Sales Skills Training
About IIJF
Elevating the Global Gems & Jewellery Industry
The global gems and jewelry domain thrives on trust, precision, and up-to-date knowledge. At IIJF – International Institute of Jewelry Forensics Pvt Ltd, we are a pioneering startup committed to defining a new era of professionalism. Our central vision is to infuse the industry with better, ethical, transparent, and updated knowledge, ensuring that every professional and business operates with the highest standards of integrity.
Our Core Focus: Building World-Class Expertise
As a dynamic startup, our primary focus is on delivering high-impact training solutions that meet the immediate needs of the global market.
1. Tailored Corporate Training
We partner with Major Jewellery Brands across the globe to offer specialized, customized Corporate Trainings. These in-demand programs are tailormade to uplift the skills of Management and Sales staff, ensuring they are masters of product knowledge, ethical selling, and market trends.
2. Comprehensive Course Offerings
We provide a diverse range of certified diploma and non-certified crash courses, available through flexible fully online and intensive onsite formats. This ensures accessibility for working professionals, ongoing students, and international learners alike.
Our flagship courses include:
Gemology, Diamond Grading, Gemstone Identification
Design & Technology: Manual Jewellery Designing, CAD Jewellery Designing
Business: Jewelry Merchandising, Astro Gemology, and many more
The IIJF Commitment: Talent, Placement, and Global Reach
JERIN JOY
Founder, Director & Certified Lead Corporate Trainer
Meet the Founder
Jerin Joy AKA Jerry Rubello
IIJF – International Institute of Jewellery Forensics Pvt Ltd was established on 26th June 2025, by Mr. Jerin Joy, a distinguished professional renowned for his integrity, expertise & knowledge as a Professional Gems & Jewelry Consultant, Educator & a Certified Corporate Trainer.
Mr. Jerin’s journey began unexpectedly as an Aeronautical Engineer before he transitioned his analytical skills and precision into the captivating world of Gems and Jewelry. He holds certifications as a Gemologist and an Accredited Jewelry Professional (AJP), building a 14-year career marked by technical depth and leadership.
A Legacy of Expertise
Mr. Jerin’s extensive 14-year career spans diverse domains, having collaborated with leading international laboratories and organizations, including GIA, IGI, SGL, MTGL, and IIG. His professional roles have covered the full spectrum of the industry, including:
- Diamond Grader & Gemologist
- Jewelry Grader & Technical Manager
- ISO Audit Specialist
- Customs Inspection Officer
- Brand Strategist & Consultant
- Head of Education & Corporate Trainer (in India and abroad)
Renju Titus
Director & Head of Education
Meet the Director
Renju Titus
The path Renju took to become the Director and Head of Education at IIJF is a unique tapestry woven from commerce, compassion, and precious stones.
Her foundation began in Kerala, culminating in a Master’s in Commerce and a Bachelor of Commerce from Calicut University. But the classroom wasn’t her only calling. Driven by a passion for social impact, Renju spent time in service with a UK-based social service organization, dedicating her efforts to educational upliftment across India, notably in Bihar. This significant work earned official recognition with a certificate from former British Prime Minister Theresa May—a rare honor reflecting her commitment beyond academics.
After her marriage to Mr. Jerin Joy, Renju strategically channeled her sharp business mind into the world of jewels. She pursued elite credentials, mastering her craft with a Gemology Graduate certification from GII, Mumbai, and specialized courses like Diamond Essentials and Pearl Graduation from GIA, Mumbai.
Renju quickly became a force in the industry, serving as a Senior Gemology Faculty and actively working in the Gems and Jewellery Industry for the past six years. Her expertise is not just theoretical; it’s entrepreneurial. She is the Founder of Abalonea Jewels, a successful venture offering all kinds of fashion jewellery, giving her a vital pulse on current market trends.
Popular Courses
Limitless learning, more possibilities.




Learning Objectives
So many academic goals that we expect you to achieve.
Collaboration & Teamwork
Self-Directed Learning
Market Awareness & Trend Analysis
Lifetime Learning & Networking
Current Market Proficiency
Technical Proficiency
Why Choose IIJF?
A choice that makes the difference.
Our Major Corporate Clients & Collaborators











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