Platinum Diamond Brooch, oval shape measuring

Platinum Diamond Brooch, oval shape measuring approximately 2 x 1 ¼ inches; pave set with 158 round full and single cut diamonds, approximate total carat weight is 5.75 by formula;the diamonds averag

A White Gold, Opal and Diamond Pendant/Brooch, containing one oval shape cabochon cut opal measuring approximately 25.20 x 16.70 mm and 29 round brilliant cut diamonds weighing approximately 2.85 cara

Antique handmade, ribbon form brooch set with Old Mine cut and Old European cut round brilliant diamonds. Bezel set in the center is one elongated pear shape diamond, measuring .66ct. Clarity SI1, Col

A platinum-topped gold and diamond pear-shaped brooch centering an oval sapphire drop measuring 14.2 x 9.9 x 8.36 mm weighing approximately 9.40 cts., accompanied by AGL report dated March 14, 2016 st

* A Platinum, 14 Karat Yellow Gold, Amethyst and Diamond Ring, containing one oval shape cabochon cut amethyst measuring approximately 14.90 x 11.20 mm, 20 pear shape diamonds weighing approximately 1

A jadeite, diamond and platinum broochdesigned as an oval cabochon jadeite, measuring approximately 14.40 x 10.90 x 7.35 mm, within fluted mounting set with scrolling round brilliant-cut diamond pav&#

A PAIR OF PLATINUM, AMETHYST, AND DIAMOND EARCLIPS Each set with an oval-cut amethyst measuring approximately 9.00 x 7.10 x 4.00 mm, suspending a pear-shape amethyst measuring approximately 25.00 x 9.

A Platinum, Emerald, and Diamond Necklace An Art Deco-inspired platinum necklace, featuring one oval cabochon emerald measuring approximately 12.17mm x 9.11mm and two rows of twenty- eight pear-shape

18kt White Gold, Platinum Top, Diamond Brooch Measuring (1.25") in diameter containing European cut diamonds in a floral design (H-SI2) approx. 2.46ct tdw, electronically tested, unsigned piece (9.6 g

A late 19th century gold, garnet and diamond brooch. The oval-shape cabochon garnet with inlaid flower or star design, set with a central diamond and accent diamonds to the points, with a zigzag patte

A sapphire and diamond brooch. The graduated oval-shape sapphire crescent, with single-cut diamond spacers. Estimated total diamond weight 0.40ct. Length 6.1cms. Weight 7.5gms. Overall condition good.

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

Platinum diamond cascade brooch. The crescent shape pin is fashioned with a raised cluster of full cut diamonds in 4 pronged mountings. The cluster is surrounded by leaf shaped mountings set with pair

RUBY AND DIAMOND PENDANT/BROOCH Containing one oval shape mixed cut ruby, two pear shape mixed cut rubies and numerous old mine and single cut diamonds. Mounted in bicolor gold. 2 1/8 x 1 1/8 inches.

A late Victorian 9ct gold and diamond memorial brooch. The central oval-shape panel set with a circular diamond to the scalloped beaded surround and glazed woven hair panel to the reverse. Length 4.45

TIFFANY & CO., SCHLUMBERGER, RUBY AND DIAMOND BROOCH Containing one oval cabochon ruby measuring approximately 8.00 x 6.00 mm and numerous round brilliant and marquise cut diamonds weighing approximat

Antique Natural Oval Emerald, Gold, Diamond and Platinum Brooch. Oval cut emerald approximately 11.3 x 14.3 x 5.9 mm, apprx 5.7 carats. The emerald has natural inclusions and has characteristics of a

CORAL, EMERALD AND DIAMOND BROOCH Containing one oval coral cabochon measuring approximately 18.20 x 12.80 mm, six pear coral cabochons, 20 round emerald cabochons and 30 round brilliant cut diamonds

Platinum and Diamond Brooch 10 round, 42 oval and 28 baguette diamonds ap. 7.15 cts., ap. 12 dwts. •

Retro Gold, Platinum, Moonstone, Diamond and Ruby Brooch 12 oval moonstones, 8 round rubies, 4 round and 3 single-cut diamonds, c. 1940, ap. 21.5 dwts. C

Estate Lot of Platinum Jade & Diamond Art Deco Brooch & Ring. Oval Jadeite Flowered Brooch surrounded by platinum art deco motif with diamonds. The brooch measures W 2" x H 1". Art Deco Platinum Jade

A sapphire and diamond cluster ring. The oval-shape sapphire, measuring 7.7 by 5.9 by 2.9mms, with rectangular-shape diamond sides and a brilliant-cut diamond border, to the tapered band. Estimated to

18K Yellow Gold Ruby and Diamond Pendant Featuring an oval shape ruby, measuring 16.80 x 13.10 mm Weighing 14.73 carats Indications of heat treatment and glass additives Embellished by a surround of r

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