Core Business Values
The foundation of Zest Corporation is laid on honesty, integrity, discipline and hard work. The value of time, commitment, transparency, clarity and accountability is not just expected but recognized and appreciated. The company aims to build the environment of trust and responsibility where professionalism is the part of organisational culture. Nurturing healthy team spirit, welfare processes and responsible practices where artistry and craftsmanship reflects in business offering
The Culture of Trust
The belief that trust is built on trust is not just a saying but a thriving culture here. The unwavering trust of leadership seeps in the environment to balance the idea of expectations versus delivery. Honesty and dedication is part of our cultural ethos, on top of that we are proud to have wonderful customers who trust us for the quality, craftmanship, uniqueness of designs and intime delivery. This environment is not possible unless the team of designers, crafters and managers trust each other with the confidence of being valued and appreciated by the leadership.
Natural, Mined and Responsible Diamonds
Adhering to the principles of responsibility diamonds which are chosen for jewellery are not just natural but genuine and traceable with a surety of sourced from no conflict zones where the mining does not involve child labour or human suffering. Zest Corporation jewellery is manufactured with finest quality Natural diamonds, procured through a Responsible route, mined under dignified labour processes complied with accepted practices regulated under International law and complied with the environmental law.

PATDIAM GROUP
Head Office
Bandra East Mumbai
PATDIAM
Diamond Factory
Surat, Gujarat
PATDIAM
Diamond Factory
Bhavnagar, Gujarat
PATDIAM
Jewelry Factory
Mumbai, Maharastra
ZEST CORPORATION
Head Office
Mumbai, Maharastra
ZEST CORPORATION
Jewelry Factory
Surat, Gujarat

Group Company’s Activities
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ROUGH & POLISHED DIAMONDS
Bhavnagar | Antwerp
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JEWELRY MANUFACTURING
Mumbai | Surat
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POLISHED MARKETING & SALES
Mumbai | USA | Japan | Asia | Pacific | Europe
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JEWELRY MARKETING & SALES
USA | Europe | Japan | Asia | Pacific| India | Middle East
Our Mission
To lead diamond jewellery market with innovation and designing excellence passionately. Growing with a commitment towards people, and planet with responsible practices, researched knowledge and advanced technology thoughtfully weaved to build a trustworthy environment in diamond jewellery market.
Our Vision
Building business with dedication, innovation and hard work with a strong zeal to become a trusted diamond jewellery manufacturing company with a preferred manufacturer status in domestic and global markets. To expand with designing exclusivity, creative vibrancy and modern outlook to meet growing demand of the emerging markets, while covering generic and custom made manufacturing demand with multiple manufacturing units.
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
Zest Corporation made a humble beginning at a small 1500 square feet factory cum office space in Mumbai with a team of just 50 people.
Commenced the Inter-state business operations with the establishment of a fully functional office at national capital Delhi.
With showing presence the retail market of Punjab, Zest Corporation marked its Business Expansion in the north of India.
A year which celebrated successful acquisition of 50 new Independent retailers as customers
Moved to a new premise at MIDC, Mumbai with a clear sign of business growth while increasing the count of work force to 100 dedicated personnel
Accomplished another milestone of acquiring 100 new independent retail outlets as customers and strengthened design support with the collaboration of international designers to be in tune with contemporary designs and trends.
Added more space in the production facility with an increase in workforce with 150 highly skilled workers.
Refurbished production with acquisition of new technology and upgradation with new equipment. Not just that added 150 independent retail stores as the valued clients.
A year affected by the adverseness of pandemic. Zest Corporation showed resilience with an unstoppable attitude and established a new office at Chandigarh. With a vision to go extra miles in business and to give a better work environment to its people in the new decade, bought a plot to develop a responsible, people and planet friendly business and manufacturing facility at Surat, Gujarat.
Laid the foundation stone for the new factory in Surat, Gujarat, and auspiciously began the construction with the blueprint of an ultramodern, growth and human capital centric design finalisation.
To match the international standards and partner business’s expectations for better finished output, Installed a new cad-cam machine at under construction factory facility at Surat .
Inaugurated a futuristic ultramodern, employee friendly, environment friendly and motivating production plant at Surat equipped with new machinery and technologies.

New Factory at Surat, Gujarat
inaugurated in 2023
In the middle natural environment a new factory has been developed for craftsmen, workers and business managers to work in healthy and happy environment, where a team of up to 900 members can work together. The modern and latest technology machines installed at this facility include direct gold casting technology machines, CAM machines, lab- grown diamond testing machines, gold purity testing machines and automatic jewellery casting machines. Beside machines and technology, this marvel is enriched with research and development facility and highly qualified faculty members who help in design innovation and productivity enhancement. As work - work all the time makes jack a dull boy, this facility is equipped to entertain and recreate with a theatre, indoor game’s centre, volley ball and cricket grounds where the workforce can play friendly matches or listen to motivational speakers to get inspired and feel motivated.
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2024
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2022
Business Expansion in the north of India, marked with the beginning of retailing in the state of Punjab.

2023
Business Expansion in the north of India, marked with the beginning of retailing in the state of Punjab.

2024
Business Expansion in the north of India, marked with the beginning of retailing in the state of Punjab.

2025
Business Expansion in the north of India, marked with the beginning of retailing in the state of Punjab.

2026
Business Expansion in the north of India, marked with the beginning of retailing in the state of Punjab.
Zest Corporation advantage
The most crucial aspect of the diamond-studded jewellery industry is high quality cut and polished diamonds, where Zest Corporation gets their high quality finished diamonds’ supply from the diamond-cutting and polishing facilities of their parent company at extremely competitive diamond price.
This advantage helps the company to maintain quality and deliver on time to the utmost satisfaction of the customer