TOURMALINE, ENAMEL AND DIAMOND BROOCH, J.E.CALDWELL & CO., 1920s

Of annular open work design, centring on a stylised violet the petals of cabochon calibré-cut tourmaline, the stem decorated with green enamel and marquise-shaped diamond leaves, within a black enamelled lattice and frame millegrain-set with circular-cut diamonds, signed J.E.C & CO., fitted case J.E.Caldwell & Co, Philadelphia.

Mounted in platinum. Tourmaline medium pinkish purple, typical inclusions, liquid and tubular inclusions, visible to naked eye and under magnification. Diamonds estimated to weigh approximately 2.00 - 2.10 carats, bright, lively stones. Green enamel to stem with small losses. Safety catch to pin. In very good condition. Case opening and hinge in very poor condition, could benefit from attention by a professional.
"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."

James Emmott Caldwell, founded the firm in Philadelphia in 1839, it  became known as J.E. Caldwell & Co. in 1868.  It was well respected and known for its fine workmanship and exquisite examples of Art Nouveau and Art Deco pieces.  The company continued to produce well made jewels that followed the trends and styles of the 20th Century.  J.E. Caldwell & Co. finally closed its doors in 2009.