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Platinum, Carved Ruby, Diamond and Black Enamel Jabot, J.E. Caldwell & Co. Of stylised scroll motif, centring 2 oval carved rubies, set with 88 old European-cut and 12 baguette diamonds, signed J.E.C. & Co., circa 1925. #Caldwell #ArtDeco #jabot #brooch

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A Belle Époque sapphire, diamond and platinum-topped drop necklace, J.E. Caldwell & Co. Of foliate and ribbon motif centring an articulated oval-cut sapphire in a double articulated surround set with old single and full-cut diamonds, signed J.E.C. & Co. and numbered. #Caldwell #BelleEpoque #pendant

JEWELRY & WATCHES - SALE 1528 - LOT 25

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c.1930's J.E. Caldwell Emerald Diamond & Yellow Gold Clover Pendant

c.1930's J.E. Caldwell Emerald Diamond & Yellow Gold Clover Pendant | From a unique collection of vintage necklace enhancers at https://www.1stdibs.com/jewelry/necklaces/necklace-enhancers/

c.1930's J.E. Caldwell Emerald Diamond & Yellow Gold Clover Pendant | 1stdibs.com

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Diamonds in the Libraryfrom Diamonds in the Library

Ring roundup: more Art Deco engagement rings.

Ring roundup: more Art Deco engagement rings.

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Edwardian Black Opal, Diamond, Platinum, Gold Necklace, J.E. Caldwell & Co. The necklace features a pear-shaped black opal cabochon measuring 18.00 x 12.00 x 4.70 mm, set in gold, enhanced by European and full-cut diamonds weighing a total of approximately 0.45 carat, set in platinum, marked JEC & Co. for J.E. Caldwell & Co. Gross weight 6.38 grams. Pendant Dimensions: 1-5/8 inches x 11/16 inch Chain Length: 15 inches. Listed at Heritage Auctions, via Stonefinder.

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Art Deco Platinum, Sapphire, and Diamond Bracelet, J.E. Caldwell & Co., set with calibre-cut sapphires and full-cut diamond melee, bezel-set diamond baguette accents, approx. total diamond wt. 11.00 cts., lg. 7 3/8 in., no. N3689, signed. Via Skinner.

Art Deco Platinum, Sapphire, and Diamond Bracelet,... | Diamonds in the Library

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Art Deco Natural Fancy Blue Diamond, Diamond, Platinum Ring, | Lot #58439 | Heritage Auctions

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Art Deco Diamond, Sapphire, Platinum Ring, J. E. Caldwell The ring features a European-cut diamond measuring 7.25 x 7.23 x 4.27 mm and weighing approximately 1.30 carats, enhanced by French-cut sapphires weighing a total of approximately 0.10 carat, accented by European-cut diamonds weighing a total of approximately 0.50 carat, set in platinum, having a partial J. E. Caldwell signature

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A Coral, Diamond and Gold Bracelet, circa 1895. Set with a series of five graduated corals within conforming filigree frames with tiny old mine-cut diamonds, between connecting links of floral and acanthus leaf medallions, mounted in 18k gold, signed JEC & Co. for J.E. Caldwell & Co. and numbered D9637

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Platinum, Star Sapphire and Diamond Brooch, J.E. Caldwell, Circa 1910. Centered by a plum-colored star sapphire weighing approximately 45.00 carats, framed by 22 round diamonds weighing approximately 5.35 carats, signed JEC & Co., numbered _2089. Sotheby’s.

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A belle époque pearl and diamond sautoir, J.E. Caldwell, circa 1910, the woven seed pearl necklace centering a lozenge-shaped panel of old European-cut diamonds in a foliate motif suspending an asymmetrical pendant each with terminals of pear-shaped diamonds within diamond foliate borders; signed J.E.C. & Co, no. F3699; mounted in platinum; length: 18in. Via Bonhams.

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A Belle Epoque emerald, diamond, and seed pearl pendant/brooch, by J.E. Caldwell & Co. The pierced old European-cut diamond plaque, enhanced by alternating old European-cut diamond and calibré-cut emerald detail, to the seed pearl trim and central sugarloaf cabochon emerald, suspending a pendant of similar design, mounted in platinum, circa 1915, in a green leather case Signed J.E.C & Co., no. 31682 (indistinct). Christie’s.

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Suspending to the front with a tassel of twenty-four graduated seed pearl strands measuring approximately 2.20 to 4.40mm, supported by a seed pearl necklace, highlighted by circular-cut diamond-set floral links and clasps, the diamonds together weighing approximately 2.40 carats, mounted in platinum, length approximately 730mm, signed J.E.C. & Co. and numbered F4204, tassel detachable. Via Sotheby’s.

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Platinum and Diamond Ring, J.E. Caldwell. Centered by an old European-cut diamond weighing 2.83 carats, accented by rose and single-cut diamonds weighing approximately 1.00 carat, size 6¼, signed J.E.C & Co., numbered 115219, both the signature and number are partially obscured, two rose-cut diamonds missing, circa 1920. Sotheby’s.

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14 Karat Pink Gold, Platinum, Sapphire, Colored Diamond and Diamond Clip-Brooch, J.E. Caldwell, Circa 1945. Designed as a floral spray set with pear-shaped and round sapphires, round diamonds of yellow hue weighing approximately .60 carat, and near colorless round diamonds weighing approximately .35 carat, signed J.E. Caldwell.

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J.E. Caldwell Diamond BroochAuthentic Art Deco Black Onyx and Diamond Brooch, signed J.E. Caldwell. Circa early 1900s. Via 1stdibs.

J.E. Caldwell Diamond BroochAuthentic Art Deco... | Diamonds in the Library

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Platinum, Ruby and Diamond Ring, J.E. Caldwell. Centered by an octagonal-shaped ruby weighing 3.96 carats, flanked by six calibré-cut rubies weighing approximately .60 carat and two French-cut diamonds weighing approximately .40 carat, size 6¼, signed JEC & Co., circa 1950. With signed box. Via Sotheby’s.

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Detail: Edwardian seed pearl and diamond sautoir, J.E. Caldwell. Circa 1905. Via Diamonds in the Library.

Edwardian seed pearl and diamond sautoir, J.E. Caldwell. - Diamonds in the Library

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