196
A DIAMOND DOME RING
la partie supérieure ornée de deux diamants taille ancienne d'un poids total d'environ 5,45 cts, accompagnés de la vérification Cisgem n. 20746 attestant la pureté VS1 et SI2, Type IIa
Poids environ 6,9 g, tour de doigt 54
Poids environ 6,9 g, tour de doigt 54
ESTIMATE € 9.000 - 11.000
Les diamants de type IIa sont les plus précieux et, par conséquent, sont des objets très collectionnables. Ils contiennent très peu ou pas d'atomes d'azote dans la structure cristalline des pierres. Les pierres blanches sont exceptionnellement incolores et les diamants de couleur fantaisie sont souvent trouvés avec un ton brun, violet ou rose. Ils ne représentent que 1% ; 2% de tous les diamants.
Type IIa diamonds are the most valuable and consequently are very collectable items. They contain either very little or no Nitrogen atoms in the crystal structure of the stones. White stones are exceptionally colorless and fancy colored diamonds are often found with a brown, purple, or pink tone. They represent only 1% ; 2% of all diamonds.
Type IIa diamonds are the most valuable and consequently are very collectable items. They contain either very little or no Nitrogen atoms in the crystal structure of the stones. White stones are exceptionally colorless and fancy colored diamonds are often found with a brown, purple, or pink tone. They represent only 1% ; 2% of all diamonds.
LOTS
86
A GOLD, SILVER AND DIAMOND SPRAY BROOCH AND A FLOWER PENDANT, 19TH CENTURY (2)
A GOLD, SILVER AND DIAMOND SPRAY BROOCH AND A FLOWER PENDANT, 19TH CENTURY (2)
ESTIMATE € 4.000 - 6.000
89
A GOLD, BAROQUE PEARL AND DIAMOND 'VINAIGRETTE' PENDANT BROOCH, 19TH CENTURY
A GOLD, BAROQUE PEARL AND DIAMOND 'VINAIGRETTE' PENDANT BROOCH, 19TH CENTURY
ESTIMATE € 800 - 1.000
94
A GOLD, ENAMEL, PEARL AND MOSS AGATE 'VINAIGRETTE' BOX, FRANCE, 19TH CENTURY
A GOLD, ENAMEL, PEARL AND MOSS AGATE 'VINAIGRETTE' BOX, FRANCE, 19TH CENTURY
ESTIMATE € 600 - 800
96
A GOLD, ENAMEL, RUBY AND DIAMOND ARTICULATED SNAKE BRACELET, TINY DEFECTS TO ENAMEL
A GOLD, ENAMEL, RUBY AND DIAMOND ARTICULATED SNAKE BRACELET, TINY DEFECTS TO ENAMEL
ESTIMATE € 1.200 - 1.500