Attractive fancy coloured diamond brooch

Designed as a butterfly, the body set with a marquise-shaped fancy intense blue diamond weighing 0.74 carats and brilliant-cut diamonds of pink tint, the wings set with a pear-shaped fancy vivid yellow diamond weighing 1.52 carats, and a diamond of similar cut and tint weighing 1.51 carats, and two pear-shaped near colourless diamonds weighing 3.75 and 3.83 carats, each diamond framed by brilliant-cut diamonds of similar tints.

Accompanied by GIA report no. 11466951, stating that the diamond weighing 0.74 carat, measuring 8.92 x 4.96 x 2.97 mm, is Fancy Intense Blue, Natural Colour; report no. 12043435, stating the diamond weighing 1.52 carats, measuring 10.39 x 6.34 x 3.61 mm, is Fancy Vivid Yellow, Natural Colour; and report no. 12120015, stating that the diamond weighing 3.75 carats, measuring 14.33 x 9.11 x 4.77 mm, is D Colour, VS2 Clarity. Stamped 750 for 18 carat gold, mounted in two-tone gold. Please refer to the three GIA reports for further details on the three tested diamonds, the two untested diamonds are of similar colour and quality. Smaller diamonds bright and lively. Little signs of wear to the metal. In very good condition. Gross weight approximately 11 grams. Please note that the untested diamond of yellow tint and the small pinkish diamonds have not been tested for natural colour.
"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."