藍寶石配鑽石戒指, 格拉芙（Graff）

• 鑲1顆古墊形藍寶石，重15.04卡拉
• 兩側鑲心形鑽石
• 指環尺寸7
• 附部分Graff品牌刻名
• 附品牌盒子
*拍品資料以英文為主，中文翻譯僅供參考

In good condition. The shank has been resized and the Graff signature has largely been polished out, although one F can still be identified under close inspection, together with an inscription of the carat weight of the sapphire '15.04 cts.' The two heart-shaped diamonds, weighing a total of approximately 1.60 carats, are approximately E-F color, VVS clarity. The sapphire is a richly saturated medium-deep blue color, eye-clean. Accompanied by SSEF report no. 94563 and Gübelin report no. 17062020 stating that the sapphire is of Burmese origin, with no indications of heating. The SSEF report further stating that unheated sapphires of this quality are rare. The Gübelin report stating that the sapphire is 'royal blue'.
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SSEF證書，編號94563，及瑞士Gübelin證書，編號17062020，均指出藍寶石產地為緬甸，未經加熱處理。SSEF證書指出未經加熱處理之藍寶石的品質罕有。Gübelin證書指出藍寶石顏色屬「皇家藍」。