Select Courses Pearls and Other Living Gems GAA Certificate in Opal Studies Weird & Wonderful Gemstones Laboratory Grown or Natural Diamond Practical Antique Jewellery Workshop Ornamentals - Minerals & Rocks of Beauty Introduction to Pearls & Pearl Stringing Introduction to Opal Introduction to Coloured Gemstones Introduction to Diamonds Introduction to Separation of Natural and Synthetic Gemstones (Mandarin) Introduction to Ornamentals & Crystals Practical Gemmology Advanced Gemstone Inclusions Advanced Practical Diamond Grading Gemmology Update and Synthetics Advanced Opals Gemmology for Retail (Correspondence) Jewellery Sketching and Design Diamond Technology Theory Diamond Consultant Practical Diamond Grading Gem Handling Pearl & Bead Threading Introduction to Antique Jewellery Introduction to Crystals Introduction to Gems and Gemmology Diploma in Diamond Technology Diploma in Gemmology Tailored Diamond/Gemstone Courses