Sapphire and diamond demi-parure and ring

The demi-parure comprising: a brooch, of cluster design, set with circular-cut sapphires and similarly cut and baguette diamonds; a bracelet, length approximately 175mm; and a ring, size L^1/2; and a ring, set with circular-cut sapphires and single cut diamonds, size I, part illustrated.  

Comprising: a brooch, stamped 750 for 18 carat gold. Maker's mark. Sapphires medium to dark blue, typical inclusions visible under magnification, abrasions to facet edges and small chips and nicks to facet edges, total diamond weight approximately 9.00-11.00 carats, estimated colour G-I, estimated clarity VS-SI on average, some stones I/included, secure clasp; a bracelet, sapphires of dark blue, typical inclusions visible under magnification, abrasions to facet edges, total diamond weight approximately 3.00-5.00 carats, diamonds bright and lively, one diamond link missing, in need of jeweller's attention, secure clasp and security clasp; a ring, stamped K18 for 18 carat gold, maker's mark, sapphires medium to dark blue, typical inclusions visible under magnification, abrasion to facet edges, diamonds bright and lively; and a ring, sapphires medium to dark blue, typical inclusions visible under magnification, abrasion to facet edges, diamonds bright and lively, metal tarnished. Each piece with scratches to metal consistent with wear. Each 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."