28 avril 2018

SANDRA CRONAN LTD at Masterpiece London Art Fair, 28 june - 04 july 2018

A pair of Egyptian Revival earrings of circular design, English, circa 1885. © 2018 Masterpiece London Ltd featuring a central sphynx in relief, bordered by coloured enamel heiroglyphics.  An aquamarine and white opal dress of asymmetric design clip by Yard, American, circa 1933. © 2018 Masterpiece London Ltd  Four tapered silvers of opal are set into two diagonally opposing corners with two rows of diamond running up each side of the emerald cut aquamarine. Mounted in platinum.  Art Deco... [Lire la suite]

11 avril 2018

Emerald and Diamond Ring, Oscar Heyman & Brothers

Lot 116. Colombian Emerald weighing 45.94 carats and Diamond Ring, Oscar Heyman & Brothers. Estimate 800,000 — 1,200,000 USD. © Sotheby’s Set with a square emerald-cut emerald weighing 45.94 carats, accented by two modified triangular brilliant-cut diamonds weighing 1.54 and 1.52 carats, further highlighted by baguette diamonds, size 6½, with maker's mark for Oscar Heyman & Brothers, numbered 302847. Accompanied by AGL report no. 1090729 stating that the emerald is of Colombian... [Lire la suite]
30 juin 2017

Sandra Cronan Ltd at Masterpiece London 2017

Raymond Yard. An aquamarine and white opal dress of asymmetric design clip by Yard. Four tapered silvers of opal are set into two diagonally opposing corners with two rows of diamond running up each side of the emerald cut aquamarine. Mounted in platinum. American, circa 1933. Sandra Cronan Ltd, Stand D 15 © 2017 MASTERPIECE LONDON LTD A pair of Egyptian Revival earrings of circular design, featuring a central sphynx in relief, bordered by coloured enamel heiroglyphics. English, circa 1885. Sandra Cronan Ltd,... [Lire la suite]
09 décembre 2016

An impressive 26.16 carats rectangular-cut diamond ring, by Oscar Heyman & Brothers

Lot 60. An impressive 26.16 carats rectangular-cut diamond ring, by Oscar Heyman & Brothers. Estimate USD 550,000 - USD 750,000. Price Realised USD 727,500 © Christie's Images Ltd 2016. Set with a rectangular-cut diamond, weighing approximately 26.16 carats, with graduated baguette-cut diamond shoulders, ring size 6 1/4, mounted in platinum. With maker's mark for Oscar Heyman & Brothers  Accompanied by report no. 5172769656 dated 28 July 2016 from the GIA Gemological... [Lire la suite]
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31 mai 2016

An unusual pair of carved jadeite archaic bell and pear-shaped diamond trefoil ear pendants, by Oscar Heyman & Brothers

Lot 2041. An unusual pair of carved jadeite archaic bell and pear-shaped diamond trefoil ear pendants, by Oscar Heyman & Brothers. Estimate HK$3,800,000 - HK$5,800,000 ($480,000-750,000). Price Realized HK$5,080,000 ($657,032). Photo Christie's Image Ltd 2016. Each suspending a carved jadeite archaic bell, suspended from a pear-shaped diamond trefoil surmount with gold wire details, linked by a marquise-cut yellow diamond, mounted in platinum and gold, largest plaque approximately 26.3 x 19.0 x 4.9 mm, ear pendants... [Lire la suite]
27 décembre 2010

Ruby Jewelry from the Estate of William B. Dietrich Sold to Benefit the William B. Dietrich Foundation, 09 Dec 10, New York

Pair of 18 Karat Gold, Platinum, Mystery-Set Ruby and Diamond Leaf Earclips, Van Cleef & Arpels, France, 1966. photo Sotheby's The leaves mystery-set with calibré-cut rubies, the central stem set with baguette diamonds, signed Van Cleef & Arpels, numbered 17606, workshop mark, French assay marks. Est. 60,000—80,000 USD. Lot Sold 170,500 USD PROVENANCE: The Magnificent Jewels of Mme. Helene Beaumont, Sotheby's Geneva, May 18, 1994, lot 504. Platinum, 18 Karat Gold, Ruby and Diamond Ring. photo... [Lire la suite]
13 juin 2010

Emerald jewelry @ Christie's, New York Jewels, 15 June 2010, New York

An emerald and diamond necklace. Photo: Christie's Images Ltd 2010 Designed as a graduated series of cushion-cut emeralds, each within a circular-cut diamond surround, spaced by collet-set diamonds, to the circular-cut diamond clasp, mounted in platinum, 17 ins. Estimate $180,000 - $250,000 An emerald and diamond ring, by Van Cleef & Arpels. Photo: Christie's Images Ltd 2010 Set with a cut-cornered rectangular-cut emerald, weighing approximately 6.83 carats, within a circular-cut diamond surround, to the... [Lire la suite]