Key takeaways
• The Diamond Council of America (DCA) has launched a fully updated Colored Gemstone Course on its new learning platform.
• The modernized course features interactive flashcards, AI-powered roleplay tools, and expanded content on gemstone sources and treatments.
• The curriculum is organized into 12 lessons designed to help jewelry professionals build product knowledge and increase sales confidence.
(New York, NY) – Diamond Council of America (DCA), a charitable non-profit organization that provides education and professional certification opportunities in diamonds, colored gemstones, and fine jewelry sales, announced that The Colored Gemstone Course is fully updated and live in DCA’s new learning platform.

As part of DCA’s ongoing commitment to modernizing education for today’s jewelry professional, the course now features interactive flashcards and knowledge checks to reinforce learning, scenario-based roleplay with interactive AI tools, enhanced visual design for a smoother, more engaging experience, and expanded content on gemstone sources, treatments, jewelry styles, and more.
“DCA has always been committed to providing practical, relevant education for jewelry professionals, and this updated Colored Gemstone Course is a major step forward. It strengthens product knowledge while directly supporting confident, effective sales conversations with customers,” says Annie Doresca, DCA President & CEO.
This course takes learners on an in-depth journey through the world of colored gemstones, equipping them to build desire, communicate value, and guide confident customer purchases. It’s perfect for new associates or seasoned professionals looking to deepen their knowledge of gemstones.
The Colored Gemstone Course is organized into 12 lessons covering everything your team needs to sell colored gemstones confidently.
For more information about DCA, to enroll in DCA courses, or to become a member, please visit www.dcalearning.org.
About Diamond Council of America:
Diamond Council of America (DCA) is a charitable non-profit organization that offers jewelers the opportunity to earn professional certifications in diamonds, colored gemstones, and fine jewelry sales through distance education. Visit www.dcalearning.org for more information.
















































































