Magnificent and truly exceptional fancy vivid yellow diamond ring

The marquise-shaped fancy vivid yellow diamond weighing 20.80 carats, claw-set between shoulders embellished with single-cut diamonds, size 47.

Stamped Pt 950 for platinum. Accompanied by GIA report, stating that the diamond, measuring 23.50 x 14.90 x 9.50 mm and weighing 20.80 carat, is Fancy Vivid Yellow, Natural Colour, VS1 Clarity, no fluorescence; for further information on the diamond please refer to the report. Side diamonds bright and lively. Signs of normal wear to the mounting, scratches consistent with wear; evidence of resizing. In good condition. Gross weight approximately 9 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."

This stone is truly magnificent in that it is an unmodified marquise-shaped diamond cut in the early part of the 20^th century, showing phenomenal colour with extraordinary saturation throughout the stone.