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
How to Choose a Blue Sapphire
Choosing a blue sapphire is not about finding one universally better shade. Explore how different blue characters feel, how they work with jewelry and metals, and how to choose a sapphire that suits the way you want to wear it.
Read Article
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.
Read Article
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.
Read Article