The diamond certification

Each diamond proposed by Ysora comes with its certificate from 0.30 ct, issued by a recognized laboratory.


Although the procedure of expertise and certification of a diamond is not mandatory, however it is strongly recommended to have the certificate of a diamond when purchased.
The first diamond certificates appeared in 1970.
The diamond certification criteria are identical whatever the country of origin of the diamond.
What is the certificate of a diamond?

The diamond certification is intended to afford to guarantee to consumers that the diamonds they buy is quality: it allows such comparisons and price estimates.

Note: have the certificate of a diamond can be very useful in case of theft, loss or when the diamond is being repaired: the certificate used to precisely identify a diamond.

A question ? Contact our customer service at 05 56 24 04 48 or via our contact form.
Our experts are at your disposal to accompany you and assist you with your purchase!
What does the certificate of a diamond?

The certificate of a cut diamond - true identity card of a diamond - guarantees to the consumer the quality of the diamond because the certificate defines the diamond at different levels:
Its weight is defined in carats
Purity: If the diamond has one or more defect (s) of structure (called inclusions or toads), it will be noted specifically.
Its color and fluorescence (blue brilliance of the diamond) the fluorescence of a diamond comes from the ability of a diamond to fluoresce under ultraviolet light. This fluorescence is usually blue and visible to the naked eye. It is advisable to avoid high fluorescence in diamonds ( "strong") because it gives an appearance says "milky" in the stone.
Its proportions: for optimal brightness, we recommend selecting a diamond whose proportions are defined as "very good".
Its finish: for finishing your diamond, choose a finish "very good" or "good" but know that the diamond finish "very good" are quite rare.
Its precise dimensions
 

A question ? Contact our customer service at 05 56 24 04 48 or via our contact form.
Our experts are at your disposal to accompany you and assist you with your purchase!
Who can issue the certificate of a diamond?

Attention because have a certificate for a diamond is not necessarily proof of quality of the stone: there are indeed certified diamonds whose quality is not necessarily good: it is necessary that the diamond certificate was awarded by an independent laboratory recognized for this and not a jeweler because the certificate of your diamond will have no value.

A question ? Contact our customer service at 05 56 24 04 48 or via our contact form.
Our experts are at your disposal to accompany you and assist you with your purchase!
How to ensure the authenticity of the certificate of a diamond?

The international standard diamond is determined by the GIA (Gemological Institute of America).
reference agencies in this area are:
GIA visit
HRD (Belgian National Laboratory) visit
IGI (International Gemological Institute) based in Antwerp visit
CCIP (Chamber of Commerce and Industry of Paris) visit
 
According to the organization to which one uses, it has a GIA certificate, HRD certificate, etc.

Note: next to these reputable organizations, there are many specialized consultancies for the certification of diamonds then you verify the authenticity of the certificate granted by such firms; their numbers have risen sharply in recent years, it is possible that the certificate be granted "doubtful" or "complacent" about the true quality of the diamond.

All certified diamonds offered by Ysora have a certificate IGI, HRD or GIA, guaranteeing their owners to have a quality diamond.

A question ? Contact our customer service at 05 56 24 04 48 or via our contact form.
Our experts are at your disposal to accompany you and assist you with your purchase!


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