UNUSUAL AND FINE ALEXANDRITE AND FANCY VIVID YELLOW DIAMOND RING

Centring on an inverted cushion-shaped alexandrite weighing 10.35 carats, surrounded by fancy vivid yellow diamonds together weighing 2.08 carats, to shoulders set with circular-cut alexandrites and yellow diamonds, the alexandrites together weighing approximately 3.70 carats, mounted in 18 karat yellow gold. Ring size: 8¾

Colour and Clarity: According to the Gubelin report, the alexandrite is of Brazil origin, with pronounced colour change. Also accompanied by special appendix stating the rarity of the stone and pronounced colour change from bluish-green in daylight and reddish-purple in incandenscent light. Please refer to the report for details. In our opinion, the alexandrite is loupe-clean. The 14 GIA reports state that the surrounding diamonds are fancy vivid yellow colour. In our opinion, the fancy vivid yellow diamonds are of vivid saturated yellow colour, SI1 clarity. The smaller round yellow diamonds are of similar colour and clarity. The smaller alexandrites also show a pronounced colour change of bluish-green to reddish-purple. Alexandrites of over 10 carats are extremely rare. Condition: A unique ring of interesting design, in mint 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.

Accompanied by Gübelin report numbered 0404043, dated 14 April 2004, stating that the 10.35 carat alexandrite is natural, of Brazilian origin. Further accompanied by Gübelin appendix stating that it ''possesses a very high degree of transparency, combined with a very strong colour-change effect, from bluish-green when viewed in daylight to reddish-purple upon exposure to incandescent light... The combination of high clarity and pronounced colour-change effect in a Brazilian alexandrite of this size is rare.'' Also accompanied by fourteen GIA reports, stating that the diamonds ranging from 0.12 to 0.19 carat are natural, Fancy Vivid Yellow colour.