JEWELRY. 4+cttw Diamond and Platinum Brooch.

Platinum scroll form brooch or pendant displaying an array of Old European cut and single cut diamonds suspending a single semi-baroque pearl. Center/largest prong set Old European cut diamond measure

JEWELRY: Platinum diamond brooch by Frank Walter Lawrence, tested platinum mounting with 14K yellow gold pin stem, rectangular hand pierced design, center set with one marquise cut diamond, approximat

Beautiful French openwork platinum brooch set with 4 white pearls with pink overtones, and diamond accents throughout - in both Old European and rose cuts. Stamped with the French domestic platinum ma

Platinum floral spray brooch comprised of (11) marquise cut diamonds, (1) pear-shaped diamond, (14) round cut diamonds, and (54) diamond baguettes (straight and tapered). Apparently unmarked. Total ap

Vintage circular platinum openwork brooch with central Old European cut diamond measuring approx. 4.0mm surrounded by single cut, round brilliant cut, and Old European cut diamonds. Total approx. weig

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

Cultured Pearl, Diamond, Platinum-Topped, 14k Yellow Gold Jewelry Suite. Including one freshwater pearl, diamond, platinum-topped circle brooch measuring approximately 27 mm together with a cultured p

Art Deco platinum brooch displaying a central trio of (3) milgrain bezel set Old European cut diamonds measuring approx. 6.0mm, 4.5mm and 4.6mm. Diamonds are set within a platinum filigree frame displ

Includes a 14kt white gold and amethyst briolette pendant with diamond accents and trefoil of diamonds to bail, on a 14kt white gold chain; and a platinum brooch with central oval cut amethyst with a

JEWELRY: Art Deco Diamond & Sapphire Circle Brooch, tested platinum Art Deco open circle brooch with milgrain, diamonds, and natural sapphires. Containing 28 bead- set transitional cut diamonds with a

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.

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

VK ITOO DAVID WEBB 18 karat Yellow Gold Platinum Diamond Emerald Brooch A gorgeous vintage David Webb 18 karat gold brooch, featuring emerald and diamond. Designed as a swirled branch, this vintage Da

Fine suite of platinum, diamond, and sapphire jewelry, to include brooch and earrings. Brooch: center old European cut diamond 1.0 CT, L color, SI2 perfection, (25) diamonds, approximately 1.25 ctw, (

A GROUP OF GOLD, PLATINUM AND DIAMOND JEWELRY Comprising an engraved bi-color pendant depicting Siegfried and Roy's coat of arms, a single-cut diamond set 'Sarmoti' brooch, a ring mount engraved '6-11

Platinum and Diamond Jewelry (2) items including a round cut diamond in a domed style setting flanked by (3) round diamonds on each side, marked 'PLAT' inside band; and a brooch having a center cluste

Platinum double clip/brooch inlaid throughout with bands of single cut diamonds, (6) straight diamond baguettes, and (1) square cut diamond. Clip backings, and optional brooch backing are 14kt white g

Pendant. Large 18kt yellow gold handhammered pendant or brooch suspending an oval form platinum pendant with a central prong-set oval faceted colored gem, most surely a ruby, with a surround of surrou

or Brooch. Platinum floral spray pendant brooch inlaid throughout with round brilliant cut diamonds and tapered baguettes. Includes (3) round brilliant cut diamonds measuring approx. 3.0mm each, (18)

Wreath Brooch. With high quality diamonds weighing approx. 2 cttw. Total approx. weight is 4.3 dwt. From a Rockland County, NY location. Dimensions: 1.25" diameter.

JEWELRY: Edwardian Pearl & Diamond Circle Brooch, tested 18K yellow gold and platinum Edwardian circle brooch with diamond bow. Consisting of 22 pearls set into the circle portion of the brooch, measu

Including two platinum and diamond brooches and one rose-cut and gold ring, total diamond weight approximately 1.60 cts., 16.7 gms gross, 3 pcs, est: $500/700

VINTAGE TIFFANY & CO. 3ct PLATINUM BROOCH PIN Brooch measures 1.85" H x 1.75" W Vintage Tiffany & Co. Platinum 3ct Diamond bow brooch with filigree design Center diamond apx 0.50ct Emerald cut Super c

Brooch. Platinum-topped 18kt yellow gold scroll form brooch displaying a central Old European cut diamond surrounded by Old European cut diamond accents. Largest OEC diamond measures approx. 5.8mm. St