Lot 1886
- 1886
Colour-Changing Star Sapphire and Diamond Ring
Estimate
450,000 - 550,000 HKD
bidding is closed
Description
- diamond, star sapphire, platinum
Simply set with a colour-changing star sapphire weighing 41.35 carats, flanked by clusters of marquise- and pear-shaped diamonds together weighing approximately 3.00 carats, mounted in platinum. Ring size: 6½
Condition
Colour and Clarity: According to GRS report, the colour-changing star sapphire is natural, of Ceylon origin, with no indication of thermal treatment. Please refer to the report for details. In our opinion, the colour-changing star sapphire show noticeable colour-change effect, from medium intense blue colour in daylight, to intense purple colour in incandescent light; with fine six-ray star upon spot lighting. Upon 10x loupe, there are some silks and fingerprint inclusions, not noticeable to naked eyes. Diamonds are about E to F colours, VS clarity.
Condition: Platinum ring mount, signs of normal wear to the shank, otherwise in very good condition.
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.
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 GRS report numbered GRS2014-018364, dated 7 January 2014, stating that the 41.35 carat colour-changing star sapphire is natural, of Sri Lankan origin, with no indication of thermal treatment, colour-changing from blue (daylight) to purple (incandescent light).