This one-day Gemstone Identification and Jewelry Care teaches the fundamentals of recognizing and evaluating different gemstones, including natural and synthetic stones. Participants will gain hands-on experience using actual gemstones and basic identification tools.
📅 Date: November 20, 2026 (Friday)
🕙 Time: 10:00 a.m. – 5:00 p.m.
📍 Venue: Golden Treasure Skills and Development Program, Anonas Road, Project 3, Quezon City
💎 This one-day seminar will teach you the fundamentals of gemstone identification and appraisal. Learn how to recognize and evaluate different gemstones using basic gemological principles, understand the difference between natural and synthetic stones, and assess the factors that influence a gemstone’s value and durability.
Participants will also practice identifying and appraising various gemstones during the class, allowing you to apply what you learn using actual stones and basic gem identification tools.
✔ Aspiring gemstone appraisers
✔ Pawnshop owners and staff handling gemstone jewelry
✔ Jewelry sellers and traders who want to evaluate gemstones more accurately
✔ Collectors and enthusiasts interested in gemstones
✔ Entrepreneurs planning to enter the jewelry or appraisal business
Melinda Arboleda
Melinda M. Arboleda
Accredited Gemologist & Entrepreneur
Melinda M. Arboleda is an Accredited Gemologist from the Asian Institute of Gemological Sciences (AIGS) in Thailand, with professional knowledge in gemstone identification, jewelry evaluation, and proper jewelry care.
With over two decades of entrepreneurial experience, she combines her gemological expertise with practical knowledge of business operations, retail management, and customer relations.
As the owner of Daisuki Shop, a business specializing in silver jewelry and gemstones, she applies her knowledge to identifying gemstones, evaluating jewelry, and educating customers about jewelry quality and proper care.
Her professional background also includes managing Nihon Kara Auction House, where she gained experience in product evaluation, sourcing, sales, and customer transactions. Beyond the jewelry industry, she has established and managed businesses in travel services and personal care, further strengthening her entrepreneurial and customer service experience.
Her Advocacy: Empowering Informed Jewelry Buyers
Melinda believes that consumers should have the knowledge and confidence to understand what they are purchasing, especially when investing in gemstones and jewelry.
Through gemstone identification and jewelry care education, she aims to help individuals distinguish between different types of gemstones, recognize important quality characteristics, understand proper jewelry care, and become more aware of misleading representations in the marketplace.
Her goal is to make gemological knowledge more accessible and practical, empowering consumers to make informed purchasing decisions and protect themselves from misrepresentation and fraudulent selling practices.
Areas of Expertise
Gemstone Identification
Jewelry and Gemstone Knowledge
Jewelry Evaluation
Jewelry Care Education
Customer Education
Entrepreneurship and Business Management
As a resource speaker at Golden Treasure Skills and Development Program, Melinda brings together her professional gemological knowledge, real-world jewelry business experience, and commitment to consumer education to help participants become more knowledgeable and confident when buying, evaluating, and caring for gemstones and jewelry.
This hands-on Jewelry Appraisal Training teaches the fundamentals of evaluating gold, silver, diamonds, and other jewelry. Learn basic testing and appraisal techniques, understand the factors that affect jewelry value, and practice using actual pieces and appraisal tools.
Learn the fundamentals of jewelry making through a purely hands-on training program, covering essential techniques used in creating, repairing, and finishing jewelry.
This one-day seminar will teach you the fundamentals of jewelry appraisal for gold and diamonds. Learn step-by-step how to determine gold karat, grade diamonds, spot fake jewelry, and document your appraisal properly — then put your learning into practice by appraising real gold and diamonds during the class. Gain the confidence and skill to value jewelry accurately and professionally.
