Natural Sapphire & Gemstone Buying Guides
Comment savoir si un saphir étoilé est naturel : guide d'identification complet
Plussur Comment savoir si un saphir étoilé est naturel : guide d'identification complet
Saphir violet : le guide d'achat complet
Le saphir violet de A à Z : origine de la couleur, nuances lavande et prune, changement de couleur, chauffe, prix au carat et certificats. Avec la comparaison avec l'améthyste et la tanzanite, et nos saphirs violets de Ceylan disponibles.
Saphir pêche : le guide d'achat complet
Tout sur le saphir pêche : origine de la couleur, effet de la chauffe, prix au carat et certificats. Avec la frontière exacte entre saphir pêche et padparadscha, les conseils pour une bague de fiançailles et nos pierres de Ceylan disponibles.
Saphir rose naturel : le guide d'achat complet
Saphir bleu de Ceylan : le guide d'achat complet
Saphir jaune de Ceylan : le guide d'achat complet
Padparadscha Sapphire — The World's Rarest Sapphire Colour Explained
Padparadscha sapphire is the rarest colour variety in the natural corundum family — a precise salmon-pink to orange-pink tone certified only by major gemological laboratories. This guide covers what defines a true padparadscha, how it is graded, where it comes from, what it costs, and how to buy one safely.
Plussur Padparadscha Sapphire — The World's Rarest Sapphire Colour Explained
The Best Sapphire Cut for an Engagement Ring — Shape, Brilliance, and What to Choose
Plussur The Best Sapphire Cut for an Engagement Ring — Shape, Brilliance, and What to Choose
Buy Loose Gemstones the Smart Way in 2026
Violet Sapphire — The Complete Buyer's Guide to Color, Origin, and Value
Violet sapphire is vanadium-colored corundum in the blue-dominant purple zone — cooler and more blue-leaning than purple sapphire, with a meaningful lighting shift from blue-violet in daylight to reddish-purple under warm indoor light. This guide covers the vanadium color science, the precise distinction between violet, purple, and blue sapphire, the lighting shift explained and evaluated, the distinction from color-change sapphire, why fine violet is almost always unheated, origin differences between Ceylon, Madagascar, and Montana, the undervaluation argument, pricing, skin tone and metal pairing, engagement ring cuts, and certification guidance.
Plussur Violet Sapphire — The Complete Buyer's Guide to Color, Origin, and Value
How Gemstones Are Formed: The Geology Behind Sapphires, Chrysoberyl, and Ceylon's Gem Deposits











