Lab-grown diamond buying guide
Compare lab-grown diamonds by shape, measurements, reports and appearance. Use a practical checklist for your personal or wholesale diamond enquiry.
Read the lab-grown diamond buying guideThe knowledge library
A clearer understanding.
Good questions lead to better decisions. Explore the material, the craft and the information that travels with a diamond.
The 4Cs
Cut, colour, clarity and carat. Explore four measures that need to be read together.
Understand the diamond 4CsDiamond shapes
Eleven outlines, different facet families and the details that define their character.
Compare diamond shapesNatural & laboratory-grown
Understand origin, material properties and the questions to ask about disclosure.
Compare natural and lab-grown diamondsCut & proportions
How dimensions and facet relationships influence the way a stone presents itself.
Understand cut and proportionsGrading reports
What an independent assessment tells you, and how to verify the report.
Learn to verify a diamond reportFluorescence
A diamond’s response to ultraviolet light, explained in context.
Explore diamond fluorescenceCVD growth
Chemical vapour deposition, from growth method to finished material.
Learn how CVD diamonds growHPHT growth
High pressure and temperature, and the distinction between growth and treatment.
Understand HPHT growth and treatmentDiamond care
Gentle cleaning, considered storage and care for the setting around the stone.
Read the diamond care guideStart a conversation