Brilliance Meets Integrity

Dimexon’s 2025 ESG report and roadmap to sustainable luxury

Our 2025 ESG report Brilliance Meets Integrity (which documents our ESG activities in 2024) is a reflection of our vision for a sustainable and ethical future; and a record of the continual journey that commitment sets us on, and how it influences every facet of our business.

Brilliance Meets Integrity encapsulates our resolve to pursue brilliance – whether in the form of exceptional craftsmanship, business success, or the timeless beauty of our diamonds. We invite you to join us in shaping a future where our industry uplifts both the environment, and the communities it touches.

Dimexon is committed to shaping a more responsible diamond industry through ethical sourcing, environmental stewardship, and inclusive workplace practices. By embracing innovation, collaboration and transparency, we are building a future-perfect business where luxury and integrity go hand in hand.

“Brilliance Meets Integrity is a promise that we will continue to hold ourselves to the highest standards, not just in what we create, but in how we create it. We are deeply thankful to all our stakeholders for their continued partnership and belief in our vision. Your trust empowers us to push boundaries, elevate our standards and pursue bold sustainability ambitions with clarity and purpose.” Rajiv Mehta & Vishal Mehta Group Directors, Dimexon Diamonds
Highlights
Environmental Synergy Our first biodiversity assessment was conducted 35% reduction in absolute Scope 1 and 2 emissions compared to base year CY2019 34% of total group energy was consumed from renewable sources 75% reduction in national grid dependence at Coimbatore due to solar power 11,432kl of wastewater was recycled and reused Zero Liquid Discharge at our Coimbatore manufacturing unit Zero Waste to Landfill at our Coimbatore site with a 100% Platinum Diversion Rate for hazardous waste, and a 98.07% Platinum Diversion Rate for non-hazardous waste 100% coverage across nine Scope 3 categories (1-7, 9, 13)	Product Integrity 100% rough and polished diamond suppliers aligned with Dimexon’s responsible sourcing policy 100% origin-based, system-driven, auditable traceability information for single diamonds (certified) 100% input-mix ratios based, system-driven, auditable traceability information for multi-stone parcels (uncertified) 330 active suppliers in 2024, up from 288 in 2023	Social Stewardship 76% female workforce 91% of staff taking parental leave returned to work 4,034 hours of staff training delivered, up 43% year on year	Responsible Business Conduct Certified RJC member De Beers Sightholder World Diamond Council member, with Dimexon director Rajiv Mehta serving on the board Zero cases of bribery or corruption Zero data, privacy or security breaches
	Download the 2025 ESG Report	Download the 2025 ESG Summary

“Brilliance Meets Integrity is a promise that we will continue to hold ourselves to the highest standards, not just in what we create, but in how we create it. We are deeply thankful to all our stakeholders for their continued partnership and belief in our vision. Your trust empowers us to push boundaries, elevate our standards and pursue bold sustainability ambitions with clarity and purpose.”

Rajiv Mehta & Vishal Mehta
Group Directors, Dimexon Diamonds

Highlights

Environmental Synergy

Our first biodiversity assessment was conducted
35% reduction in absolute Scope 1 and 2 emissions compared to base year CY2019
34% of total group energy was consumed from renewable sources
75% reduction in national grid dependence at Coimbatore due to solar power
11,432kl of wastewater was recycled and reused
Zero Liquid Discharge at our Coimbatore manufacturing unit
Zero Waste to Landfill at our Coimbatore site with a 100% Platinum Diversion Rate for hazardous waste, and a 98.07% Platinum Diversion Rate for non-hazardous waste
100% coverage across nine Scope 3 categories (1-7, 9, 13)

Product Integrity

100% rough and polished diamond suppliers aligned with Dimexon’s responsible sourcing policy
100% origin-based, system-driven, auditable traceability information for single diamonds (certified)
100% input-mix ratios based, system-driven, auditable traceability information for multi-stone parcels (uncertified)
330 active suppliers in 2024, up from 288 in 2023

Social Stewardship

76% female workforce
91% of staff taking parental leave returned to work
4,034 hours of staff training delivered, up 43% year on year

Responsible Business Conduct

Certified RJC member
De Beers Sightholder
World Diamond Council member, with Dimexon director Rajiv Mehta serving on the board
Zero cases of bribery or corruption
Zero data, privacy or security breaches

Download the 2025 ESG Report

Download the 2025 ESG Summary

Highlights

Environment

Recycled 1.5 tonnes of e-waste
Recycled 5 tonnes of paper
Treated 13.7 million litres of sewage and used water
Minimised usage of single-use plastic

Product Integrity

Stringent segregation tools implemented to guarantee provenance tracking
Configured supply chain to deliver polished melee from De Beers-only rough, for a global jewellery brand
Signed up for De Beers Pipeline Integrity programme (in addition to Forevermark)
Initiated Supplier Due Diligence, as per OECD guidelines, for Tier 1 suppliers

Social Stewardship

Signed up to the UN’s Women Empowerment Principles (UN-WEPs)
Increased focus on supporting people with disabilities through employment opportunities

Responsible Business Conduct

Joined the Watch & Jewellery Initiative 2030 including participation in pilots for ESG Book and WEPs GRP tool
Achieved recertification with the Responsible Jewellery Council (RJC) until 2025
Complied with various stakeholder-led third-party audits conducted by SGS, UL Solutions and RSM Astute

Download the 2025 ESG Report
Download the 2025 ESG Summary

Download our previous ESG reports

2024: Partners in Provenance

2023: IMPACT THROUGH PROVENANCE

2022: DIAMONDS WITH PURPOSE