Posts by G S SACHIN
Unheated or Just Well Lit? Sapphire Checks You Can Do at Home
Most sapphires you see for sale are heat-treated to improve color and clarity. That treatment is usually harmless, stable, and widely a...
Will a Polishing Cloth Change the Look? A 7-Day Clean Cycle
Polishing cloths are a common tool in jewelry care. They are simple: a soft fabric, sometimes treated with a mild abrasive or anti-tarn...
Claw Colour Matters: Yellow vs White Gold Under UK LEDs
When you look at a diamond or coloured stone in a shop, the small metal claws (prongs) that hold it in place do more than secure the ge...
Six-Prong vs Bezel: Which Tames Moissanite Sparkle Best?
Moissanite is naturally more brilliant and more fiery than diamond. That extra sparkle is part of its appeal — and part of the challeng...
Can a Bench Jeweller Spot Moissanite in Seconds? Hatton Garden Tests
Bench jewellers in Hatton Garden get questions all the time: "Is that a diamond or moissanite?" Many people assume a trained eye can te...
Car Interiors & Moissanite: Does Tinted Glass Overdo the Disco?
Moissanite is famous for its fire and brilliance. It scatters light more than diamond, so it can look very lively. Car interiors change...
Why Thermal Testers Fail on Moissanite—and What UK Jewellers Use
Thermal testers were once a jeweller’s fastest way to check a stone. They still work well for many gems, but they fail predictably with...
Moissanite vs Lab Diamond in Overcast Light: Which Pops?
When clouds cover the sky, gemstones lose the dramatic spotlights of direct sun. Diffuse light puts a different test on stones: it reve...
Moissanite’s “Rainbow Fire”: Gorgeous Outdoors, Loud Indoors? A Week in London
I spent a week in London wearing a 1.5 ct (about 7.4 mm) moissanite solitaire to test a common question: is moissanite’s famous “rainbo...
DEF vs Near-Colourless: Will Your Setting Show the Tint?
Choosing between D–F (colorless) and near-colourless (G–J) diamonds affects both price and appearance. The main question is this: will ...