ART DECO DIAMOND AND BLUE GEM RING, the octagonal bezel 18.4mm long, set with a central emerald cut blue gem 8mm long within a rose cut diamond set border, unmarked, size L, 3.7g Bidders must assume that diamonds and coloured gem stones (including ruby, emerald, sapphire, peridot, aquamarine) may have undergone a form of treatment unless otherwise stated. It should not be assumed that any diamond or coloured gem is untreated or is natural, unless accompanied by a gemmological laboratory certificate (which would be mentioned in the description). McTear’s will only describe gold/platinum/silver as such when a full UK standard set of hallmarks is present on the object. Other marks such as foreign import stamps will be noted in the description.
ART DECO DIAMOND AND BLUE GEM RING, the octagonal bezel 18.4mm long, set with a central emerald cut blue gem 8mm long within a rose cut diamond set border, unmarked, size L, 3.7g Bidders must assume that diamonds and coloured gem stones (including ruby, emerald, sapphire, peridot, aquamarine) may have undergone a form of treatment unless otherwise stated. It should not be assumed that any diamond or coloured gem is untreated or is natural, unless accompanied by a gemmological laboratory certificate (which would be mentioned in the description). McTear’s will only describe gold/platinum/silver as such when a full UK standard set of hallmarks is present on the object. Other marks such as foreign import stamps will be noted in the description.
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.jpg "Quelle: Christie's")
.jpg "Quelle: Christie's")
