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Thomas Sapphire

A seasoned lecturer and gemstone trade consultant, Thomas Sapphire has over 25 years of experience in the international gemstone market. His articles provide unique insights into trade practices, market trends, and gemstone evaluations.
Close-up of a diamond under a magnifying glass
Close-up of a diamond under a magnifying glass

How to Determine the Authenticity of a Diamond

By
Thomas Sapphire
Learn how to verify diamond authenticity with our guide! πŸ’Ž Explore techniques, certification, and tests for informed buying. Don't get fooled! 🧐
A pear-shaped diamond showcasing its unique cut and brilliance.
A pear-shaped diamond showcasing its unique cut and brilliance.

Pear vs Oval Diamond: A Detailed Comparison

By
Thomas Sapphire
Explore the detailed differences between pear and oval diamonds πŸ’Ž. Discover their unique traits, brilliance, and ideal settings for stunning jewelry pieces!
Ultraviolet flashlight illuminating a gemstone
Ultraviolet flashlight illuminating a gemstone

Enhancing Gemstone Analysis with UV Flashlights

By
Thomas Sapphire
Discover the role of UV flashlights in gemstone analysis. Learn how they reveal unique qualities of stones and improve identification. πŸ”¦πŸ’Ž
Close-up of a 0.5 carat diamond showcasing its brilliance and sparkle
Close-up of a 0.5 carat diamond showcasing its brilliance and sparkle

Exploring the Worth and Features of a 0.5 ct Diamond

By
Thomas Sapphire
Dive into the details of a 0.5 ct diamond! πŸ’Ž Explore carat weight, cut, color, clarity, and investment insights. Perfect for buyers and enthusiasts! πŸ’
Comparison of moissanite and diamond brilliance
Comparison of moissanite and diamond brilliance

Distinguishing Moissanite from Diamond: A Comprehensive Guide

By
Thomas Sapphire
Explore the key differences between moissanite and diamonds in this guide. Understand their properties, visual traits, and identification tips. πŸ’Žβœ¨
Elegant CAD design showcasing intricate jewelry patterns
Elegant CAD design showcasing intricate jewelry patterns

Mastering CAD Jewelry Design: Classes for Gemstone Craft

By
Thomas Sapphire
Discover how CAD jewelry design classes refine gemstone skills, offer modern techniques, and enhance customization in jewelry making. πŸ’βœ¨ Ideal for all levels!
Close-up of a diamond exhibiting strong fluorescence under UV light
Close-up of a diamond exhibiting strong fluorescence under UV light

Exploring Very Strong Fluorescence in Diamonds

By
Thomas Sapphire
Uncover the intricate world of strong fluorescence in diamonds. Learn its causes, grading systems, and effects on value & appearance. πŸ’Žβœ¨
A close-up of Forever Classic Moissanite showcasing its brilliance.
A close-up of Forever Classic Moissanite showcasing its brilliance.

A Deep Dive into Forever Classic Moissanite: Reviews & Insights

By
Thomas Sapphire
Dive into our detailed evaluation of Forever Classic Moissanite! πŸ’Ž Discover user reviews, key features, and how it stacks up against other gemstones. πŸ”
Close-up view of raw rose quartz crystals showcasing their clarity and color variations
Close-up view of raw rose quartz crystals showcasing their clarity and color variations

Exploring the Depths of Rose Quartz's Rich Heritage

By
Thomas Sapphire
Uncover the rich history, unique features, and market trends of rose quartz. πŸ’– Explore its geological roots and metaphysical qualities, perfect for collectors! πŸ”
Brilliantly cut Whiteflash diamond showcasing exceptional sparkle
Brilliantly cut Whiteflash diamond showcasing exceptional sparkle

Comprehensive Guide to Whiteflash Loose Diamonds

By
Thomas Sapphire
Explore the world of Whiteflash loose diamonds! Discover their unique traitsβ€”cut, clarity, color, and carat. Learn about ethical sourcing and certification. πŸ’Žβœ¨
A close-up view of a lab-created diamond showcasing its brilliance
A close-up view of a lab-created diamond showcasing its brilliance

The Intrinsic Value of Lab-Created Diamonds Explained

By
Thomas Sapphire
Discover the true value of lab-created diamonds πŸ’Ž. Explore their characteristics, production, market trends, and ethical aspects for informed investment decisions.
Elegant studded diamond earrings on a velvet display
Elegant studded diamond earrings on a velvet display

Exploring the Elegance of Studded Diamond Earrings

By
Thomas Sapphire
Explore the world of studded diamond earrings! πŸ’Ž Discover their history, types of diamonds, design significance, maintenance tips, and market trends.