Two diamond bracelets, 1930s

One bracelet composed of four open work geometric rectangular plaques joined by rectangular links set with circular-, single-cut and rose diamonds, length approximately 175mm, Portuguese assay marks, and a bracelet of open work foliate and square links set with circular-, single-cut and rose diamonds, length approximately 165mm, Portuguese assay marks.

Larger bracelet stamped with Portuguese assay marks for platinum Lisbon, 1920-1937. Secure clasp with safety catch. Minor abrasions commensurate with age and wear. Diamonds bright and lively with mixed colours and clarities, estimates approximately I-K, SI on average. Smaller bracelet stamped with Portuguese assay marks for platinum post 1938. Secure clasp with safety chain. Minor abrasions commensurate with age and wear. Diamonds bright and lively with mixed colours and clarities, estimated approximately I-K, SI on average a few stones I/included.
"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."