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Lot 345. A Fine Platinum and 5.79 carats Golconda-Type Diamond Ring. Estimate $ 175,000-225,000. Lot sold $227,000. Photo Leslie Hindman Auctioneers

CHICAGO, IL.- The April 23 ­ 25 auctions at Leslie Hindman Auctioneers included a two-day Important Jewelry auction followed by Fine Silver Jewelry and Fine Timepieces. The auctions realized over three million in sales with international participation, especially online and in the room. The Important Jewelry sale featured sessions from top designers such as Tiffany & Co., Van Cleef & Arpels and Bulgari. Among designer highlights, Tiffany performed particularly well. Other items that were highly in demand included diamonds, of fancy shapes, and coral. 

Among top selling diamonds was a platinum marquise cut Golconda-type diamond ring that sold for $227,000 against an estimate of $175,000 ­ $225,000. Overall, results for diamonds showed renewed enthusiasm and strong prices realized, especially for fancy shapes. Diamond buyers participated globally, most of the top lots selling to national buyers participating in the saleroom and via absentee bids. 

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Lot 345. A Fine Platinum and 5.79 carats Golconda-Type Diamond Ring. Estimate $175,000-225,000. Lot sold $227,000. Photo Leslie Hindman Auctioneers

one marquise shape brilliant cut diamond weighing approximately 5.79 carats and two triangular step cut diamonds weighing approximately 2.30 carats total. Stamp: IRID PLAT. 

Accompanied by a Gemological Institute of America diamond grading certificate number 2161164340, dated May 30, 2014, stating Color: E, Clarity: VVS2 with a note that the clarity may be improved, Polish: Good, Symmetry: Very Good, Fluorescence: None. 

Accompanied by a Gemological Institute of America diamond type analysis report stating that the 5.79 carat diamond has been found to be Type IIa. Type IIa diamonds comprise less than 2% of all gem diamonds and are highly prized for their purity due to their lack of nitrogen, the coloring agent which causes a yellow hue in diamonds, and their optical characteristics, often attaining the highest levels of clarity. 

Examples include a 13.21 carat round brilliant cut diamond, an 18 karat white gold and diamond solitaire ring and a platinum, yellow gold, fancy yellow diamond and diamond ring. They sold for $131,000, $65,525 and $52,500, respectively. 

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Lot 209. A 13.21 Carat Round Brilliant Cut Diamond. Estimate $100,000-120,000. Lot sold $131,000. Photo Leslie Hindman Auctioneers

measuring approximately 15.75 x 15.64 x 8.85 mm, together with a platinum ring setting containing two baguette cut diamonds weighing approximately 0.66 carat total. Stamp: PLAT. 

Accompanied by a Gemological Institute of America diamond grading certificate number 2175592957, dated April 21, 2016, stating Color: O-P range, Clarity: VS1, Cut: Very Good, Polish: Good, Symmetry: Very Good, Fluorescence: Faint. 

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Lot 447. An 18 Karat White Gold and 8.30 carats Diamond Solitaire Ring. Estimate $70,000-90,000. Lot sold $65,625. Photo Leslie Hindman Auctioneers

containing one radiant cut diamond weighing approximately 8.30 carats. Stamp: 18K. 

Accompanied by a Gemological Institute of America diamond grading certificate number 5181111105, dated January 12, 2017, stating Color: F, Clarity: SI2, Polish: Very Good, Symmetry: Very Good, Fluorescence: Strong Blue. 

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Lot 276. A Platinum, Yellow Gold, 5.73 carats Fancy Yellow Diamond and Diamond Ring. Estimate $30,000-50,000. Lot sold $65,625. Photo Leslie Hindman Auctioneers

containing one oval mixed cut fancy yellow diamond weighing approximately 5.73 carats and two triangular brilliant cut diamonds weighing approximately 1.28 carats total. Stamp: Pt 750. 

Accompanied by a Gemological Institute of America colored diamond grading certificate number 11544344, dated January 20, 2017, stating Color: Natural Fancy Yellow, Even, Clarity: VS2, Polish: Very Good, Symmetry: Good, Fluorescence: None. 

The sale had a session of Tiffany & Co. that proved strong in the market. A green gold, emerald and pearl pendant/brooch by Paulding Farnham for Tiffany & Co. sold for $21,250, well above its $5,000 ­ 7,000 estimate. This particular brooch had never been offered for sale. Alongside the rarity of its design, it drew competitive bidding both in the room and by phone bidders. Another Tiffany example is a platinum, 18 karat yellow gold and diamond articulated flower brooch by Jean Schlumberger for Tiffany that sold for $20,000 (estimated at $8,000 ­ $12,000). The strong price realized reflects the strength of mid-century signed jewels and is an example of the desire for iconic periods from known designers. 

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Lot 13. A Green Gold, Emerald and Pearl Pendant-Brooch, Paulding Farnham for Tiffany & Co., Circa 1895. Estimate $5,000-7,000. Lot sold $21,250. Photo Leslie Hindman Auctioneers

In a realistic foliate motif depicting four petals, composed of green gold atop a rose gold base, containing numerous modified step cut emeralds, one petal surmounted with a pearl (origin not tested) measuring approximately 6.60 mm in diameter set within claw prongs, engraved stem, collapsible hinged bail, the brooch measuring approximately 44.00 x 42.00 mm. Stamp: TIFFANY&CO. 

Provenance: Loring, John Paulding Farnham: Tiffany's Lost Genius. Harry N. Abrams, 2000. 
See pgs. 34-35 for flower brooches of this era. 
See pg. 44 for an emerald beetle brooch mounted in green gold. 

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Lot 152. An Important Platinum, 18 Karat Yellow Gold and Diamond Articulated Flower Brooch, Schlumberger for Tiffany & Co., France. Estimate $8000-12000. Sold for $20,000Photo Leslie Hindman Auctioneers

consisting of five articulated hinged and poseable platinum petals over yellow gold bases with crenulated edges, the petals surrounding a central high dome stamen, the petals and stamen pave set with numerous round brilliant cut diamonds weighing approximately 14.35 carats total. Stamp: TIFFANY SCHLUMBERGER MADE IN FRANCE (French assay and maker's marks). The brooch measures approximately 55.00 x 52.00 mm.

Van Cleef & Arpels also outperformed expectations. A platinum and diamond snowflake bandeau ring sold at $27,500, above its $10,000 ­ $15,000 estimate. While an 18 karat yellow gold, turquoise and diamond Van Cleef & Arpels brooch sold for $20,000 (estimated at $8,000 ­ $12,000). 

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Lot 429. A Platinum and Diamond Snowflake Bandeau Ring, Van Cleef & Arpels. Estimate $10000-15000. Sold for $27,500Photo Leslie Hindman Auctioneers

in an openwork design containing 116 round brilliant cut diamonds weighing approximately 5.66 carats total. Stamp: Van Cleef & Arpels (maker's mark) VCA Pt 950 53 ML3177. 
Accompanied by a case signed Van Cleef & Arpels. 

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Lot 136. An 18 Karat Yellow Gold, Turquoise and Diamond Brooch, Van Cleef and Arpels, Circa 1960. Estimate $8000-12000. Sold for $20,000Photo Leslie Hindman Auctioneers

made on special order in a flower motif with twisted rope texture wirework, containing a central oval cabochon cut turquoise measuring approximately 20.23 x 15.24 mm within a surround of 11 oval cabochon cut turquoise measuring from approximately 8.90 x 6.30 mm up to 12.20 x 10.15 mm, the outer border containing numerous round and oval cabochon cut turquoise, together with 22 round brilliant cut diamonds weighing approximately 1.00 carat total, the brooch measuring 64.00 x 57.00 mm. 
Hand inscribed: Van Cleef & Arpels N.Y. 130 S.O. 

Coral proved popular among collectors, showing an all time high for demand. Of the finest color were platinum, diamond and coral pendant earclips that sold for $18,750 against an estimate of $3,000 ­$5,000. Another example of coral that drew competitive bidding was a Schlumberger for Tiffany & Co. fine platinum, 18 karat yellow gold, diamond and coral torsade that sold for $13,750. 

 

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Lot 119. A Fine Pair of Platinum, Diamond and Coral Pendant Earclips. Estimate $3000-5000. Sold for $18,750Photo Leslie Hindman Auctioneers

consisting of two button shape deep orangy red coral cabochons measuring approximately 13.70 mm in diameter and two deep orangy red coral drops measuring approximately 28.00 x 15.90 x 13.80 mm, the coral suspended within hinged platinum sections containing numerous round brilliant and single cut diamonds weighing approximately 0.78 carats total, articulated white gold clip backs. 
Stamp: PLATIN. 

Accompanied by a Gemological Institute of America coral identification certificate number 5181040260, dated December 7, 2016, stating Species: Coral, Color: Orangy Red, Treatment: No indications of Dye (all four stones were tested)

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Lot 149. A Fine Platinum, 18 Karat Yellow Gold, Diamond and Coral Torsade, Schlumberger for Tiffany & Co., France.  Estimate $8000-12000. Sold for $13,750Photo Leslie Hindman Auctioneers

consisting of 23 strands of orange red coral beads measuring approximately 3.30 mm in diameter strung with a platinum and yellow gold clasp containing 134 round brilliant cut diamonds weighing approximately 5.22 carats total. Stamp: TIFFANY SCHLUMBERGER MADE IN FRANCE (scratchmark). 

Following the Important Jewelry sale was a Fine Timepieces sale on the evening of April 25. Drawing the most significant attention was the Paul Newman Daytona Cosmograph Wristwatch. Consigned as an individual item by a private collector, the Daytona had never been polished and was offered with its original box and papers. Bidding for the timepiece drew international attention, mostly from bidder participating by phone from Hong Kong, London and across the United States. It sold to a private buyer in the U.S. for $161,000 against a presale estimate of $65,000 ­ 85,000. 

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Lot 60. A Rare Stainless Steel Ref. 6239/6262 Paul Newman Daytona Cosmograph Wristwatch, Rolex, Circa 1968. Estimate $65000-85000. Sold for $161,000 to a U.S. private buyer. Photo Leslie Hindman Auctioneers

36.00 mm case diameter, bicolor ivory dial signed ROLEX COSMOGRAPH DAYTONA, silvered block numerals, silvered luminous baton hands with center chronograph seconds hand, black subdials at 3, 6 and 9 o'clock for chronograph minutes, chronograph hours and small seconds respectively, subdials with characteristic "exotic" crosshairs detail, engraved tachometer bezel calibrated to 200 units, brushed and polished case, screw down crown with embossed Rolex emblem, screw on case back, Cal. 727 manual wind 17 jewel movement with three adjustments signed ROLEX, flexible steel Oyster link bracelet, deployant clasp. Inner case back stamp: 6239. Serial Number: 2529010. 

Accompanied by an original Rolex case, booklet and certificate of authenticity.