuminating spaces in the country for over 70 years now. Our history of continuing evolution allows us to stand the test of time. We started from producing conventional tube lights and started manufacturing high-efficiency LED systems until we were able to come up with a fully-fledged smart lighting ecosystem that is ready to be integrated with smart homes.

Across more than 74 years of operation we have completed over 65,000 orders; a legacy of trust built one installation at a time.

65,000+ orders completed 74 years of trust

engineeringexcellence

Diamond quality badges: Indian-grid hardened, BIS certified, thermal dynamics testing, photometric and color consistency testing, and hi-pot testing

At the intersection of architectural lighting and modern smart automation, reliability is non-negotiable. Every LED fixture, driver, and smart gateway we manufacture undergoes rigorous engineering protocols designed to withstand demanding environmental and electrical conditions.

Grid Resilience & Certified Safety

  • Indian-Grid Hardened: Engineered with multi-stage built-in surge protection and active voltage fluctuation resistance, protecting internal circuitry against unpredictable power spikes and brownouts.
  • BIS Certified Compliance: Fully certified by the Bureau of Indian Standards (BIS), guaranteeing strict adherence to national safety, thermal, and mechanical performance benchmarks.

100% Batch Testing Protocols

We don't rely on random sample checks. Every single unit undergoes strict 100% batch testing across key operational parameters before leaving our facility:

  • Thermal Dynamics Testing: Simulated high-ambient heat cycles evaluate heat sink performance and junction temperature control, ensuring maximum LED chip lifespan and zero lumen depreciation over time.
  • Photometric & Color Consistency: Spectroradiometer testing verifies exact lumen output, correlated color temperature (CCT), and High Color Rendering Index (CRI > 90/95) for perfect color consistency across all batches.
  • Hi-Pot (High-Potential) Isolation Testing: High-voltage stress testing validates internal electrical insulation, preventing leakage currents and ensuring total user safety.

IP-Rated Fixture Endurance

Outdoor & Architectural

For our IP65, IP67, and IP68 weather-resistant fixtures, we perform specialized ingress and environmental testing:

  • Dust & Water Ingress Chamber Testing: Continuous pressure-spray and dust-chamber exposure tests verify hermetic sealing against heavy rain, jet sprays, and micro-particle infiltration.
  • Thermal Shock & Gasket Stress Testing: Rapid cycling between freezing and extreme heat ensures silicone gaskets and housing sealants retain flexibility without cracking or vacuum-sealing failure.

Smart Home & Wireless Protocol Validation

Zigbee & Matter over Thread

Smart automation requires seamless connectivity and instant response times. Our smart LED drivers, Matter over Thread gateways, hubs, and smart switches are subject to specialized IoT testing:

  • Protocol & Interoperability Compliance: Rigorous testing across multi-admin ecosystems (Apple Home, Google Home, Home Assistant, SmartThings) to guarantee seamless Matter and Zigbee pairing and state synchronization.
  • Mesh Network Stress & Range Testing: Large-scale mesh deployment testing evaluates signal penetration through walls, node-to-node relay stability, and low latency under heavy network congestion.
  • Flicker-Free Dimming & Latency Profiling: Deep dimming curve analysis down to 0.1% ensures smooth, ripple-free PWM/analog dimming without visible flicker or acoustic driver whine.
  • OTA (Over-The-Air) Firmware Resilience: Power-interruption testing during OTA firmware updates prevents system corruption and ensures automatic recovery.

seamlesssupport

Trade and affiliate programs

Trade & Affiliate Programs

We collaborate closely with industry professionals to deliver high-performance architectural lighting and smart automation solutions. Our trade and affiliate ecosystems are designed to provide seamless sourcing, commercial advantages, and dedicated technical support for your projects.

  • B2B Trade Programs for Designers & Builders: Exclusive trade pricing, bulk discounts, and dedicated account management tailored specifically for interior designers, architects, electrical contractors, and commercial builders.
  • Distributor & Sales Associate Affiliate Structures: High-margin compensation, revenue-sharing models, and structured partner incentives engineered to support our expanding distributor network and sales partners.
  • Project Support: Priority fulfillment, custom product configuration, and dedicated engineering assistance for large-scale residential and commercial rollouts.
Dedicated after-sales and repair

Specialized In-House Support & 2-Year Replacement Guarantee

We stand behind the engineering of every fixture and smart device we manufacture, backing our hardware with direct, hassle-free after-sales service.

  • In-House Technical Expertise: Our specialized team of in-house engineers provides rapid-response repairs, remote troubleshooting, and ongoing maintenance support to ensure zero downtime for your installations.
  • 2-Year Direct Unit Replacement Warranty: Confidence in our quality means no extended wait times for repairs. For most of our product catalog, if you experience a technical or manufacturing issue within the first 2 years of purchase, we will replace it with a brand-new unit.

ourteam

Our strength lies in our people. The senior sales and technical team members bring over 20 years of field experience to every project. We are led by a powerhouse executive team that balances deep industry heritage with immense technical and financial expertise.

Aneek Das, Chief Technology Officer at Diamond

Aneek Das

Chief Technology Officer

Holds a Master of Science in Applied Computing from the University of Toronto and a research pedigree from MIT.

Ashoke Das, Chief Executive Officer at Diamond

Ashoke Das

Chief Executive Officer

An industry veteran guiding the strategic vision and growth of the company for decades.

Aveek Das, Chief Financial Officer at Diamond

Aveek Das

Chief Financial Officer

A dual-credentialed professional holding both CA and CFA designations, ensuring institutional-grade financial health and scalable growth.