Lot 365
  • 365

Superb Platinum, Sapphire and Diamond Ring, Cartier, New York

Estimate
1,400,000 - 1,800,000 USD
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Description

  • platinum, sapphire, diamond
Set with a cushion-cut sapphire weighing 11.90 carats, accented by old European and single-cut diamonds, size 6, signed Cartier N.Y., numbered 1209; circa 1915.

Condition

In very good condition. The sapphire is a bright, richly saturated, deep blue and eye-clean. Some very minor nicks are visible to a few of the facet junctions under magnification. The diamonds are approximately G-I color, VS clarity. The mounting exhibits scratching and denting commensurate with age and wear. The shank is slightly thinned and the signature is on the outside (take care not to lose it if the ring is sized), The sapphire is a bit loose in the mounting, but it is stable. Accompanied by Gübelin report no. 14105196 stating that the sapphire is of Kashmir origin, with no indications of heating. Together with an appendix and information sheet explaining the rarity of Kashmir sapphires and unheated sapphires. The appendix states that, 'The natural sapphire of 11.90 ct described in the above mentioned Gübelin Gem Lap Report possesses a richly saturated and homogenous color, combined with a high degree of transparency, and a finely proportioned cut. In addition, this remarkable gemstone has been spared thermal treatment. Such a combination of characteristics is rare in natural Kashmir sapphires of this size.' Accompanied by AGL report no. CS 54879 stating that the sapphire is of Classic Kashmir origin, with no indications of heating. Together with a letter from the AGL describing the quality and rarity of this sapphire.
In response to your inquiry, we are pleased to provide you with a general report of the condition of the property described above. Since we are not professional conservators or restorers, we urge you to consult with a restorer or conservator of your choice who will be better able to provide a detailed, professional report. Prospective buyers should inspect each lot to satisfy themselves as to condition and must understand that any statement made by Sotheby's is merely a subjective qualified opinion. Illustrations in the catalogue may not be actual size. Prospective purchasers are reminded that, unless the catalogue description specifically states that a stone is natural, we have assumed that some form of treatment may have been used and that such treatment may not be permanent. Our presale estimates reflect this assumption.
NOTWITHSTANDING THIS REPORT OR ANY DISCUSSIONS CONCERNING CONDITION OF A LOT, ALL LOTS ARE OFFERED AND SOLD "AS IS" IN ACCORDANCE WITH THE CONDITIONS OF SALE PRINTED IN THE CATALOGUE.

Catalogue Note

Accompanied by Gübelin report no. 14105196 stating that the sapphire is of Kashmir origin, with no indications of heating. Together with an appendix and information sheet explaining the rarity of Kashmir sapphires and unheated sapphires. The appendix states that, 'The natural sapphire of 11.90 ct described in the above mentioned Gübelin Gem Lab Report possesses a richly saturated and homogenous color, combined with a high degree of transparency, and a finely proportioned cut. In addition, this remarkable gemstone has been spared thermal treatment. Such a combination of characteristics is rare in natural Kashmir sapphires of this size.'

Accompanied by AGL report no. CS 54879 stating that the sapphire is of Classic Kashmir origin, with no indications of heating. Together with a letter from the AGL describing the quality and rarity of this sapphire.