Diamond Education
How Old Are Natural Diamonds?
GIA describes natural diamonds as having formed over a long span of geological time, from tens of millions to billions of years ago. A grading report does not give the...
How Old Are Natural Diamonds?
GIA describes natural diamonds as having formed over a long span of geological time, from tens of millions to billions of years ago. A grading report does not give the...
What Are the 4Cs of a Diamond?
The 4Cs are cut, colour, clarity and carat weight, the four qualities GIA uses as a shared language for a diamond. We explain how we use all four together when...
What Are the 4Cs of a Diamond?
The 4Cs are cut, colour, clarity and carat weight, the four qualities GIA uses as a shared language for a diamond. We explain how we use all four together when...
What Are Brilliance, Fire and Scintillation in ...
Brilliance, fire and scintillation describe how a diamond returns light. We explain GIA brightness, fire and scintillation, how lighting changes what you see, and how we look at stones with...
What Are Brilliance, Fire and Scintillation in ...
Brilliance, fire and scintillation describe how a diamond returns light. We explain GIA brightness, fire and scintillation, how lighting changes what you see, and how we look at stones with...
What Is Length to Width Ratio on a Diamond?
Length to width ratio is the length of a diamond divided by its width. We explain how to read it on a grading report, the ranges GIA mentions for ovals,...
What Is Length to Width Ratio on a Diamond?
Length to width ratio is the length of a diamond divided by its width. We explain how to read it on a grading report, the ranges GIA mentions for ovals,...
Useful next steps
Ready to move from research to a ring?
The guides are here to help you make better decisions. These are the most useful next pages when you are close to choosing a direction.
Start here
Design your engagement ring
Turn the research into a ring brief. Choose the stone, setting, metal and details with direct guidance from À Vie.
Budget
Understand bespoke pricing
See what affects engagement ring cost, from diamond choice and metal to setting complexity and craftsmanship.
Compare
Seen a ring elsewhere?
Send us the reference. We can explain what is achievable, where the value sits, and how a bespoke version could work.
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Style, budget, diamond and setting advice for choosing or commissioning an engagement ring.
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Inspiration & Guides
Helpful buying guidance, ideas and context for planning a piece with confidence.