Kumbhari, Solapur · 9:30 AM – 8:30 PM · Open all seven days
+91 70207 35981Sadhguru Gems & Jewellers
A four-level path, from the first name of a stone to the words on a bill. One new lesson each India day. Notes, a quiz, and a video only when the shop has added one.
Learning path
Level 1 →
Basic
Level 2 →
Intermediate
Level 3 →
Advanced
Level 4
Professional
Two, four, six, eight and twelve week courses use the same gemology sequence, cut to that length. A fee of zero means the shop has not set it. Enrollment stays closed until they do.
Level 1 · Basic
Two weeks: what gemology is, and the first optical words. The shop has not set a fee yet, so enrollment stays closed.
2 weeks · 14 daily lessons · access 21 days
Fee not set
Level 1 · Basic
Four weeks: foundations, optics, observation, and the first instruments. Enrollment opens only after the shop sets a fee.
4 weeks · 28 daily lessons · access 45 days
Recommended after 2 Week Gemology. You can still enroll if the fee is set.
Fee not set
Level 1 · Basic
Six weeks of foundations: what a gem material is, how it is named, and what a bill should say.
6 weeks · 42 daily lessons · access 30 days
₹1,999
Level 2 · Intermediate
Eight weeks. Colour, instruments, and the main gem families. Recommended after Basic.
8 weeks · 56 daily lessons · access 90 days
Recommended after Gemology Starter. You can still enroll if the fee is set.
₹7,999
Level 3 · Advanced
Twelve weeks through identification, trade practice, and tradition labelled as belief. Recommended after Intermediate.
12 weeks · 84 daily lessons · access 180 days
Recommended after Gemology Foundation. You can still enroll if the fee is set.
₹29,999
Level 4 · Professional
Ten weeks for diamond, coloured stones, and shop practice. Recommended after Advanced. Not a GIA diploma.
10 weeks · 70 daily lessons · access 180 days
Recommended after SGJ Advanced Gemology. You can still enroll if the fee is set.
₹19,999
Bundle
Start-to-end video bundle. US$45, charged in rupees. One new lesson per India day. Not a GIA qualification.
12 weeks · 84 daily lessons · access 365 days
₹4,278
US$45 start to end. Razorpay charges this rupee amount.
Week 1
Gemology Foundations
What Is Gemology? · Minerals, Rocks and Gem Materials · Gemstone Classification · Crystal Systems · Gemstone Formation · Physical Properties · Weekly Review & Quiz
Week 2
Optical Properties
Colour: Hue, Tone and Saturation · Transparency and Lustre · Hardness and Durability · Specific Gravity · Refractive Index · Birefringence and Pleochroism · Inclusions & Weekly Quiz
The next lesson opens on the next India calendar day, after the quiz is passed.
Paid students see their own lessons, questions and assignments. Draft notes stay hidden.
Completion of this online course. Not GIA, IGI, or a government qualification.
It is online education. It is not hands-on laboratory training. Tradition, including Navagraha and birthstones, is labelled as belief. The lessons do not promise health, wealth, or a future price.
