Plaque brooch with old cut diamonds in platinum with

A VINTAGE DIAMOND PLAQUE BROOCH, 1930s, in 18ct yellow gold and platinum, the openwork brooch set throughout with old cut diamonds, the diamonds totalling 3.0-3.5 carats, stamped 18ct and PL, 4.6cm, 7

containing two old European cut diamonds [H-I/I] weighing approximately 0.55 carats total; 120 old European cut diamonds [I-J/SI] weighing approximately 5.90 carats total; and 18 baguette cut diamonds

Platinum and Diamond Brooch The openwork plaque of scrolled pierced ribbons centering one old European-cut diamond ap. .85 ct., flanked by 6 baguette diamonds and clusters of 18 collet-set old-mine an

Black, Starr & Frost Art Deco diamond brooch Set with old European-cut diamonds Platinum Signed B.S & F 2 x 0.125 in; Gross weight 5.9 dwts

An Art Decó old-cut diamond brooch, platinum, unmarked, tested, with 51 old-cut diamonds and 16 diamond roses, weighing 5.58 ct fine white-slightly tinted white+ (G-I) /VVS-SI, l. 44 mm, 9.99 g, with

Diamond and platinum-topped gold crescent brooch Set with graduated old mine-cut diamonds Platinum-topped yellow gold 1.25 x 1.125 in; Gross weight 2.6 dwts This work will ship from Lambertville, New

Two 18K gold and diamond brooches One is designed as a circular foliate brooch set with old European-cut diamonds mounted in platinum topped eighteen karat gold; the other is designed as a bow set wit

Clover-shaped brooch with old cut diamonds and three cabochón sapphires. In platinum setting.

A mid 20th century platinum old-cut diamond brooch, with baguette-cut diamond accents. Estimated total diamond weight 4cts.French re-strike marks. Length 3.2cms. 11.7gms.

incisa e sbalzata, con tre diamanti centrali taglio vecchio e diamanti taglio rosa, cts. 4.00 totali circa. Cm. 9. Gr. 8 An early 20th Century platinum brooch with old cut diamonds and rose cut diamon

AN ANTIQUE DIAMOND PLAQUE BROOCH in rectangular design, set to the centre with an old cut diamond of 0.35 carats, the openwork body set with further old cut diamonds, the diamonds all totalling 2.8-3.

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, (

Platinum, Gold, Demantoid Garnet and Diamond 'Prince of Wales' Pendant-Brooch 56 old European-cut diamonds ap. 1.00 ct., round demantoid garnets, c. 1905, ap. 9 dwts. C

Antique Gold, Platinum, Emerald, Demantoid Garnet and Diamond Lizard Brooch 63 old-mine cut diamonds ap. 1.55 cts., 13 cushion-shaped and round demantoid garnets, 2 cushion-shaped ruby eyes, c. 1910,

Platinum, Diamond and Sapphire Brooch One old European-cut diamond ap. .80 ct., single and rose-cut diamonds, square-cut sapphires, c. 1915, one sapphire missing, ap. 10.3 dwts. C Collection of an Eas

Rose Gold, Platinum, Diamond and Ruby Pendant-Brooch One old European-cut diamond ap. 1.05 cts., 16 old European and old mine-cut diamonds ap. 1.65 cts., 18 small old-mine cut diamonds, 9 round rubies

Platinum and Diamond Filigree Pendant-Brooch One old-mine cut diamond ap. .70 ct., 98 old-mine and old-mine single-cut diamonds ap. 3.45 cts., c. 1915, ap. 9.7 dwts. C Property of a New York Estate

Raymond Yard Gold, Platinum, Diamond and Ruby Spray Clip-Brooch 11 old European-cut diamonds ap. .95 ct., 34 baguette and modified baguette diamonds ap. 1.30 cts., 14 square and fancy-shaped rubies ap

Platinum and Diamond Brooch 9 old European-cut diamonds ap. 1.60 cts., 62 old-mine and old European-cut diamonds ap. 1.05 cts., ap. 6.5 dwts. C Property of a New York Estate

Platinum and Diamond Brooch One old European-cut diamond ap. .50 ct., old European and single-cut diamonds ap. 2.00 cts., ap. 5.8 dwts. With box. C

Antique Approx. 3.5 Carat Old European Cut Diamond and Platinum Bow Brooch. E-F color, VS1 - VS2 Clarity. Probably French. Unsigned. Measures 2-1/2" x 1-1/2". Approx. weight: 16.0 grams. Condition: Go

COLLECTION OF ANTIQUE BROOCHES Consisting of a portrait and seed pearl pendant/brooch, a platinum-topped, old mine cut diamond and seed pearl crescent brooch and a platinum-topped, old mine cut diamon

Edwardian Diamond, Sapphire, Platinum Pendant Enhancer Brooch. Centering one old European-cut diamond weighing approximately 1.20 ct., flanked by two old European-cut diamonds weighing approximately 0

Old European cut diamonds set in platinum filigree with gold pin back. Approximately 1.5 carat center stone with .75 carat side stones as well as many small diamonds throughout. Dimensions: L 2.75" x