18K白色黃金鑲變色藍寶石及鑽石戒指

· 中央主石為一顆重約13.02卡拉古墊形變色藍寶石
· 兩旁鑲有2顆經修改的梯形鑽石
· 尺寸為7½號

藍寶石變色的圖解分析請參看sothebys.com



*拍品資料以英文為主，中文翻譯僅供參考

In good condition. The sapphire with a moderate to strong color change from bluish violet in fluorescent light to reddish purple in incandescent light, eye-clean. The diamonds are approximately G-H color, VS clarity. Accompanied by GIA report no. 5151067922 stating that the sapphire is of Sri Lankan origin, with no indications of heating.
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.

附美國GIA證書（編號5151067922），指出藍寶石產地為斯里蘭卡，未經加熱處理。