PJ Joseph

Welcome! I’m P.J. Joseph—a trained gemologist with over 40 years of experience in the fascinating world of gemstones. My journey blends scientific precision with storytelling, as I’ve spent decades educating others through writing. Whether you're a curious beginner or a seasoned collector, I’m here to share insights that empower ethical, informed choices in jewelry and gemology. I hold a professional diploma (DgemG) in gemology from the Deutsche Gemmologische Gesellschaft e.V., Idar-Oberstein, Germany, and the Gemological Institute of India, Mumbai, India.

Nathalie Kelley with her Fairmined gold jewelry for Pure Earth’s 2025 auction.

Nathalie Kelley’s Ethical Gold Design for Pure Earth

Summary Actress Nathalie Kelley joins Pure Earth to create a Fairmined gold jewelry piece for the 2025 Pure Gold Auction, supporting mercury-free mining and women-led cooperatives in Peru’s Amazon. In doing so, she shows how ethical gold can protect both people and the planet. Introduction Actress and environmental advocate Nathalie Kelley has teamed up with […]

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Fruit Gems Collection by Anabela Chan fine jewelry made from food waste

Fruit Gems Collection: Fine Jewelry from Food Waste by Anabela Chan

Summary Anabela Chan’s Fruit Gems Collection transforms discarded fruits and vegetables into lab-grown gemstones. Each piece shows how design, science, and sustainability can work together to create beauty from waste. Introduction The Fruit Gems Collection by Anabela Chan redefines fine jewelry. Moreover, it turns food waste into gemstones, proving luxury can also protect the planet.For

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Award-winning microscopic image from Nikon Small World 2025 Competition

Nikon Small World 2026 Competition | Showcase Your Microscope Images

Summary The Nikon Small World 2026 Competition celebrates the beauty and precision of life as seen through the light microscope. The 2025 edition is now closed, and entries for the 2026 competition remain open until April 30 2026. Anyone interested in microscopy and photography can submit still images or time-lapse videos through the microscope. This

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FHH Certification levels – Watch Advisor, Watch Specialist, Watch Expert

FHH Certification – Watchmaking Knowledge Levels

Summary The FHH Certification, offered by the Fondation de la Haute Horlogerie (FHH), is the only internationally recognised credential for theoretical watchmaking knowledge. Covering three levels — Watch Advisor, Watch Specialist, and Watch Expert — it is globally accessible through digital exams. Over 15,000 participants have earned certification, boosting careers in retail, brand management, and

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François-Paul Journe and Dominique Gauthier at F.P.Journe Le Restaurant Geneva

F.P.Journe Le Restaurant Geneva | Fine Dining Meets Watchmaking

Summary F.P.Journe Le Restaurant Geneva is a unique meeting of haute horlogerie and haute cuisine.Founded by François-Paul Journe, the master watchmaker, and Dominique Gauthier, the Michelin-starred chef, it redefines luxury dining in Geneva’s Rue du Rhône.Every detail reflects precision, passion, and craftsmanship — values that link the art of timekeeping and the art of cooking.

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Sotheby’s Bespoke High Jewelry Service artisan crafting a diamond masterpiece

Sotheby’s Bespoke High Jewelry Service

Summary Sotheby’s Bespoke High Jewelry Service lets you design a jewel that tells your story.Each creation combines expert craftsmanship, rare gemstones, and centuries of heritage to deliver your own masterpiece. Sotheby’s Bespoke High Jewelry Service – Create Your Own Masterpiece Sotheby’s Bespoke High Jewelry Service transforms ideas into timeless jewels.With more than 280 years of

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Artisan crafting coral jewelry using hand tools.

Coral Special Report 2025: Preserving Coral Craftsmanship

Summary The 2025 CIBJO Coral Report, led by Vincenzo Liverino, calls for preserving coral craftsmanship, protecting cultural heritage, and training new artisans. It highlights coral’s artistic and environmental value, urging the jewelry trade to sustain this centuries-old skill. The Coral Report 2025 Focus With the 2025 CIBJO Congress opening in Paris on October 27, the

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Diamond yield comparison between rough and polished diamond

Diamond Yield: How Much Rough Becomes Polished

SummaryDiamond yield shows how much rough stone becomes a polished gem. Understanding diamond yield helps you estimate final weight, maximize value, and avoid mistakes. Introduction Understanding diamond yield is key when buying or cutting rough diamonds. Yield is the percentage of a rough stone that turns into a polished diamond. A 10-carat rough rarely becomes

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Vintage Art Deco and Retro Jewellery Collection by Beth Bernstein

Modern Guide to Vintage Jewellery – Beth Bernstein

SummaryExplore Beth Bernstein’s Modern Guide to Vintage Jewellery to learn how to identify gemstones, styles, and collectible pieces from the 1930s to the 1980s. Perfect for collectors and enthusiasts. Beth Bernstein is a jewellery historian, author, journalist, and former designer. Her book Modern Guide to Vintage Jewellery explores collectible jewellery from the 1930s to the

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