J.E. Caldwell

Lot 286. Highly Important Platinum, 9.57 carats Kashmir Sapphire and Diamond Ring, J.E. Caldwell. Estimate 500,000 — 700,000 USD. Photo: Sotheby's. Centering a cushion-cut sapphire weighing 9.57 carats, flanked by two kite-shaped diamonds weighing approximately .50 carat, size 4, signed JEC & Co, numbered R5954 Accompanied by AGL report no. CS 1073197 stating that the sapphire is of Kashmir origin, with no indications of heating. Accompanied by Gübelin report no. 16030065 stating that the... [Lire la suite]

An art deco sapphire and diamond clip, by J.E. Caldwell, circa 1930. Photo Bonhams. The geometric plaque of pierced design, set throughout with cabochon sapphires and old brilliant, square and baguette-cut diamonds, diamonds approximately 9.00 carats total, signed JEC & Co., numbered, width 4.7cm. Estimate HK$ 90,000 - 120,000 (€8,400 - 11,000) Bonhams. FINE JEWELLERY AND JADEITE. Hong Kong, Admiralty, 21 May 2014 - http://www.bonhams.com/

Platinum, Fancy Brown-Yellow Diamond and Diamond Ring, J.E. Caldwell - photo Sotheby's Centered by a pear-shaped Fancy Brown-Yellow diamond weighing 6.03 carats, flanked by two tapered baguette diamonds weighing approximately .45 carat,size 6¼, signed J.E.C. & Co., numbered W8201, 1964. Estimation: 25,000 - 35,000 USD Accompanied by GIA report no. 2145933542 stating that the diamond is Fancy Brown-Yellow, Natural Color, VS1 clarity Sotheby's. Important Jewels. New York | 07 févr. 2013 www.sothebys.com

Platinum, Ruby and Diamond Ring, J.E. Caldwell - photo Sotheby's 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. Estimation: 150,000 - 200,000 USD Accompanied by AGL report no. CS 46483 stating that the ruby is of Burmese origin, with no indications of heating. Sotheby's. Important Jewels. New York | 07 févr.... [Lire la suite]

Platinum And Diamond Ring, J.E. Caldwell. Photo Sotheby's Centered by an emerald-cut diamond weighing 20.37 carats, flanked by two tapered baguette diamonds weighing approximately 1.50 carats, size 5½, signed J.E.C. & Co., numbered V470. Estimation: 300,000 - 400,000 USD  NOTE DE CATALOGUE: Accompanied by GIA report no. 2145647777 stating that the diamond is L color, VVS2 clarity. Sotheby's. Important Jewels. New York | 20 sept. 2012 www.sothebys.com

J.E. Caldwell. Art Deco Carved Sapphire Diamond Ring, United States. Circa 1925.. Photo by Berganza Carved sapphire and diamond ring by J. E. Caldwell, American, circa 1925. A platinum ring set with one central carved leaf-form sapphire in a claw setting with an approximate weight of 10.00 carats, flanked on one side with two rectangular baguette cut diamonds in millegrain collet settings with an approximate total weight of 0.12 carats, the remainder of the asymmetrical bezel and shoulders set with twenty one round... [Lire la suite]

  Platinum, 18 Karat Gold, Emerald And Diamond Pendant-Brooch/Necklace Combination. Photo Sotheby's The pendant set with a square emerald-cut emerald weighing 49.21 carats, framed by pear-shaped and round diamonds weighing approximately 13.50 carats, suspended from a necklace half set with round diamonds weighing approximately 16.25 carats, and half set with pear-shaped diamonds weighing approximately 18.00 carats, length 15½ inches, pendant detachable and can be worn as a brooch. ESTIMATE 150,000-200,000 USD. Lot Sold:... [Lire la suite]

Pair of Platinum, Sapphire and Diamond Earclips. photo courtesy Sotheby's Designed as flowerheads set in the center with cushion-shaped sapphires weighing approximately 1.80 and 1.65 carats, the petals set with round diamonds weighing approximately 7.70 carats. Estimate 5,000—7,000 USD. Lot Sold 16,250 USD Gold, Diamond and Colored Stone Flower Brooch and Earclips. photo courtesy Sotheby's The brooch and earclips set with cabochon sapphires, rubies and emeralds, set in the centers with round diamonds weighing a total... [Lire la suite]

The unmounted pear-shaped diamond weighing 62.30 carats. photo Image 2009 Christie's Ltd Christie’s is honoured to announce the sale of a perfect 62.30 carat D colour, Flawless, pear-shaped diamond which will lead the auction of magnificent jewels in Geneva on November 18. An extraordinary gem of excellent polish and symmetry, this diamond exemplifies the best criteria of the 4 C’s: Colour, Clarity, Cut and Carat. It is one of the most important D colour Flawless diamonds to be offered at auction in many years (estimate on... [Lire la suite]

Diamond ring. photo Sotheby's The pear-shaped diamond weighing 29.53 carats, 2 heart-shaped diamonds weighing 1.35 and 1.51 carats, mounted in platinum, size 5.- Est. 1,800,000—2,200,000 USD  - Sold 3,498,500 USD NOTE: Accompanied by GIA report no. 1102964356 stating that the diamond is D color, Internally Flawless; with an original working diagram stating that the stone may be potentially flawless. Together with a letter from the GIA stating that the diamond has been determined to be a type IIa. As the letter from... [Lire la suite]