Fancy deep yellow-brown diamond ring

The step-cut fancy deep yellow-brown diamond weighing 25.27 carats, set between near colourless triangular diamond shoulders, size 48.

Accompanied by GIA report no. 2175041418, stating that the diamond weighing 25.27 carats, measuring 19.81 x 15.04 x 9.21mm, is Fancy Deep Yellow-Brown, Natural Colour, VS1 Clarity. Stamped 750 for 18 carat gold. For further information on the Fancy Deep Yellow-Brown diamond, please refer to the GIA report. Side diamonds weighing a total of approximately 3.20 carats, G - H colour, VS clarity, as gauged and graded in the mounting. Signs of wear to the metal consistent with use. In good condition. Gross weight approximately 12 grams.
"In response to your inquiry, we are pleased to provide you with a general report of the condition of the property described above. Please note that colour, clarity and weight of gemstones are statements of opinion only and not statements of fact by Sotheby's. We do not guarantee, and are not responsible for any certificate from a gemological laboratory that may accompany the property. We do not guarantee that watches are in working order. 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. Prospective buyers should also refer to refer to any Important Notices regarding this sale, which are printed in the Sale Catalogue, in particular to the Notice regarding the treatment and condition of gemstones and to the Notice regarding import of Burmese jadeite and rubies into the US.
NOTWITHSTANDING THIS REPORT OR ANY DISCUSSIONS CONCERNING A LOT, ALL LOTS ARE OFFERED AND SOLD "AS IS" IN ACCORDANCE WITH THE CONDITIONS OF BUSINESS PRINTED IN THE SALE CATALOGUE."