Rock Crystal, Aquamarine, Opal, Pearl and Diamond Brooch, Austrian

Of buckle design, set with an emerald-cut aquamarine measuring approximately 18.8 x 14.8 x 9.8 mm, framed by old European-cut diamonds, with four triangular buff-top opals and a pair of button-shaped pearls measuring approximately 5.0 mm each, within a polished rock crystal frame highlighted with black enamel, with Austrian assay marks and partial workshop mark; circa 1940.

In fair to good condition, other than significant damage, loss and repair to the black enamelling. Stamped 750 for 18 karat white gold. Partial workshop mark. Austrian assay mark, Vienna, in use from 1938 - 2001. The aquamarine estimated to weigh approximately 19.00 carats, is light medium very slightly greenish blue color, eye-clean. The opals are rather translucent, almost like jelly opals and do not exhibit crazing. The old European-cut diamonds weigh approximately 6.30 carats and are approximately G-I color, VS-I clarity. The slightly ovoid-shaped pearls measure 5.0 to 5.2 mm and are a creamy golden body color, with minute blemishing and good luster. Please note that the pearls have not been tested for natural origin. Dimension approximately 1½ x 3¾ inches.
In response to your inquiry, we are pleased to provide you with a general report of the condition of the property described above. Since we are not professional conservators or restorers, we urge you to consult with a restorer or conservator of your choice who will be better able to provide a detailed, professional report. 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. Illustrations in the catalogue may not be actual size. Prospective purchasers are reminded that, unless the catalogue description specifically states that a stone is natural, we have assumed that some form of treatment may have been used and that such treatment may not be permanent. Our presale estimates reflect this assumption.Certificates of Authenticity: Various manufacturers may not issue certificates of authenticity upon request. Sotheby's is not under an obligation to furnish the purchaser with a certificate of authenticity from the manufacturer at any time. Unless the requirements for a rescission of the sale under the Terms of Guarantee are satisfied, the failure of a manufacturer to issue a certificate will not constitute grounds to rescind the sale. Gemological Certificates and Reports: References in the catalogue descriptions to certificates or reports issued by gemological laboratories are provided only for the information of bidders, and Sotheby's does not guarantee and accepts no responsibility for the accuracy, terms or information contained in such certificates or reports. Please also note that laboratories may differ in their assessment of a gemstone (including its origin and presence, type and extent of treatments) and their certificates or reports may contain different results.NOTWITHSTANDING THIS REPORT OR ANY DISCUSSIONS CONCERNING CONDITION OF A LOT, ALL LOTS ARE OFFERED AND SOLD "AS IS" IN ACCORDANCE WITH THE CONDITIONS OF SALE PRINTED IN THE CATALOGUE.

Please note that the pearls have not been tested for natural origin.