A DIAMOND SPRAY BROOCH, CIRCA 1950 in platinum,

A VINTAGE AQUAMARINE AND DIAMOND BOW BROOCH, CIRCA 1950 in platinum and 18ct white gold, set with two tapered fancy cut aquamarines, accented by rose cut, single cut and round brilliant cut diamonds,

Diamond, Platinum Brooch, circa 1950 Stones: Marquise-shaped diamonds weighing a total of approximately 10.50 carats; round brilliant and full-cut diamonds weighing a tot

Burma Sapphire, Diamond, Platinum, White Gold Convertible Brooch, circa 1950 Stones: Sapphire cabochons; calibré-cut sapphires; transitional, singl

A DIAMOND BROOCH, CIRCA 1960 The stylised spray of scroll and foliate design, set throughout with brilliant, single and baguette-cut diamonds, mounted in platinum, diamonds approximately 3.00cts total

A RUBY AND DIAMOND BROOCH, CIRCA 1950 Modelled as a stylised ballerina, with a European-cut diamond face, her headpiece set with circular-cut rubies and single-cut diamond accents, skirt and fan detai

AN EMERALD AND DIAMOND BROOCH, CIRCA 1950 Modelled as a stylised flower, the pistil set with an emerald cabochon, the petal, leaves and stem embellished with single-cut diamonds, mounted in 18K gold,

A DIAMOND BROOCH, CIRCA 1950 The stylised snowflake set with a central brilliant-cut diamond cluster and single-cut diamond accents, mounted in 18K gold, French assay marks, length 4.8cm

Vintage 18K Yellow & White Gold Diamond Wreath Brooch, Circa 1950. Thirty-six (36) single-cut round diamonds weighing approximately 0.50cts. Graded VS clarity, G/H color. The diamonds are bead-set in

AN ART DECO SAPPHIRE AND DIAMOND BROOCH, CIRCA 1920 in platinum, set with a cluster of round cut diamonds, within a border of calibre cut sapphires, the diamonds all totalling 1.4-1.6 carats, stamped

AN ANTIQUE DIAMOND BROOCH, CIRCA 1910 in platinum, the rectangular face set formed of wirework designs, set with old cut and rose cut diamonds, unmarked, 2.8cm, 6.3g.

18k diamond and turquoise brooch, circa 1950,14.3 dwts. 1.5" dia.

DIAMOND AND TURQUOISE BROOCH, CIRCA 1950 yellow gold bar suspending a bird set in turquoise with diamond flower of approx. ct 0,30. Gr 11,50

Austrian 14K Yellow Gold, Carved Amethyst, Carved Jade And Diamond Violet Flower Brooch, Circa 1950. The Brooch Has The Carved Amethyst Violet Flowers, Each Set With An Approx. 0.02 Carat Diamond In T

containing 14 pear and full cut diamonds [H-K/SI1-SI2] weighing approximately 4.34 carats total; six full cut diamonds [I/SI1-SI2] weighing approximately 0.84 carats total; 30 full cut diamonds [I/SI1

Diamond, Platinum Spray Brooch. Designed as a spray featuring eight marquise-cut, forty-eight baguette-cut and seventy-four full-cut diamonds weighing approximately 5.00 cttw. set in platinum. {Gross

AN ART DECO DIAMOND BAR BROOCH, CIRCA 1940 in platinum, set with a row of graduated old cut diamonds accented by rose cut diamonds, all totalling 0.8-0.9 carats, with engraved foliate decoration to th

Pair of circa 1950 platinum, diamond and cabochon ruby earrings, 2 1/4" H x 3/4" W, approximately 32 grams TW. Provenance: West Palm Beach, Florida estate.

LAPIS LAZULI AND DIAMOND BAR BROOCH, 1930 CIRCA in platinum with bar centered with an Old European-cut diamond of approx. ct 0,50 surrounded by lapis lazuli and diamonds of approx. ct 1,30. French ass

Diamond, gold and silver bracelet, made from a diamond brooch.Circa 1925 to 1950. The shield shape having a silver top and a 14k bottom, with 60 round .05ct VS1 G color modern brilliant diamonds, for

An Art Deco diamond and platinum brooch circa 1930 designed as a dimensional ribbon bow set with single and old mine-cut diamonds, suspending articulated step-cut diamond fringe, terminating in old mi

A diamond and platinum spray brooch designed as a tapered baguette-cut diamond ribbon, set with brilliant-cut, marquise, and pear-cut diamonds; estimated total diamond weight 10.50 carats. (Weight: 11

A PLATINUM AND DIAMOND SPRAY BROOCH Set throughout with pear-shaped and round diamonds, weighing approximately 5.25 carats, measures 2 x 1 1/4 in.

Tested platinum and diamond spray brooch: 22 grams 3 1/2" long; approx. 3.0 TCW (missing 2 diamonds)

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