Menu
Shaping Brilliance, Delivering Excellence.
At Ratnakala, we believe that every diamond tells a story of brilliance, craftsmanship, and precision. As a trusted name in the diamond industry, we specialize in manufacturing GIA-IGI-HRD-certified polished diamonds & loose natural diamonds ranging from 0.18 upto 10 carats in all shapes. Our dedication to excellence has made us a preferred partner for wholesalers, jewelry manufacturers, and watchmakers worldwide. With a focus on quality and innovation, we craft diamonds that add a timeless allure to every creation.
-
Global Presence
Leading wholesalers , manufacturers, jewellery brands across continents
-
Precision Crafted
Every diamond is cut and polished to perfection for maximum luminosity and symmetry.
-
Trusted Legacy
Built on decades of commitment, trust, and customer-centric leadership.
-
Ethical Practices
Sourcing and manufacturing rooted in transparency and responsibility.
-
Sustainable Impact
Driving positive change through CSR, clean energy, and community upliftment.
-
API Integration Service
No matter which type of business you run, Ratnakala Exports helps you to stay competitive with the live tracking of our diamonds. We, at Ratnakala help you to sell any or all of our inventory where ever it is, when ever needed.
Precision in Process
Every diamond we deliver goes through a meticulously controlled journey
crafted with care, perfected with purpose.
-
1
Sourcing with Integrity
We begin by handpicking high-quality rough diamonds from trusted, ethical sources across the globe. Every stone is carefully chosen for its unique potential, ensuring only the most exceptional material becomes part of our craft.
-
2
Planning & Mapping
With cutting-edge technology, each rough diamond is carefully studied to reveal its best possible shape, cut, and yield. This meticulous process unlocks maximum value while protecting the natural beauty of every stone.
-
3
Expert Cutting
Our artisans transform each diamond with unmatched precision, turning vision into reality. Every facet is sculpted with care to achieve perfect symmetry and timeless elegance.
-
4
Polishing Perfection
Through meticulous polishing, every diamond reveals its natural glow and captivating sparkle. This final touch elevates a rough stone into a luminous masterpiece, ready to shine for a lifetime.
Shining Together
Our partnerships are built on trust, transparency, and a shared vision to create lasting brilliance across the globe.
Global Brilliance, Indian Craft.
With state-of-the-art manufacturing facilities in Surat and Navsari, and a strong global presence, we take pride in delivering diamonds that embody the highest standards of quality and artistry.
-
+
EMPLOYEES
-
+
COUNTRIESGLOBAL PRESENCE
-
+
YEARS OF EXPERIENCE
-
+
CARATSMFG EVERY YEAR
Polished Diamonds
At Ratnakala, we specialize in manufacturing and supplying GIA,IGI,HRD-certified polished diamonds ranging from 0.18 upto 10 carats. Our polished diamonds are available in a variety of shapes including round, princess, oval, pear, marquise, emerald, and much more — each crafted with precision and brilliance. Leveraging decades of experience and cutting-edge technology, we ensure that every diamond is cut to ideal proportions, maximizing its fire, sparkle, and visual appeal. Whether you’re a wholesaler, jewelry manufacturer, or luxury brand, our high-quality polished diamonds offer unmatched consistency, clarity, and value. Trust Ratnakala for ethically sourced, expertly finished diamonds that meet the highest international standards.
Sustainable Diamond Manufacturing
Sustainability is at the core of Ratnakala’s diamond manufacturing process. From renewable energy use in our facilities to ethical sourcing practices, we are committed to reducing our environmental footprint. Our manufacturing plants in Surat and Navsari integrate advanced machinery and clean energy solutions, including wind power, to ensure eco-conscious production. We also invest in skill development, safe working conditions, and CSR initiatives that benefit education and healthcare in local communities. For buyers seeking diamonds with a conscience, Ratnakala delivers brilliance that supports people and the planet.
Global Diamond Supply for Jewelry Brands
We supply premium diamonds to jewelry brands across the globe, helping them craft elegant and timeless pieces. Ratnakala is deeply connected with renowned jewelers and design houses, delivering high-quality diamonds that meet the creative and commercial needs of global markets. Our inventory includes a diverse range of shapes, cuts, and sizes—perfectly suited for rings, necklaces, earrings, bracelets, and high-jewelry collections. Backed by consistency, ethical sourcing, and reliable logistics, we serve as a dependable partner for jewelry brands seeking brilliance that inspires.
Custom Diamond Supply for Watch Brands
Ratnakala is a trusted supplier of custom-cut diamonds tailored specifically for luxury watch brands. We work closely with leading watch manufacturers globally, providing diamonds that are precision-calibrated for bezels, dials, hour markers, and decorative elements. Our diamonds enhance the aesthetic and craftsmanship of each timepiece while meeting the strict quality and size tolerances of high-end watchmaking. From design collaboration to timely delivery, we support brands in creating iconic watches that reflect elegance and excellence. Our custom diamond solutions elevate both function and form, adding timeless brilliance to every tick.
UPCOMING EVENTS
Our tentative presence in the below mentioned events/conference/trade show either directly or indirectly
Can We Help?
+91 85911 08705
Newsletter Sign-up
Subscribe to our newsletter to receive news & announcements
Search Diamond
At Ratnakala, we believe that every diamond tells a story of brilliance, craftsmanship, and precision. As a trusted name in the diamond industry, we specialize in manufacturing GIA-IGI-HRD-certified polished diamonds & loose natural diamonds ranging from 0.18 to 10 carats in all shapes.
