Diamond brooch, Marzo, circa 1910

Of oval open work design millegrain-set to a centre with a circular-cut diamond, within a frame accented with similarly cut diamonds, signed Marzo, Paris, French assay marks.

Signed Marzo Paris, brooch with French assay mark for platinum, pin with French assay mark for 18 carat gold. Central diamond measuring approximately 9.89 x 9.95 x 6.40mm and calculated to weigh approximately 3.84 carats. In our experts' opinion, it is of J-K colour and SI clarity, as gauged and graded in the mounting. Of the remaining diamonds, the total estimated weight is approximately 4.00-5.00 carats, on average H-J colour and SI-I clarity, as gauged and graded in the mounting. Signs of little wear to the metal, consistent with age. In very 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."