Important light pink diamond and diamond necklace

Suspending a detachable pendant set with two marquise diamonds, a brilliant-cut light pink diamond weighing 6.93 carats, two circular-cut diamonds, one weighing 34.78 carats, and a briolette diamond weighing 11.38 carats, from a graduated circular-cut diamond rivière with a step-cut diamond clasp, length approximately 555mm.

Stamped Pt 900 for platinum on rivière. 34.78 carat diamond shows nicks, chips and cavities; for further information on the 6.93 carat and 34.78 carat diamonds, please refer to GIA reports. Briolette diamond measuring approximately 14.50 x 9.94 x 8.20 mm, as gauged in mounting. Diamonds on rivière itself are estimated to weigh a total of approximately 60.00 carats, of various colours, the majority I - J colour, VS clarity, as gauged and graded in mounting. Clasp secure. Signs of normal wear to the metal consistent with use. In 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. 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."