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GIA Diplomas

Graduate Colored Stones

Identify a stunning variety of gemstones. Evaluate them by quality, rarity, and colour. Study the most effective grading, buying, and selling techniques. A dazzling spectrum of opportunities awaits those who understand the coloured stone marketplace.

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Program Description

The Graduate Colored Stones diploma programme explores the identification of common and unusual gemstones found in the marketplace. Subjects covered include the GIA Colored Stone Grading System and the correct usage of standard gemological equipment to distinguish natural, treated and laboratory-grown gemstones. The programme also examines which gems are commercially important, shifting supply patterns, and how these factors affect gem prices and availability. This programme also includes the study of more than 60 species of gemstones, and how illumination techniques can facilitate the identification process.

What Will You Learn

Build a knowledge base about coloured stones and the coloured stone market.

Use gemmological equipment effectively to identify gemstones.

Use the GIA Colored Stone Grading System to evaluate gemstone quality.

Jiya Chabra

Jewellery Design

Recognise how quality, rarity and colour affect value.

Determine how market factors affect gem value.

Understand how gems are mined, fashioned and brought to the marketplace.

Jiya Chabra

Jewellery Design

Build a knowledge base about coloured stones and the coloured stone market.

Use gemmological equipment effectively to identify gemstones.

Use the GIA Colored Stone Grading System to evaluate gemstone quality.

Recognise how quality, rarity and colour affect value.

Determine how market factors affect gem value.

Understand how gems are mined, fashioned and brought to the marketplace.

Ideally Suited For

Coloured Stone Manufacturer

Jewellery Manufacturer

Loose Diamond / -Coloured Stone Buyer and Seller

Jewellery Retailer and Wholesaler

Lab and Research Professional

Any individual aspiring for a career in the gem and jewellery industry

Program Schedule

Course

Start Date

End Date

Location

Hours

Success Stories

Meet this diverse ensemble of GIA alums as they share stories about the impact their education has made in their lives and careers.

Manav Punjabi

GIA Graduate Gemologist

My family has been in the gemstones and pearl business for the past 60 years. GIA is the backbone of this industry and I am fortunate to be part of such a reputed Institute for the GIA Graduate Gemologist Program. Throughout my journey, I gained tremendous knowledge and support from GIA and I’m very grateful to the Institute.

My family has been in the gemstones and pearl business for the past 60 years. GIA is the backbone of this industry and I am fortunate to be part of such a reputed Institute for the GIA Graduate Gemologist Program. Throughout my journey, I gained tremendous knowledge and support from GIA and I’m very grateful to the Institute.

Manav Punjabi

GIA Graduate Gemologist
Mumbai, Maharashtra

Sandhya Agarwal

GIA Diamonds Graduate

I enrolled in the GIA Graduate Diamonds diploma programme after a recommendation of a colleague. This programme helped me to gain a deeper understanding about diamonds. I would definitely recommend all gem and jewellery aspirants to enrol in this course.

I enrolled in the GIA Graduate Diamonds diploma programme after a recommendation of a colleague. This programme helped me to gain a deeper understanding about diamonds. I would definitely recommend all gem and jewellery aspirants to enrol in this course.

Sandhya Agarwal

GIA Diamonds Graduate
Kaalii Hyderabad, Telangana

Saaransh Gupta

GIA Colored Stones Graduate

I enrolled in the GIA Graduate Colored Stones Diploma Program to help expand my family's retail business, which is currently limited to the big three gemstones - emerald, ruby and sapphire. Through this programme, I gained knowledge about so many more gemstones, their history, sources, quality factors, and more. I believe my knowledge will help me confidently communicate to my customers. I recommend this programme to anyone aspiring to be a part of the coloured gemstone industry.

I enrolled in the GIA Graduate Colored Stones Diploma Program to help expand my family's retail business, which is currently limited to the big three gemstones - emerald, ruby and sapphire. Through this programme, I gained knowledge about so many more gemstones, their history, sources, quality factors, and more. I believe my knowledge will help me confidently communicate to my customers. I recommend this programme to anyone aspiring to be a part of the coloured gemstone industry.

Saaransh Gupta

GIA Colored Stones Graduate
Hyderabad, Telangana

Bhavika Goel

GIA Jewelry Design Certificate

The reason I enrolled for the GIA Jewelry Design course is my passion for jewellery and it proved to be the right institute for my field. Although I do not belong to the gems and jewellery industry, the course has helped me acquire comprehensive knowledge on designing. Thank you GIA for a great learning experience.

The reason I enrolled for the GIA Jewelry Design course is my passion for jewellery and it proved to be the right institute for my field. Although I do not belong to the gems and jewellery industry, the course has helped me acquire comprehensive knowledge on designing. Thank you GIA for a great learning experience.

Bhavika Goel

GIA Jewelry Design Certificate
Chandigarh, Punjab

Topics Covered

Coloured Stones & Coloured Stone Grading

Learn the characteristics of coloured stones, with a focus on ruby, sapphire, and emerald.

Gem Identification

Identify more than 60 species of gemstones, distinguish naturally from laboratory-grown gems, and detect gem treatments.

Equipment & Instrumentation

Learn diamond identification and grading skills GIA graders use.

Treatments, Laboratory-Grown & Imitations

Identify gemstones that have been laboratory-grown, treated or are imitations.

Markets & Supply Chains

Understand how market factors and the supply chain affect value.

* Disclaimer -The programme dates and venue are subject to change without prior notice.

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