Care
Aquamarine care: scratches, knocks and cleaning
A practical care guide for aquamarine jewelry.
Read the guide →The SOUHAIT GEMS journal
Gemstone knowledge
Understand the material. Ask better questions. Choose a stone with the facts in view.
Independently written guides with links to gemological sources. General education does not replace a report for an individual stone.
9 guides
Care
Caring for blue topaz
How cleavage changes the way you wear, clean and store topaz.
Read the guide →
Gem profiles
Choosing a sapphire beyond the color name
Compare sapphire color, appearance and evidence for an individual stone.
Read the guide →
Care
Emerald care and filled fractures
Why cleaning method matters for emerald jewelry.
Read the guide →
Gemology
Gemstone treatments: the questions to ask
Understand treatment disclosure without confusing natural with untreated.
Read the guide →
Buying guides
Millimeters or carats? Choosing a stone size
Choose dimensions for a setting and actual weight for an individual stone.
Read the guide →
Gemology
How to read a colored-stone report
Check identity, treatment findings and the limits of a laboratory report.
Read the guide →
Gem profiles
Buying spinel: color and clarity in context
What to compare when choosing a red, blue or pastel spinel.
Read the guide →
Cutting techniques
Tourmaline: why color changes with direction
How viewing direction influences the appearance of tourmaline.
Read the guide →No guides match. Try another word or choose all topics.