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.

A split image comparing a South Indian gold bride vs a North Indian Polki bride illustrating North vs South Indian Jewelry.

North vs South Indian Jewelry: Gold Purity & Trends 2026

Gold & Jewelry, Indian Heritage, Jewelry Business /

Introduction As we step into 2026, the Indian jewelry market remains a tale of two distinct worlds. North vs South Indian Jewelry traditions have captivated the world for centuries. However, even with unified regulations like BIS Hallmarking, the regional tastes diverge sharply. While South Indian buyers cherish high-karat gold as a timeless asset, Northern enthusiasts flock to gem-studded masterpieces. […]

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A laser beam passing through a diamond crystal illustrating Diamonds as Quantum Super-Materials.

Diamonds as Quantum Super-Materials: An Expert Guide

Future Trends, Gemology, Technology /

Introduction For over a century, diamonds have symbolized eternal luxury, thanks to the famous De Beers slogan: “A diamond is forever.” However, in today’s era, this phrase gains a fresh, exciting meaning. Diamonds as Quantum Super-Materials are now stepping out of the jewelry box and into the laboratory. In fact, engineers now harness the diamond’s unmatched durability

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A luxury watch with a scratch-resistant Synthetic Sapphire in Watches crystal.

Synthetic Sapphire in Watches: An Expert Guide

Gemology, Horology (Watches), Technology /

Introduction In the world of luxury, clarity is everything. Whether it is a flawless diamond or a pristine watch face, we demand perfection. Synthetic Sapphire in Watches has revolutionized modern watchmaking. Almost every major brand—from Rolex to Titan—now uses this lab-grown material for their watch “glass.” Why? Because it offers unmatched scratch resistance and crystal-clear visibility. In fact, this innovation marks

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A jeweler holding a magnifying loupe inspecting a diamond under the new BIS Standard for Diamonds.

BIS Standard for Diamonds: New Rules 2025 Explained

Consumer Protection, Gemology, Jewelry Business /

Introduction India stands at the forefront of a global jewellery revolution, and the new BIS Standard for Diamonds (IS 19469:2025) marks a pivotal shift for the sector. As one of the world’s fastest-growing markets, transparency is now more critical than ever. However, with rapid growth comes a risk: Confusion. As the market floods with both Natural and

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A luxury watch featuring a case made of green Synthetic Emeralds in Watches.

Synthetic Emeralds in Watches: An Expert Guide

Gemology, Horology (Watches), Lab-Grown Gemstones /

Introduction As we step into 2026, the line between jewelry and technology is blurring. Synthetic Emeralds in Watches are no longer just cheap substitutes; they are becoming engineering marvels. Watch brands increasingly turn to these lab-created gems for their timepieces. For instance, companies prioritize consistent color and flawless clarity that nature simply cannot provide at scale. However,

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Macro shot of a mechanical watch movement showing pink Synthetic Rubies in Watches as bearings.

Synthetic Rubies in Watches: The Hidden Engine of Luxury

Gemology, Horology (Watches), Technology /

Introduction As we celebrate the New Year, millions of people look at their watches to count down the seconds. However, few realize that the heartbeat of their timepiece depends on a gemstone. Mechanical watches rely on precision engineering for flawless performance. Yet, one unsung hero powers them: Synthetic Rubies in Watches. These gems act as “Jewel Bearings,” slashing

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A comparison of intricate handcrafted Indian gold jewelry vs sleek modern Chinese jewelry.

Indian vs Chinese Jewelry: Purity & Craftsmanship

Global Trends, Gold & Jewelry, Jewelry Business /

Introduction As we look at the global jewelry map, the comparison of Indian vs Chinese Jewelry reveals two distinct giants. Both nations have traditions that have captivated the world for centuries; however, they differ significantly in approach. While Indian jewelry shines through its high-karat handcraftsmanship and deep ritual ties, Chinese jewelry often prioritizes mass-market efficiency, minimalist designs, and unique

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A Jaipur Watch Company timepiece featuring an antique one rupee coin dial.

Jaipur Watch Company Review: Wearable Indian Heritage

Horology (Watches), Indian Heritage, Rajasthan /

Introduction As we continue exploring the craftsmanship of Rajasthan, we must look beyond jewelry. The Jaipur Watch Company stands out as a unique micro-luxury brand that masterfully blends timekeeping with cultural storytelling. Founded in 2013 by visionary entrepreneur Gaurav Mehta, the company does something no one else in India does: it crafts hand-assembled timepieces featuring authentic artifacts, such as

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A bride wearing Traditional Rajasthani Jewellery including Aad and Rakhdi.

Traditional Rajasthani Jewellery: An Expert Guide

Gold & Jewelry, Indian Heritage, Rajasthan /

Introduction As we journey north from Gujarat, we enter the land of Kings: Rajasthan. Traditional Rajasthani Jewellery is perhaps the most globally recognized form of Indian adornment. Where Kerala jewelry focuses on solid gold, Rajasthan focuses on Color and Craft. To begin with, these pieces are not just ornaments; they are symbols of social prestige and martial pride.

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A vivid blue male Grandala bird compared to a Kashmir Blue Sapphire.

Kashmir Sapphire vs Grandala: Blue Jewels of the Himalayas

Gemology, Himalayas, Nature & Wildlife /

Introduction In the world of natural wonders, the comparison of Kashmir Sapphire vs Grandala captivates the imagination. Both are blue legends of the Himalayas—one buried in the earth, the other flying in the sky. In this comparative study, we will explore the Kashmir Sapphire vs Grandala—analyzing the difference between the “Velvet Blue” of the stone and the “Electric

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