「巴西」亞歷山大變色石配鑽石戒指

• 亞歷山大變色石共重約4.03卡拉
• 配鑽共重約1.14卡拉
• 鉑金鑲嵌
• 指環尺寸：6

Accompanied by Gübelin report numbered 1005124, stating that the 1.60 carat alexandrite is natural, of Brazilian origin. For further details, please refer to report. Stamped PT950 for platinum. The alexandrites display a distinct colour change effect from medium dark bluish green of strong saturation in daylight to medium dark purple colour of strong saturation in incandescent light. Alexandrites are generally eye-clean with minor typical inclusions visible only under the 10x loupe. Small alexandrites stated to weigh approximately 2.43 carats in total. Diamonds, stated to weigh approximately 1.14 carats in total, are on average F to G colour, mainly VS clarity. Metal overall 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.Certificates of Authenticity: Various manufacturers may not issue certificates of authenticity upon request. Sotheby's is not under an obligation to furnish the purchaser with a certificate of authenticity from the manufacturer at any time. Unless the requirements for a rescission of the sale under the Terms of Guarantee are satisfied, the failure of a manufacturer to issue a certificate will not constitute grounds to rescind the sale. Gemological Certificates and Reports: References in the catalogue descriptions to certificates or reports issued by gemological laboratories are provided only for the information of bidders, and Sotheby's does not guarantee and accepts no responsibility for the accuracy, terms or information contained in such certificates or reports. Please also note that laboratories may differ in their assessment of a gemstone (including its origin and presence, type and extent of treatments) and their certificates or reports may contain different results.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.

附瑞士Gübelin證書（編號1005124，日期2010年5月20日）指亞歷山大變色石重1.60卡拉，產地為巴西。