Lot 16

Appraisal :

80000/90000 €

Hammer price :

0 €
Oval modified brilliant cut paraiba tourmaline of 20,54 ct. Luminous greenish blue color. Nice shine due to a beautiful cut. One of the best quality of this gemstone is its transparency. Non-specified origin. 
GIA Report nr. 6392849377 daté, 10 August 2021. 
Gem Report Antwerp nr. 1830006178 AN, 25 February 2022. 
Dimensions : 19,67 x 14,64 x 10,61 mm. 
Munsell Book of Color : 
Primary hue : 7.5BG 7/8 et 7.5BG 7/6
Secundary hue : 7.5BG 8/4

Expert notes:
How subtle is the play of color in this wonderful paraiba tourmaline! We are here in the same level of hues, classified on the same page 7.5 Blue-Green of the Munsell Book of Color… That means that the color wanders, according to the position of the stone, in-between the different grades of saturation and density, all the while remaining in a harmony of tone. It is rare!

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