Important sapphire and diamond demi-parure

Comprising: a necklace composed of step-cut sapphires within frames of brilliant-cut diamonds, alternating with diamond cluster links, the front highlighted with pear-shaped sapphire and brilliant-cut diamond pendants, length approximately 470mm, French assay marks; and a pair of ear clips, each surmount of cluster design set with brilliant-cut diamonds, suspending a pear-shaped sapphire stated to weigh 9.22 and 9.84 carats respectively, within a frame of brilliant-cut diamonds, French assay mark. 

Accompanied by SSEF report no. 84958, stating that four sapphires are of Burmese origin, six are of Ceylon origin, and six are of basaltic deposit, twelve with no indications of heating and four with indications of heating. Necklace: French assay marks and stamped 750 for 18 carat gold. Inscribed BR 71.81, referring to the total carat weight of the brilliant-cut diamonds, on average G-H colour, VS clarity, as graded in the mount. Inscribed with the carat weight of each sapphire on the back: 4.43 (step-cut), 3.96 (step), 3.19 (step), 5.73 (step), 4.18 (pear-shaped), 6.29 (step), 10.90 (pear), 10.0 (step), 9.73 (pear), 12.47 (step), 13.89 (pear), 5.35 (step), 9.00 (pear), 6.38 (step), 4.25 (step) and 4.10 (step). Sapphires well matched in colour, blue of strong saturation, with typical inclusions, some surface reaching; for further details on the sapphires, please refer to the gemmological report. Ear clips: French assay marks and stamped 750 for 18 carat gold. One ear clip stamped S 9.22, referring to the carat weight of the sapphire, and B 8.32, referring to the total carat weight of the diamonds; the other ear clip inscribed S 9.84, referring to the carat weight of the sapphire. Sapphires well matched in colour, blue of strong saturation, with typical surface reaching inclusions. Diamonds on average G-H colour, VS-SI clarity, as gauged and graded in the mount. Little signs of wear top the metal. In very good condition. Total gross weight approximately 23 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."