Diamond bracelet and a sapphire and diamond ring

The bracelet composed of oblong links of open work design set with circular- and single-cut diamonds, length approximately 195mm, French assay and partial maker's marks, the ring of fluted design, set with an oval sapphire between circular-cut diamonds shoulders, the mount further accented with similarly cut diamonds, size 54.

Bracelet with partial French maker's mark, stamped PT950 and French assay mark for platinum, clasp stamped OR for gold. Ring stamped PT950 for platinum. Sapphire measuring approximately 10.82 x 8.08 x 5.20mm, calculated to weigh approximately 3.66 carats, blue of very strong saturation, with heavily abraded facet edges, small nicks and chips. Diamonds estimated to weigh a total of approximately 8.00 - 10.00 carats, on average I-J colour, VS-SI clarity, as gauged and graded in the mount. Scratches to metal consistent with use. Total gross weight approximately 49 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.
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."