DIAMOND AND PLATINUM BROOCH Approx. 6.2 dwt.

18KT YELLOW GOLD, DIAMOND AND ENAMELED BROOCH/STATUE Approx. 65.62 total dwt. (No Reserve*) Enameled figure holding an umbrella and balancing on a ball atop a plinth. Set with three single-cut diamond

PLATINUM AND DIAMOND CLIP BROOCH Approx. 13.45 total dwt. (No Reserve*) Form suggesting a trumpeting angel. Set with ten brilliant-cut diamonds and 91 single-cut diamonds, approx. 4.00 carats total we

PLATINUM AND DIAMOND FOLD-OVER CLIP BROOCH (NO RESERVE*) Approx. 9.71 total dwt. (* To be sold with no reserve above starting bid). Set with 20 baguette diamonds, eight marquise diamonds, approx. 0.64

14KT YELLOW GOLD, PLATINUM AND DIAMOND ART DECO-DESIGN BROOCHNine round-cut diamonds approx. 0.55 ctw. Approx. 50.0 x 11.0mm.Approx. 3.75 total dwt.

Vintage Platinum & diamond brooch, c. 1950, set with a cluster of pear-shaped and marquise-cut diamonds, H-J color, VS-SI clarity, est. 10.0 carats, 2.5"l, approx. 18 dwt., illegibly stamped 869(?) Pr

Platinum Diamond Circle with Bow Brooch. Approx 3.5 tcw. 1" 4.7 DWT- 7.4 G

Vintage Platinum Diamond & Pearl Brooch. Measures approx. - 2 1/4" long. Weight - 2.3 dwt.

Platinum & diamond flower brooch, 20th c., set with marquise, circular and baguette cut diamonds, est 5.0 carats, G-H color, approx. 8.38 dwt. (total), unmarked Provenance: A Private Collection: 1111

Deco style platinum and diamond oval brooch, pierced platinum hoop set with (4) 3mm diamonds, (24) 1mm diamonds and diamond chip surround, approx. .62 ctw, unmarked, testing platinum, 1-3/4"L, 1-1/4"W

FRENCH DIAMOND, PLATINUM AND 18KT YELLOW GOLD PENDANT/BROOCHKnotted ribbon design with 41 round brilliant-cut diamonds, approx. 1.80 to 2.70mm, set in platinum. Approx. 1.95 carats total weight. Doubl

Platinum brooch displaying (3) panel of (30) round brilliant cut diamonds and (58) single cut diamonds. Apparently unmarked. Brooch weighs approx. 9.9 dwt (gross). From a Briarcliff, NY estate. Dimens

The knife-edge circle with transitional-cut diamonds, approx. 3.40 cts. TW. 1 1/4". 4.3 dwt.

Platinum and Diamond Broochin the form of a heart and arrow set throughout with full- and baguette-cut diamonds; diamonds weighing approx. 1.65 tcw.; 6.62 dwts.; 1 1/4 x 1 3/8 in.; accompanied by a Ma

Platinum diamond inlaid circular brooch with applied diamond inlaid bow. Apparently unmarked. Total approx. weight is 5.4 dwt (gross). From a Greenwich, CT estate. Dimensions: brooch measures approx.

14K Yellow Gold Diamond Brooch (convertible to pendant), full cut diamonds total approx. 0.62 cts., SI clarity, near colorless, 4.9 dwt, dia 29 MM

Designed as dimensional knotted ribbon of OMC diamonds, approx. 9.45 cts TW. Early 20th c. Stamped Schumann & Sons. 2 1/2" x 2". 19.6 dwt.

PLATINUM, GOLD, DIAMOND AND SAPPHIRE BROOCH Melee centering three bezel-set diamonds, the largest approx. 3.2mm x 3.0mm. Length 2.25”. Approx. 6.46 total dwt.

Designed as two marquise and RBC diamond birds perched on a scrolling open form RBC diamond set heart, approx. 1.60 cts. TW. 1 3/8" x 1". 4.0 dwt. Provenance: The Gary and Helen Kalpakjian Collection.

A Platinum and Diamond Brooch, Set with three diamonds, each approx. 10pt. Also having two diamonds, each approx. 5pt. Total weight: 3.9 dwt.

18kt Gold Brooches. Total approx. weight of two brooches is 8.1 dwt. From an extensive Brooklyn, NY collection. Dimensions: 1.625" x .375" and 1.25" diameter.

14KT YELLOW GOLD PANSY BROOCH/PENDANTSet with one approx. 0.25 ct. old mine-cut diamond. Overall 36.0 x 39.0mm. Marked with a patent date of Nov. ‘79.Approx. 7.62 total dwt.

Platinum spray form brooch inlaid throughout with single cut diamonds. Total approx. weight is 9.8 dwt (gross). From a Garden City, NY estate. Dimensions: brooch measures approx. 3.45" w x 1.20&q

Antique platinum bar pin displaying (12) Old Mine cut diamonds. Diamonds average approx. 3.5mm x 2.5mm. With a 14kt yellow gold brooch backing. Total approx. weight of the brooch is 3.7 dwt (gross). F

1950's brooch made of platinum and set with approx 2.50ctw of diamonds with I-J color and SI clarity. In overall very good condition. Measurements: 49mm x 35mm, 9.40 dwt w17347x