188 lots

LOT 461

Important Jewelry & Rare and Exotic G... New York, Grand Havana Room, Apr 25, 2001
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Ostertag, FranceArt Deco Cultured Pearl and Diamond NecklaceConsisting of a double strand of pearls that measure from approx. 6.8 mm to 9.5 mm in diameter, decorated with 2 geometric plaques set with round, brilliant-cut and straight baguette-cut diamonds, the ribbon and bow shaped clasp decorated with small round diamonds centering a pearl, having a total weight of approx. 6 cts. for all the diamonds, mounted in platinum.

Grading System: AA

USD 7,000 - 10,000

LOT 462

Important Jewelry & Rare and Exotic G... New York, Grand Havana Room, Apr 25, 2001
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Art Deco Diamond Plaque BroochOpen design, having a geometric shape set with mixed-cut diamonds, the center set with an old European-cut diamond weighing approx. 0.40 ct., mounted in platinum.

Grading System: AA

USD 4,000 - 5,000

LOT 463

Important Jewelry & Rare and Exotic G... New York, Grand Havana Room, Apr 25, 2001
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Diamond RingCentering a round, brilliant-cut diamond that weighs 4.03 cts., flanked by 2 tapered baguette-cut diamonds that have a total weight of approx. 0.90 ct., mounted in platinum.Accompanied by GIA (Gemological Institute of America) report # 11360846 stating that the center diamond is F color, VS 2 clarity.

Grading System: AA

USD 50,000 - 55,000

LOT 464

Important Jewelry & Rare and Exotic G... New York, Grand Havana Room, Apr 25, 2001
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Unusual Cat's Eye EmeraldUnmounted, round, cabochon-cut emerald weighing 4.99 cts., exhibiting a strong chatoyancy.

Grading System: AA

USD 4,500 - 5,000

LOT 465

Important Jewelry & Rare and Exotic G... New York, Grand Havana Room, Apr 25, 2001
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Diamond Rivière NecklaceConsisting of 99 round, brilliant-cut diamonds that slightly taper in size from approx. 0.45 ct. at the center to approx. 0.07 ct. at the ends, having a total weight of approx. 13 cts., the box holding the center diamond decorated with a small hinged loop for attaching a pendant, mounted in 18K white gold, measuring approx. 16 inches (40.6 cm).

Grading System: AA

USD 10,000 - 12,000

LOT 466

Important Jewelry & Rare and Exotic G... New York, Grand Havana Room, Apr 25, 2001
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Unusual Diamond and Emerald Palm Tree BroochDesigned as 2 palm trees, the leaves decorated with modified buff-topped emeralds and round, brilliant-cut diamonds, the tree trunks designed from straight baguette-cut diamonds, with round, brilliant-cut and straight baguette-cut diamonds decorating the base, mounted in platinum.With hallmarkAccompanied by fitted leather box

Grading System: AA

USD 6,000 - 8,000

LOT 467

Important Jewelry & Rare and Exotic G... New York, Grand Havana Room, Apr 25, 2001
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Art Deco Diamond and Emerald Clip BroochHaving a stylized shield shape centering a marquise, brilliant-cut diamond weighing approx. 1.45 cts., decorated with round diamonds on the ends and sides, the borders with scroll designs, accented with 2 rows of small French baguette-cut emeralds, mounted in platinum with an 18K white gold clip.

Grading System: AA

USD 10,000 - 12,000

LOT 468

Important Jewelry & Rare and Exotic G... New York, Grand Havana Room, Apr 25, 2001
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Diamond Ring, circa 1930Domed, centering three round diamonds having a total weight of approx. 1.35 cts., surrounded by 18 smaller diamonds having a total weight of approx. 1 ct., mounted in platinum.

Grading System: AA

USD 3,000 - 3,500

LOT 469

Important Jewelry & Rare and Exotic G... New York, Grand Havana Room, Apr 25, 2001
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Diamond Tennis BraceletFlexible line bracelet set with 60 round, brilliant-cut diamonds having a total weight of approx. 3 cts., mounted in 18K white gold, measuring approx. 7 inches (17.7 cm).

Grading System: A

USD 1,800 - 2,200

LOT 470

Important Jewelry & Rare and Exotic G... New York, Grand Havana Room, Apr 25, 2001
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Cultured Pearl and Diamond Necklace and BraceletDouble strand necklace composed of 162 cultured pearls measuring from approx. 8 mm to 9 mm, having a bow designed, 14K white gold clasp set with round, brilliant-cut diamonds having a total weight of approx. 0.70 ct., measuring approx. 30 inches (76.2 cm); the bracelet, designed from 4 rows of 6 mm to 6.5 mm in diameter cultured pearls accented with diamond-set space bars and having a bow designed, 14K white gold clasp that is set with round, single- and brilliant-cut diamonds having a total weiht of approx. 1.75 cts., measuring approx. 7 1/4 inches (18 cm).

Grading System: AA

USD 4,500 - 6,500

LOT 471

Important Jewelry & Rare and Exotic G... New York, Grand Havana Room, Apr 25, 2001
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Cultured Pearl and Diamond EarringsEach suspending a button pearl approx. 11.8 mm in diameter, surrounded by small, round, brilliant-cut diamonds, free-hanging from a diamond-set ear pad by 2 lengths of diamond-set chain, having a total weight of approx. 1.30 cts. for all the diamonds in both earrings, mounted in platinum with 18K yellow gold backs.

Grading System: AA

USD 2,400 - 2,800

LOT 472

Important Jewelry & Rare and Exotic G... New York, Grand Havana Room, Apr 25, 2001
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Antique Diamond and Natural Pearl Bar Brooch, circa 1900Decorated with 10 old mine-cut diamonds weighing approx.1.80 cts. total, and 5 natural pearls that average approx. 4.1 mm to 4.5 mm, mounted in 18K gold and platinum.

Grading System: AA

USD 3,000 - 3,400

LOT 473

Important Jewelry & Rare and Exotic G... New York, Grand Havana Room, Apr 25, 2001
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Unusual French Art Deco Diamond and Ruby Clips, circa 1935Decorated as cascading ribbons of round, brilliant- and baguette-cut diamonds having a total weight of approx. 14.50 cts., the rows of baguettes each terminating in a round, faceted ruby, the 7 rubies having a total weight of approx. 4.50 cts., mounted in platinum; the brooch separates to form 2 clips.With French hallmarks

Grading System: AAA

USD 16,000 - 20,000

LOT 474

Important Jewelry & Rare and Exotic G... New York, Grand Havana Room, Apr 25, 2001
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Important French Ruby and Diamond Necklace / Brooch, circa 1935Designed as an elegant swag outlined with round and oval, faceted rubies (one of the smallest rubies is synthetic) having a total weight of approx. 35 cts., the borders and back of the necklace set with baguette- and round, brilliant-cut diamonds having a total approx. weight of 17 cts.; the central drop detaches and can be worn separately as a brooch, mounted in 18K white gold and platinum, measuring approx. 15 1/2 inches (39.40 cm).With French hallmarks and maker's mark

Grading System: AAA

USD 70,000 - 80,000

LOT 475

Important Jewelry & Rare and Exotic G... New York, Grand Havana Room, Apr 25, 2001
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Diamond RingCentering a cushion-shaped, brilliant-cut diamond weighing 5.02 cts., accented with 2 bullet-cut diamonds that have a total weight of approx. 0.35 ct., the sides of the ring decorated with engraving, mounted in platinum.Accompanied by GIA (Gemological Institute of America) report # 11185114 stating that the center diamond is G color, SI 1 clarity.

Grading System: AA

USD 55,000 - 60,000

LOT 476

Important Jewelry & Rare and Exotic G... New York, Grand Havana Room, Apr 25, 2001
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Attractive Diamond RingCentering a cushion-shaped, brilliant-cut diamond weighing 6.29 cts., the shoulders having an open V design accented with small round, brilliant-cut diamonds that have a total weight of approx. 0.30 ct., mounted in platinum.Accompanied by GIA (Gemological Institute of America) report #10850466 stating that the center diamond is G color, VS 2 clarity.

Grading System: AA

USD 75,000 - 80,000

LOT 477

Important Jewelry & Rare and Exotic G... New York, Grand Havana Room, Apr 25, 2001
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CartierElegant Traveling Vanity Set, circa 1915Consisting of hair-, clothes- and shoe brushes, two perfume bottles and stoppers, one powder jar with puff, two smaller jars, a nail buffer, shoe horn, two scissors, nail file, hair comb, mirror, small tray, and a shoe lacer; engraved with Anna E, all in 14K yellow gold.SignedIn original fitted leather travelling case

Grading System: AAA

USD 14,000 - 18,000

LOT 478

Important Jewelry & Rare and Exotic G... New York, Grand Havana Room, Apr 25, 2001
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Mauboussin, ReflectionsRetro Emerald, Ruby and Diamond Clip Brooch, circa 1945Having a stylized ribbon and bow design, centrally decorated with 13 cabochon-cut emeralds that have a total weight of approx. 35 cts., accented by round, faceted rubies (one ruby has a very small nick) having a total weight of approx. 1.75 cts., with 12 round, briliant-cut diamonds having a total weight of approx. 0.75 ct. at the tips of the bow, mounted in 18K yellow gold.Signed and numbered

Grading System: AA

USD 10,000 - 12,000

LOT 479

Important Jewelry & Rare and Exotic G... New York, Grand Havana Room, Apr 25, 2001
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Retro Diamond and Ruby Clip Brooch, circa 1945Depicting a flower, centering an old European-cut diamond that weighs approx. 0.70 ct., surrounded by 8 small old mine-cut diamonds and 8 small, round, faceted rubies, with the exterior petals decorated with round diamonds, mounted in 14K pink gold and platinum.

Grading System: AA

USD 3,000 - 4,000

LOT 480

Important Jewelry & Rare and Exotic G... New York, Grand Havana Room, Apr 25, 2001
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Retro Diamond Ring, circa 1940Centering a line of 5 round, brilliant-cut diamonds having a total weight of approx. 0.60 ct., in a wide, scrolled, 14K yellow gold mounting.

Grading System: AA

USD 2,300 - 2,600