Gemstone Knowledge
SOOKJAI KNOWLEDGE
Gemstone Knowledge
A considered guide to gemstones — from colour and cut to origin, treatment and the stories behind each stone.
Sapphire · Colour
Sapphire Colours: From Blue to Pink, Yellow and Beyond
Explore the colour range of sapphire, from familiar blues to pink, yellow, green and other hues, and understand how hue, tone and saturation shape what we see.
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Sapphire
What Is Sapphire? A Complete Guide to the Gemstone
An introduction to sapphire: what it is, why it appears in so many colours, how colour, clarity, cut and treatment shape its appearance, and why it remains one of the most enduring gemstones for jewelry.
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