Shape

Shape

The pearl’s shape determines its value. Pearl shapes can be divided into differents main groups:

Following are the groups in order of value:

 

  • Round: perfect or almost-perfect spheres with a diameter-variation rate lower than 2%.  Round pearls are highly prized but rare, thus the most sought-after pearls.

  • Semi-round: slightly deformed spheres with a diameter-variation rate of between 2% and 5%.

  • Semi-baroques:  pearls exhibiting at least one axis of rotation. They are divided into several families:

  • Drops: semi-baroques of ovoid form.

  • Buttons: semi-baroques with at least one flat face.

  • Oval Shapes: semi-baroques elliptical in shape with an axis of revolution and a perpendicular symmetry plane.

  • Pear Shapes

  • Baroques:  irregular shapes without any axis of revolution. They inspire the creation of original jewelry.

  • Circled: pearls characterized by one or more concentric circles.
     

The round pearl has always been considered as the most expensive and the most recognized pearl shape.

Choosing a pearl that is less round in shape offers a good compromise when it comes to buying a less expensive pearl.

The Different Criteria for Pearl Valuation 

The Different Criteria for Pearl Valuation 

Tahitian Pearls are the pearly concretions secreted inside oysters. The trade description, Tahiti Cultured Pearl, is exclusively reserved for pearls produced by a graft of the black-lipped Pinctada Margaritifera oyster of the Cumingui variety. They possess a continuous pearly layer that does not reveal its nucleus, even through transparency.

Pearls are characterized by a diversity of shapes: 

 

  • sizes 

  • surface quality

  • luster

  • several shades of natural colors.

AUTHENTICITY

We guarantee the authenticity of each pearl jewel with a Certificate of Expertise

We guarantee the authenticity of each pearl jewel with a "Certificate of Origin and Authenticity and valuation"

SIBANI PEARLS

PO Box 1634, 98713 Papeete

French Polynesia

Tel +689 40 67 75 75

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