“The Gemmological Certificate is a real identity card of the gem, where all the characteristics are declared, and it is a certificate that must be drawn up by a professional Gemologist or by an independent gemmology laboratory. Professional experts in fact, thanks to specific equipment, are able to evaluate and certify the characteristics that the precious one presents. “
   – Adriano Genisi

My Guarantee

The jewels are covered by a one-year guarantee from the date of shipment.
The guarantee is constituted by the INVOICE of the purchase of the product itself.
The warranty is valid if the product shows obvious defects or in case of breakage.

The following is strictly excluded from the warranty:
. Discoloration of the plating or color (especially due to the use of perfumes or detergents)
. Natural physical characteristics of pearls or stones.
. Damage or breakage caused by accidental impacts

Warranty interventions must be carried out in our laboratories. Any technical tampering carried out outside our laboratories will result in the termination of the guarantee.

Warranty repairs are free of cost.

Should customers who have purchased on the site need assistance, please contact us in one of these numbers: +39 0444 520224 or +39 348 8597634.

Gemological Certificate


Gemological certificate is a veritable gem ID card, where all features are declared and it is a certificate which must be drafted by a professional Gemologist or by an independent laboratory of gemmology.In fact, professionals with specialized equipment are able to evaluate and certify the characteristics that the precious presents

The certificate shows the declaration of Pearl type (natural or cultured), the cultivation environment (salt water or fresh water), if any treatments were subjected, weight, size, color, shape, surface regularity and drilling; on request, for cultured pearls with nucleus, you can identify the nacre layer thickness. In these cases, it is necessary to further analyse it with x-ray instrument in a laboratory.


  • Code: refers to the sale of the product code;
  • Pearl Diameter: the measurement is performed with a micrometer, (example: 5.00 – 5.28) and the measurement is expressed in mm;
  • Pearl type: identifies the common name by which they are known in the market eg. (Akoya);
  • Number of beads: States how many pearls make the jewel (be it a jewel or necklace);
  • Cultivation environment: it indicates if it is cultivated in fresh or salt water;
  • Origin: refers to the geographical area in which they were produced;
  • Oyster: the scientific name of oyster eg. (Pinctada Maxima);
  • Shape: indicates the shape of the Pearl;
  • Body color: refers to the base color of the body eg. (white);
  • Hypertone: can be seen as a form of luster or a set of colour/s secondary/s visible on the surface;
  • Orientation: It is the optical effect that makes the pearl surface translucent , rich in multicolored hues and characterized by a well-defined point of light, called “shining” or “splendour”, when the Pearl is observed in the shade. It is produced from the collection of optical interference and diffraction effects.
  • Luster: indicates the degree of light es. (excellent);
  • Surface characteristics: refers to the natural features found on the surface of the Pearl ex. (small signs barely visible to o.n.)
  • Quality of nacre: indicates the quality of the thickness of motherpearl (nacre) where it came out of. This is a core or the overall nacre like some of freshwater pearls, Keshi or natural;
  • General appearance: refers to the uniformity of composition of a necklace (nacre thickness, luster, surface aspects, color and diameter);
  • Classification: is the parameter under which it classifies a pearl in the context of their own group. ES. Akoya pearls (Hana checkers) or Pearl South Pacific (A/B);
  • Weight: the weight can be expressed in different units, grams, carats or momme. The Momme is an ancient Japanese measurement unit which is still used to measure the mass of cultured pearls. 1 momme = 3.75 grams = 18.75 carats;
  • Length: indicates length for necklace.
  • Drilling: indicates whether a Pearl is pierced and possibly has a through hole or in half.
  • Closing: refers to the metal used to make the closing.
  • Comments: any comments assessors eg. (GEM);
  • Treatments: es color treatments. (grey color obtained by Gamma Rays)

The certificate therefore serves to protect consumers as it is the unique certificate for precise pearl or gem with pearls, and cannot change the value but validate the authenticity.

Adriano Genisi is graduated from the GIA, one of the renowned international laboratories for analysis. GIA (Gemologic Institute of America) was the first laboratory to arise in the world.

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