Fancy Intense Yellow diamond and diamond necklace

Designed as a series of stylised flower head clusters set with marquise- and pear-shaped and brilliant-cut diamonds, enhanced at the front with five fancy intense yellow cut-cornered square modified brilliant-cut diamonds weighing 1.04, 1.06, 2.62, 2.81 and 6.31 carats, mounted in white and yellow gold, length approximately 390mm, pendant loop.

Stamped 750 for gold. For further information on the diamonds of yellow colour, please refer to the GIA reports. Near colourless diamonds estimated to weigh approximately 35.00 - 40.00 carats, G-I colour on average (a few slightly lower in colour), VS-SI clarity. Signs of little wear to the metal. 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."