BLACK OPAL, SAPPHIRE AND DEMANTOID BROOCH, TIFFANY & CO., DESIGNED BY LOUIS COMFORT TIFFANY | 黑色蛋白石配藍寶石及翠榴石別針,蒂芙尼
BLACK OPAL, SAPPHIRE AND DEMANTOID BROOCH, TIFFANY & CO., DESIGNED BY LOUIS COMFORT TIFFANY | 黑色蛋白石配藍寶石及翠榴石別針,蒂芙尼
BLACK OPAL, SAPPHIRE AND DEMANTOID BROOCH, TIFFANY & CO., DESIGNED BY LOUIS COMFORT TIFFANY | 黑色蛋白石配藍寶石及翠榴石別針,蒂芙尼
BLACK OPAL, SAPPHIRE AND DEMANTOID BROOCH, TIFFANY & CO., DESIGNED BY LOUIS COMFORT TIFFANY | 黑色蛋白石配藍寶石及翠榴石別針,蒂芙尼
BLACK OPAL, SAPPHIRE AND DEMANTOID BROOCH, TIFFANY & CO., DESIGNED BY LOUIS COMFORT TIFFANY | 黑色蛋白石配藍寶石及翠榴石別針,蒂芙尼
BLACK OPAL, SAPPHIRE AND DEMANTOID BROOCH, TIFFANY & CO., DESIGNED BY LOUIS COMFORT TIFFANY | 黑色蛋白石配藍寶石及翠榴石別針,蒂芙尼
411

Property From a Private Collection, Gold Coast, Long Island, New York

BLACK OPAL, SAPPHIRE AND DEMANTOID BROOCH, TIFFANY & CO., DESIGNED BY LOUIS COMFORT TIFFANY | 黑色蛋白石配藍寶石及翠榴石別針,蒂芙尼

Estimate: 25,000 - 35,000 USD

Property From a Private Collection, Gold Coast, Long Island, New York

BLACK OPAL, SAPPHIRE AND DEMANTOID BROOCH, TIFFANY & CO., DESIGNED BY LOUIS COMFORT TIFFANY | 黑色蛋白石配藍寶石及翠榴石別針,蒂芙尼

Estimate: 25,000 - 35,000 USD

Lot Details

Description

Property From a Private Collection, Gold Coast, Long Island, New York

BLACK OPAL, SAPPHIRE AND DEMANTOID BROOCH, TIFFANY & CO., DESIGNED BY LOUIS COMFORT TIFFANY

黑色蛋白石配藍寶石及翠榴石別針,蒂芙尼


Set with a shield-shaped black opal, suspending a drop-shaped black opal, embellished with round sapphires and demantoid garnets, and one oval-shaped demantoid garnet, the reverse side with filigree work, signed Tiffany & Co.; circa 1915-1933. With signed box.

Condition Report

In very good condition given the age of this piece, with tarnish and light scratches to the gold commensurate with age and wear. The mounting tests as 18 karat gold. The pin catch stamped 14K for 14 karat gold and was likely later added. Inscribed with scratch numbers 2497 below the signature. The opaque shield-shaped black opal measures approximately 15.0 x 22.1 x 44.8 mm insofar as the mounting permit; the translucent drop-shaped black opal measures approximately 16.4 x 10.3 x 7.7 mm insofar as the mounting permits. Minor crazing on the drop-shaped opal, visible under 10x magnification. Both opals with predominantly blue and green flashes. The sapphires are medium light blue, eye-clean to slightly included. The demantoid garnets are medium slightly yellowish green, with vivid saturation, slightly included, with some light abrasions to facet edges visible under 10x magnification. Length approximately 1¾ 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.

Cataloguing

Literature

For brooches of similar design, see Louis Comfort Tiffany at Tiffany & Co. by John Loring, pages 48-51.

For similar examples of black opal, sapphire and demantoid garnet jewelry by Louis Comfort Tiffany, see The Jewellery and Enamels of Louis Comfort Tiffany by Janet Zapata, page 125.

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