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The Maison Piaget

The Maison Piaget

The 5Cs

Cut of a diamond

Piaget chooses diamonds which combine the very best of the four criteria – the 4C – defined by the GIA (Gemological Institute of America) in order to obtain an optimum result in terms of quality, esthetics and finish:

- Color: the rarest diamonds, pure white, graded between D and F
- Clarity: the clearest diamonds, classified between IF (Internally Flawless) and VVS (Very Very Small Inclusions)
- Cut: diamonds which brilliantly reflect the light thanks to the exceptional quality of their cut
- Carat: a wide range of diamonds including different carat weights, classified from 0.2 carats to over 3 carats.

Piaget adds to these criteria the notion of ethics with regard to the origin of the diamonds selected.

Colour: the brilliance of the most perfect diamond

The most valuable diamonds are pure white. To assess them, a scale evaluates the color of each stone from D (white) to Z (yellow).

Piaget selects only the rarest diamonds graded between D and F for center stones and G for pavés.

Brilliance scale of Piaget diamonds

Clarity: the search for absolute transparency

The most spectacular diamonds are clear; no cloudy or crystal inclusions must affect their clarity.
Each diamond is examined by Piaget gemologists using tools which provide 10x magnification of the stone, in accordance with best practice.

Piaget only chooses diamonds classified at the top of the clarity scale, between IF (Internally Flawless), with no blemishes visible even under 10x magnification and VVS (Very Very Small Inclusions), with minute inclusions invisible to the naked eye.

Purity scale of Piaget diamonds

F.L – I.F: Flawless or Internally Flawless – no blemishes visible under magnification
V.V.S.1 – V.V.S.2: Very Very Small inclusions
V.S.1 – V.S.2: Very Small inclusions
S.I.1 – S.I.2: Small inclusions
I.1 – I.2 – I.3: Imperfect

Cut/the brilliant reflection of light

The cut is the only criterion affected by human hand and is of primordial importance. A perfectly cut stone magnifies the light which is reflected from one facet to another, giving the diamond an unparalleled brilliance.
Thanks to their expertise, Piaget gemologists select stones whose cut quality reveals the full beauty of the diamond.

Piaget's criteria for ideal proportions:

Ideal diamond proportions
Cut of Piaget diamonds

Carat/the measure of a perfect diamond

One carat is equal to 0.2 grams, or the weight of a carob seed (the fruit of the African carob tree and once used as a unit of weight in gold trading).
The higher the carat, the more precious the stone, provided of course that the best of the other three criteria are considered; this is the process used by Piaget.

The Piaget collection offers a very wide range of carats:

Caratage of Piaget diamonds

Conflict free and Responsible Jewellery Council (RJC) or ethical rules

Piaget high jewelry diamonds

Piaget is a member of the Kimberley Process Certification Scheme (KPCS). This international project certifies and monitors all rough diamond transactions to ensure that diamond sales do not finance armed conflicts or criminal enterprises.

Our commitment to the Responsible Jeweler Council is a further opportunity for Piaget to demonstrate its uncompromising diligence, as each diamond must comply with the strictest requirements. Piaget received RJC certification in September 2011 following a certification audit. In 2012, Piaget worked with the RJC to create a guarantee chain for gold and for platinum group metals.

Further information:
Piaget ethics and environment
www.kimberleyprocess.com - www.responsiblejewellery.com

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