Polished Diamond Graduate

POLISHED DIAMOND GRADUATE

Polished Diamond Graduate (PDG) is a professional course with 100% practical training at J K Diamonds Institute. Learn natural and lab-grown diamond grading, jewelry business fundamentals, and hands-on skills through our advanced Learnathon platform to become industry-ready.

9 Modules 3 Months

Startup/Business Guidance

100% Practical

CONTACT US

Polished Diamond Graduate

POLISHED DIAMOND GRADUATE

Master PDG with 100% practical training at J K Diamonds Institute. Learn all about the diamond business ( both natural and lab-grown) as well as jewelry business through our advanced Learnathon platform and become industry-ready.

8 Weeks Duration

Startup/Business Guidance

100% Practical

100% Practical

CONTACT US

MASTER DIAMONDS GRADING & TRADING WITH EXPERT GUIDANCE

THIS COURSE INCLUDES

Master the Art of Polished Diamonds

Develop expertise in grading, plotting, and quality evaluation techniques trusted by professionals

Future-Proof Your Career

Training designed for aspiring diamantaires, business owners, and global traders

Guided Yet Flexible

Learn at your own pace with mentorship from seasoned veterans in the diamond industry

Step Into Global Markets

Expand your knowledge with in-depth insights into trade, exports, and international opportunities

SKILLS YOU WILL LEARN

Business Essentials

Diamond Mastery

Diamond Mastery

Grading & Buying Mastery

Trends & Trading

Global Diamond Standards

Industry Navigation

POLISHED DIAMOND COURSE MODULES

Diamond Basics J K Diamonds Institute

Module - 1

Diamond Basics – Origin, Properties & Processing

Introduction to Diamonds & diamond sources

Properties of diamonds

Formation & Mining Techniques

Process after mining

Identification of Rough Diamonds

Manufacturing process from rough diamond to polished diamonds

Advanced Grading J K Diamonds Institute

Module - 2

Advanced Grading – 7C & 7S Framework

In-depth 7C & 7S Training with High-Quality Practical Sessions

Clarity Grading: Nearly Double the International Standard with Extra Grades

Internal & External Features in Clarity Grading

The appearance of Inclusions & Blemishes

D.Card Technique with Advanced Plotting & Mapping

Practical grading & QC in mounted jewelry

Unique System to Enhance Focus & Detect Minute Defects in High-Grade Diamonds

Grading of the melee – star to solitaire

Color Grading J K Diamonds Institute

Module - 3

Color Grading – Standards & Fancy Hues

Color Grading as per Indian & International Standards

Different types of colored diamonds

International color grading terms (D – Z)

Practical color grading

Fancy Colored Diamonds

Fluorescence in diamonds

Cut Grading J K Diamonds Institute

Module - 4

Cut Grading – Proportions & Precision

Cut Grading

Different types of cut

Triple X cut in diamond

Post-Mining Process

Diamond Proportions: Table %, Crown Height, Pavilion Depth & More

Methods to measure Proportions

Different types of cuts Hearts & Arrows

J.K.D.I.G.J. pioneers Cut Grading with OTE & Star Effects, enabling distinction without measuring proportions

Fancy Shape Diamond Grading J K Diamonds Institute

Module - 5

Fancy Shape Diamond Grading

Practical Grading of Fancy Shape diamonds

Carat Weight & Value Impact  J K Diamonds Institute

Module - 6

Carat Weight & Value Impact

Carat Weight

Techniques to Estimate Weight in Mounted Jewelry & Loose Diamonds

Effects of Size carat on Price

Diamond Basics J K Diamonds Institute

Module - 1

Diamond Basics – Origin, Properties & Processing

Introduction to Diamonds & diamond sources

Properties of diamonds

Formation & Mining Techniques

Process after mining

Identification of Rough Diamonds

Manufacturing process from rough diamond to polished diamonds

Advanced Grading J K Diamonds Institute

Module - 2

Advanced Grading – 7C & 7S Framework

In-depth 7C & 7S Training with High-Quality Practical Sessions

Clarity Grading: Nearly Double the International Standard with Extra Grades

Internal & External Features in Clarity Grading

The appearance of Inclusions & Blemishes

D.Card Technique with Advanced Plotting & Mapping

Practical grading & QC in mounted jewelry

Unique System to Enhance Focus & Detect Minute Defects in High-Grade Diamonds

Grading of the melee – star to solitaire

Color Grading J K Diamonds Institute

Module - 3

Color Grading – Standards & Fancy Hues

Color Grading as per Indian & International Standards

Different types of colored diamonds

International color grading terms (D – Z)

Practical color grading

Fancy Colored Diamonds

Fluorescence in diamonds

Cut Grading J K Diamonds Institute

Module - 4

Cut Grading – Proportions & Precision

Cut Grading

Different types of cut

Triple X cut in diamond

Post-Mining Process

Diamond Proportions: Table %, Crown Height, Pavilion Depth & More

Methods to measure Proportions

Different types of cuts Hearts & Arrows

J.K.D.I.G.J. pioneers Cut Grading with OTE & Star Effects, enabling distinction without measuring proportions

Fancy Shape Diamond Grading J K Diamonds Institute

Module - 5

Fancy Shape Diamond Grading

Practical Grading of Fancy Shape diamonds

Carat Weight & Value Impact  J K Diamonds Institute

Module - 6

Carat Weight & Value Impact

Carat Weight

Techniques to Estimate Weight in Mounted Jewelry & Loose Diamonds

Effects of Size carat on Price

Diamond Valuation & Pricing J K Diamonds Institute

Module - 7

Diamond Valuation & Pricing

Cost

World’s First Unique System for Approximate Valuation of Any Grade, Size & Color

Mounted Jewelry Grading

Practical Estimation of Mounted diamond jewelry

Estimation of Fancy Shaped Diamonds

Effects of Clarity, Color, Cut & Carat on Valuation

Identification – Natural vs Simulants J K Diamonds Institute

Module - 8

Identification – Natural vs Simulants

Diamond Identification from Simulants like A.D., C.Z., Moissanite & More

Synthetic Diamonds

Clarity & Color Treatments  J K Diamonds Institute

Module - 9

Clarity & Color Treatments

Clarity Treatments in Diamonds

Color Treatments in Diamonds

Diamond Assorting & Handling J K Diamonds Institute

Module - 10

Diamond Assorting & Handling

Selection – Rejection

Diamond Assorting & Final Assorting

Bagging & Fluting

Measuring diamond through Special Gauge

Operating Sieves

Handling Techniques of Instruments & Accessories

Certification & Market Insights J K Diamonds Institute

Module - 11

Certification & Market Insights

Understanding and making of Diamond & Jewelry Laboratory Report

Preview of International & National Market

Jewelry Settings & Metal Valuation J K Diamonds Institute

Module - 12

Jewelry Settings & Metal Valuation

Different types of settings

Computation of composition of alloy to make different karat gold

Valuation of different karat gold

Jewelry Estimation

Case Studies & Market Analysis J K Diamonds Institute

Module - 13

Case Studies & Market Analysis

Case Studies

Market Analysis

Diamond Trading & Business Strategies J K Diamonds Institute

Module - 14

Diamond Trading & Business Strategies

Diamond Trading: National & International Markets

Online Marketing / Offline Marketing

Market Terms of Business

Startup Guidance

Final Assessment & Certification J K Diamonds Institute

Module - 15

Final Assessment & Certification

Practical & Theory Examination

Diploma Awarded: Polished Diamond Graduate (P.D.G. Advanced)

Course Material – GRADING KIT

Lifetime access to course updates through ‘Learnathon

Diamond Basics J K Diamonds Institute
Diamond Basics J K Diamonds Institute

OUR ALUMNI BRANDS

CAREER EDGE

Explore diverse opportunities for your future!

Diamond Buyer

Diamond Assorter

Lab Owner

Importer / Exporter

Diamond Broker

Showroom Owner

A GLOBAL CLASSROOM

Trusted by learners across 35+ countries

India

USA

Canada

UK

France

Spain

Belgium

Israel

UAE

Oman

Iraq

South Korea

Tanzania

Nepal

New Zealand

Mauritius

Botswana

Hongkong

Thailand

Kenya

Madagascar

Bahrain

Afghanistan

Sudan

Philippines

Congo

Sri Lanka

Saudi Arabia

Cambodia

Australia

Nigeria

Japan

Bangladesh

India

USA

Canada

UK

France

Spain

Belgium

Israel

UAE

Oman

Iraq

South Korea

LEARN, LEAD, INSPIRE

From learners to leaders, shaping the future of gems & jewelry

Trusted by learners across 35+ countries

PDG SUCCESS STORIES

From Classroom to Industry — 

Inspiring Success Stories of Our Alumni

Nikhil Jain

Before

Freelancer

After

Manufacturer of Premium CZ Jewellery

Jigyasu Kothari

Before

Freelancer

After

Building a Diamond Jewellery Business

Siddhant Sanghvi

Before

Freelancer

After

Building a Modern Diamond Brand

Anushka Jain

Before

Small scale existing jewelry business

After

Scaled up business as an Influencer brand

Rajiv Popley

Before

Fresher

After

Owns Legacy brand Popley & Sons

Prapanjj Kota

Before

Fresher from a jewelry family business.

After

Start up in Lab grown Diamond jewelry

Saloni Nahar

Before

Fresher

After

Adorna Jewelry Brand

Aarj Jain

Before

Fresher

After

Scaling manufacturing at Siddhi Jewels

POLISHED DIAMOND COURSE CERTIFICATION

This certificate is recognized by the entire diamond industry across India.

LISTEN FROM OUR ALUMNI

POLISHED DIAMOND COURSE ADMISSION PROCESS

SIMILAR JEWELRY DESIGN COURSES

Certified Diploma

Polished Diamond Graduate

Diamond Technicals

7Cs and 7S

Diamond Trading

+

3

8 Weeks

Business Guidance

100% Practical

October 6

Certified Diploma

Diamond Business Mastermind

Industry Basics

Business Management

Sales Strategy

+

2

8 Weeks

Market Knowledge

100% Practical

October 6

Certified Diploma

Gemology Graduate

Gem Identification

Origin Analysis

Rare & Organics

+

2

8 Weeks

Industry Visits

100% Practical

October 6

Certified Diploma

Jewelry Design Graduate CAD

Animation

Production Knowledge

Rhino, Matrix & ZBrush

+

2

3 Months

Global Touch

100% Practical

October 6

Certified Diploma

Jewelry Design Graduate Manual

Freehand Sketching

Digital Designing

Jewelry Estimation

+

2

8 Months

Market Knowledge

100% Practical

October 6

Certified Diploma

Jewelry Engineering

CAD Modeling

Casting Mastery

Production Planning

+

3

2 Months

B2B Business

100% Practical

October 6

POLISHED DIAMOND FAQs

Aspiring diamond merchants, jewelry manufacturers, retailers, and laboratory owners are increasingly pursuing a Polished Diamond Graduate at JK to upskill and capitalize on the growing demand and higher margins in diamond jewelry over traditional gold jewelry.
J K Diamonds Institute of Gems & Jewelry has been renowned for High-Quality Practical Training since 1989, benefiting thousands of diamond traders and jewelers. Our training systems focus on technical skills with real market scenarios, offering unmatched exposure to a vast stock of diamonds and jewelry of various sizes, colors, and grades. Courses integrate trade techniques, terminology, and business skills essential for success in the Gems & Jewelry industry. Additionally, students gain hands-on experience through industry visits, including markets, factories, design studios, exhibitions, fashion shows, online trading, and international trips.
J K Diamonds Institute offers industry-oriented training with experienced faculty who are successful professionals. Our unique D.Card technique enhances diamond grading accuracy. We provide individual attention, a self-paced learning approach, and a dynamic batch system for better progress tracking. Unlike textbook-based learning, students gain hands-on experience with diamonds, jewelry, and the latest technology. Many even join us after international courses for market-focused practical training.
You can pay the polished diamond grading course fees using any mode of transfer including cash, cheque, DD, NEFT, RTGS, or IMPS. However, please note that the cash will be accepted subject to the threshold limit as per the Income tax law.
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