Spectacular and rare diamond ring, Graff

Set with a round brilliant diamond weighing 103.46 carats, size 53, signed Graff, numbered.

Accompanied by GIA report no. 16217323, stating that the diamond weighing 103.46 carats is N Colour, SI1 Clarity. Signed Graff, engraved 103.46 NSI1 referring to weight, colour and clarity of the diamond. Stamped Pt900 for platinum. For further information on the diamond, please refer to the report. Little signs of wear to the metal. In very good condition. Gross weight of mounting approximately 15 grams. Case stamped GRAFF LONDON.
"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."

One of the largest known round brilliant diamonds in the world, it appears in the list of 'The World's Largest Cut Diamonds', in the reference book by Ian Balfour, Famous Diamonds, published in 2008.